PRODUCT |
SAMPLE & |
TECHNICAL |
TOOLS & |
SUPPORT & |
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REFERENCE |
FOLDER |
BUY |
DOCUMENTS |
SOFTWARE |
COMMUNITY |
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DESIGN |
INA193, INA194, INA195
INA196, INA197, INA198
SBOS307G –MAY 2004 –REVISED JANUARY 2015
INA19x Current Shunt Monitor −16 V to +80 V Common-Mode Range
•Wide Common-Mode Voltage: −16 V to +80 V
•Low Error: 3.0% Over Temp (maximum)
•Bandwidth: Up to 500 kHz
•Three Transfer Functions Available: 20 V/V, 50 V/V, and 100 V/V
•Quiescent Current: 900 μA (maximum)
•Complete Current Sense Solution
•Welding Equipment
•Notebook Computers
•Cell Phones
•Telecom Equipment
•Automotive
•Power Management
•Battery Chargers
The INA193−INA198 family of current shunt monitors with voltage output can sense drops across shunts at common-mode voltages from −16 V to +80 V, independent of the INA19x supply voltage. They are available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V. The 500 kHz bandwidth simplifies use in current control loops. The INA193−INA195 devices provide identical functions but alternative pin configurations to the INA196−INA198 devices, respectively.
The INA193−INA198 devices operate from a single 2.7-V to 18-V supply, drawing a maximum of 900 μA of supply current. They are specified over the extended operating temperature range (−40°C to +125°C), and are offered in a space-saving SOT-23 package.
Device Information(1)
PART NUMBER |
PACKAGE |
BODY SIZE (NOM) |
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INA193 |
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INA194 |
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INA195 |
SOT-23 (5) |
2.90 mm × 1.60 mm |
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INA196 |
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INA197 |
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INA198 |
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(1)For all available packages, see the orderable addendum at the end of the datasheet.
Simplified Schematic |
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VIN+ |
R |
S |
IS |
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−16V to +80V |
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V+ |
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+2.7V to +18V |
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Negative |
VIN+ |
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VIN− |
Load |
and |
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Positive |
R1 |
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R1 |
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Common-Mode |
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Voltage |
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A1 |
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A2 |
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OUT |
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INA193-INA198 |
RL |
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
INA193, INA194, INA195
INA196, INA197, INA198
SBOS307G –MAY 2004 –REVISED JANUARY 2015 www.ti.com
1 |
Features .................................................................. |
1 |
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8.3 |
Feature Description................................................. |
12 |
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2 |
Applications ........................................................... |
1 |
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8.4 |
Device Functional Modes........................................ |
16 |
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3 |
Description ............................................................. |
1 |
9 |
Application and Implementation ........................ |
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4 |
Revision History..................................................... |
2 |
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9.1 |
Application Information............................................ |
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5 |
Device Comparison Table |
3 |
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9.2 |
Typical Application .................................................. |
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10 |
Power Supply Recommendations |
23 |
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6 |
Pin Configuration and Functions |
3 |
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11 |
Layout |
24 |
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7 |
Specifications |
4 |
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11.1 |
Layout Guidelines |
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7.1 |
Absolute Maximum Ratings |
4 |
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11.2 |
Layout Example |
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7.2 |
ESD Ratings |
4 |
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12 |
Device and Documentation Support |
25 |
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7.3 |
Recommended Operating Conditions....................... |
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7.4 |
Thermal Information |
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12.1 |
Related Links ........................................................ |
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12.2 |
Trademarks |
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7.5 |
Electrical Characteristics |
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12.3 |
Electrostatic Discharge Caution |
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7.6 |
Typical Characteristics |
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12.4 |
Glossary |
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8 |
Detailed Description |
11 |
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13 |
Mechanical, Packaging, and Orderable |
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8.1 |
Overview ................................................................. |
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8.2 |
Functional Block Diagram |
11 |
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Information ........................................................... |
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NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision F (February 2010) to Revision G |
Page |
•Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
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Mechanical, Packaging, and Orderable Information section ................................................................................................. |
4 |
Changes from Revision E (August 2006) to Revision F |
Page |
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• |
Updated document format to current standards..................................................................................................................... |
1 |
• |
Added test conditions to Output, Total Output Error parameter in Electrical Characteristics: VS = +12V.............................. |
5 |
2 |
Submit Documentation Feedback |
Copyright © 2004–2015, Texas Instruments Incorporated |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
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INA193, INA194, INA195 |
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INA196, INA197, INA198 |
www.ti.com |
|
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
5 Device Comparison Table |
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PART NUMBER |
GAIN |
PINOUT(1) |
INA193 |
20 V/V |
Pinout #1 |
INA194 |
50 V/V |
Pinout #1 |
INA195 |
100 V/V |
Pinout #1 |
INA196 |
20 V/V |
Pinout #2 |
INA197 |
50 V/V |
Pinout #2 |
INA198 |
100 V/V |
Pinout #2 |
(1) See Pin Configuration and Functions for Pinout #1 and Pinout #2.
DBV Package
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5-Pin SOT-23 |
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DBV Package |
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5-Pin SOT-23 |
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INA193, INA194, INA195 Top View |
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INA196, INA197, INA198 Top View |
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OUT |
1 |
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5 |
V+ |
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OUT |
1 |
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5 |
VIN− |
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GND |
2 |
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GND |
2 |
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VIN+ |
3 |
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4 |
VIN− |
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V+ |
3 |
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4 |
VIN+ |
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Pinout #1 |
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Pinout #2 |
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Pin Functions |
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PIN |
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INA193, |
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INA196, |
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NAME |
INA194, |
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INA197, |
TYPE |
DESCRIPTION |
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INA195 |
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INA198 |
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DBV |
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DBV |
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GND |
2 |
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2 |
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GND |
Ground |
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OUT |
1 |
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1 |
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O |
Output voltage |
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V+ |
5 |
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3 |
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Analog |
Power supply, 2.7 V to 18 V |
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VIN+ |
3 |
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4 |
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I |
Connect to supply side of shunt resistor |
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VIN– |
4 |
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5 |
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I |
Connect to load side of shunt resistor |
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Copyright © 2004–2015, Texas Instruments Incorporated |
Submit Documentation Feedback |
3 |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
|
|
www.ti.com |
|
7 |
Specifications |
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7.1 |
Absolute Maximum Ratings |
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over operating free-air temperature range (unless otherwise noted) (1) |
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MIN |
MAX |
UNIT |
Supply Voltage |
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18 |
V |
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Analog Inputs, VIN+, VIN− |
–18 |
18 |
V |
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Differential (VIN+) – (VIN−) |
–18 |
18 |
V |
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Common-Mode(2) |
–16 |
80 |
V |
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Analog Output, Out(2) |
GND – 0.3 |
(V+) + 0.3 |
V |
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Input Current Into Any Pin(2) |
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5 |
mA |
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Operating Temperature |
–55 |
150 |
°C |
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Junction Temperature |
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150 |
°C |
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Storage temperature, Tstg |
–65 |
150 |
°C |
(1)Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)Input voltage at any pin may exceed the voltage shown if the current at that pin is limited to 5mA.
7.2 |
ESD Ratings |
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VALUE |
UNIT |
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Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) |
±4000 |
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V(ESD) |
Electrostatic discharge |
Charged device model (CDM), per JEDEC specification JESD22-C101, |
±1000 |
V |
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all pins(2) |
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(1)JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
over operating free-air temperature range (unless otherwise noted)
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MIN |
NOM |
MAX |
UNIT |
VCM |
Common-mode input voltage |
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12 |
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V |
V+ |
Operating supply voltage |
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12 |
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V |
TA |
Operating free-air temperature |
-40 |
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125 |
ºC |
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INA19x |
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THERMAL METRIC(1) |
DBV |
UNIT |
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5 PINS |
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RθJA |
Junction-to-ambient thermal resistance |
221.7 |
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RθJC(top) |
Junction-to-case (top) thermal resistance |
144.7 |
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RθJB |
Junction-to-board thermal resistance |
49.7 |
°C/W |
ψJT |
Junction-to-top characterization parameter |
26.1 |
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ψJB |
Junction-to-board characterization parameter |
49.0 |
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(1)For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
4 |
Submit Documentation Feedback |
Copyright © 2004–2015, Texas Instruments Incorporated |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
www.ti.com |
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
All specifications at TA = 25°C, VS = 12 V, VIN+ = 12 V, and VSENSE = 100 mV, unless otherwise noted.
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PARAMETER |
TEST CONDITIONS |
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TA = 25°C |
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TA = −40°C to +125°C |
UNIT |
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MIN |
TYP |
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MAX |
MIN |
TYP |
MAX |
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INPUT |
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VSENSE |
Full-Scale Input Voltage |
VSENSE = VIN+ − VIN− |
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0.15 |
(VS – 0.2)/Gain |
–16 |
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VCM |
Common-Mode Input |
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80 |
–16 |
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Range |
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CMR |
Common-Mode Rejection |
VIN+ = −16 V to 80 V |
80 |
94 |
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dB |
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Common-Mode |
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Rejection, Over |
VIN+ = 12 V to 80 V |
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100 |
120 |
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dB |
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Temperature |
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VOS |
Offset Voltage, RTI |
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±0.5 |
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2 |
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mV |
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Offset Voltage, RTI Over |
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0.5 |
3 |
mV |
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Temperature |
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dVOS/dT |
Offset Voltage, RTI vs |
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2.5 |
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μV/°C |
Temperature |
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PSR |
Offset Voltage, RTI vs |
VS = 2.7 V to 18 V, VIN+ = 18 V |
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100 |
μV/V |
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Power Supply |
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IB |
Input Bias Current, VIN− |
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±8 |
±16 |
μA |
pin |
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OUTPUT (VSENSE ≥ 20mV) |
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INA193, INA196 |
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20 |
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V/V |
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G |
Gain |
INA194, INA197 |
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50 |
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V/V |
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INA195, INA198 |
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100 |
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V/V |
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Gain Error |
VSENSE = 20 mV to 100 mV, |
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±0.2% |
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±1% |
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TA = 25°C |
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Gain Error Over |
VSENSE = 20 mV to 100 mV |
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±2 |
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Temperature |
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Total Output Error(1) |
VSENSE = 100 mV |
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±0.75% |
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±2.2% |
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Total Output Error Over |
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±1% |
±3% |
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Temperature |
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Nonlinearity Error |
VSENSE = 20 mV to 100 mV |
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±0.002% |
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±0.1% |
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RO |
Output Impedance |
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1.5 |
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Ω |
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Maximum Capacitive |
No Sustained Oscillation |
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10 |
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nF |
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Load |
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−16 V ≤ VCM < 0 V, |
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300 |
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All |
VSENSE < 20 mV |
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Devices |
VS < VCM ≤ 80 V, |
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VSENSE < 20 mV |
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Output(2) |
INA193, |
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0.4 |
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V |
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INA196 |
0 V ≤ VCM ≤ VS, |
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INA194, |
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VS = 5 V, |
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1 |
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V |
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INA197 |
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VSENSE < 20 mV |
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INA195, |
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2 |
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V |
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INA198 |
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VOLTAGE OUTPUT(3) (RL = 100 kΩ to GND) |
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Swing to V+ Power- |
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(V+) – 0.1 |
(V+) – 0.2 |
V |
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Supply Rail |
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Swing to GND(4) |
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(VGND) + 3 |
(VGND) + 50 |
mV |
FREQUENCY RESPONSE |
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INA193, |
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500 |
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kHz |
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INA196 |
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BW |
Bandwidth |
INA194, |
CLOAD = 5 pF |
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300 |
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kHz |
INA197 |
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INA195, |
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200 |
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kHz |
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INA198 |
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(1)Total output error includes effects of gain error and VOS.
(2)For details on this region of operation, see the Accuracy Variations as a Result of VSENSE and Common-Mode Voltage section.
(3)See Typical Characteristic curve Output Swing vs Output Current, Figure 7.
(4)Specified by design.
Copyright © 2004–2015, Texas Instruments Incorporated |
Submit Documentation Feedback |
5 |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
www.ti.com |
Electrical Characteristics (continued)
All specifications at TA = 25°C, VS = 12 V, VIN+ = 12 V, and VSENSE = 100 mV, unless otherwise noted.
|
PARAMETER |
TEST CONDITIONS |
|
TA = 25°C |
|
TA = −40°C to +125°C |
|
UNIT |
|||
|
MIN |
TYP |
MAX |
MIN |
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MAX |
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Phase Margin |
CLOAD < 10 nF |
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SR |
Slew Rate |
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tS |
Settling Time (1%) |
VSENSE = 10 mV to 100 mVPP, |
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CLOAD = 5 pF |
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POWER SUPPLY |
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VS |
Operating Range |
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IQ |
Quiescent Current |
VOUT = 2 V |
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900 |
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Quiescent Current Over |
VSENSE = 0 mV |
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θJA |
Thermal Resistance, |
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SOT23 |
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6 |
Submit Documentation Feedback |
Copyright © 2004–2015, Texas Instruments Incorporated |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
www.ti.com |
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
All specifications at TA = 25°C, VS = 12 V, and VIN+ = 12 V, and VSENSE = 100 mV, unless otherwise noted.
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45 |
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CLOAD = 1000pF |
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40 |
G = 100 |
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35 |
G = 50 |
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Gain(dB) |
30 |
G = 20 |
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10 |
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5 |
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10k |
100k |
1M |
Frequency (Hz)
Figure 1. Gain vs Frequency
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(V) |
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50V/V |
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OUT |
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V |
8 |
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20V/V |
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20 |
500 |
600 |
700 |
800 |
900 |
VDIFFERENTIAL (mV)
Figure 3. Gain Plot
value) |
4.0 |
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3.5 |
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OutputErroroutputidealtheof |
3.0 |
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2.5 |
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2.0 |
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(%error |
1.5 |
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0.5 |
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1.0 |
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450 |
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0 |
250 |
300 |
500 |
VSENSE (mV)
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45 |
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40 |
G = 100 |
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35 |
G = 50 |
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Gain(dB) |
30 |
G = 20 |
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25 |
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20 |
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15 |
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10 |
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5 |
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10k |
100k |
1M |
Frequency (Hz)
Figure 2. Gain vs Frequency
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140 |
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Power-SupplyRejection(dB) |
130 |
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Common-Modeand |
120 |
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CMR |
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110 |
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100 |
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90 |
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PSR |
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50 |
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40 |
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10 |
100 |
1k |
10k |
100k |
Frequency (Hz)
Figure 4. Common-Mode and Power-Supply Rejection vs Frequency
|
0.1 |
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0.09 |
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0.08 |
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(%) |
0.07 |
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0.06 |
||
OutputError |
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0.05 |
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0.04 |
0.03
0.02
0.01
0
−16 −12 −8 −4 0 4 8 12 16 20 |
... |
76 80 |
Common-Mode Voltage (V)
Figure 5. Output Error vs VSENSE |
Figure 6. Output Error vs Common-Mode Voltage |
Copyright © 2004–2015, Texas Instruments Incorporated |
Submit Documentation Feedback |
7 |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
www.ti.com |
Typical Characteristics (continued)
All specifications at TA = 25°C, VS = 12 V, and VIN+ = 12 V, and VSENSE = 100 mV, unless otherwise noted. |
|
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||||||||||||||||||||||||
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12 |
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1000 |
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11 |
VS = 12V |
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900 |
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Sourcing Current |
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800 |
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(V) |
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+25°C |
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8 |
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700 |
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OutputVoltage |
7 |
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+125°C |
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−40°C |
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( A) |
600 |
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6 |
VS = 3V |
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500 |
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Q |
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Sourcing Current |
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I |
400 |
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+25°C |
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−40°C |
Output stage is designed |
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300 |
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to source current. Current |
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2 |
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sinking capability is |
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1 |
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approximately 400µA. |
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100 |
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+125°C |
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1 |
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10 |
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Output Current (mA) |
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Output Voltage (V) |
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Figure 7. Positive Output Voltage Swing vs Output Current |
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Figure 8. Quiescent Current vs Output Voltage |
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15 |
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12.5 |
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IN- |
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12.5 |
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(PA) |
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IN+ |
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(PA) |
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Current |
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Current |
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5 |
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2.5 |
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2.5 |
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Bias |
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Bias |
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-2.5 |
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-2.5 |
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Input |
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Input |
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-5 |
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-7.5 |
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-10 |
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-10 |
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IN+ |
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IN- |
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-12.5 |
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-12.5 |
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-20 |
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0 |
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Common-Mode Voltage (V) |
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D001 |
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Common-Mode Voltage (V) |
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D102 |
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Figure 9. Input Bias Current vs Common Mode Voltage |
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Figure 10. Input Bias Current vs Common Mode Voltage |
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Vs=5 V |
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Vs=12 V |
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875 |
VSENSE = 100mV: |
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34 |
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−40°C |
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VS = 12V |
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VS = 2.7V |
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30 |
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775 |
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+25°C |
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675 |
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CircuitCurrent- |
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+125°C |
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575 |
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22 |
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Q |
475 |
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18 |
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I |
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VS = 12V |
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OutputShort |
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375 |
VSENSE = 0mV: |
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14 |
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VS = 2.7V |
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10 |
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175 |
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6 |
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−16 −12 |
−8 |
−4 |
0 |
4 |
8 |
12 16 |
20 |
... |
76 |
80 |
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2.5 |
3.5 |
4.5 |
5.5 |
6.5 |
7.5 |
8.5 |
9.5 |
10.5 11.5 |
17 |
18 |
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VCM (V) |
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Supply Voltage (V) |
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Figure 11. Quiescent Current vs Common-Mode Voltage |
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Figure 12. Output Short-Circuit Current vs Supply Voltage |
8 |
Submit Documentation Feedback |
Copyright © 2004–2015, Texas Instruments Incorporated |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
www.ti.com |
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
Typical Characteristics (continued)
All specifications at TA = 25°C, VS = 12 V, and VIN+ = 12 V, and VSENSE = 100 mV, unless otherwise noted.
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G = 20 |
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G = 20 |
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OutputVoltage(50mV/div) |
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OutputVoltage(500mV/div) |
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VSENSE = 10mV to 20mV |
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VSENSE = 10mV to 100mV |
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Time (2 s/div) |
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Time (2 s/div) |
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Figure 13. Step Response |
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Figure 14. Step Response |
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G = 20 |
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G = 50 |
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OutputVoltage(50mV/div) |
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OutputVoltage(100mV/div) |
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VSENSE = 90mV to 100mV |
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VSENSE = 10mV to 20mV |
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Time (2 s/div) |
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Time (5 s/div) |
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Figure 15. Step Response |
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Figure 16. Step Response |
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G = 50 |
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G = 50 |
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OutputVoltage(1V/div) |
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OutputVoltage(100mV/div) |
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VSENSE = 10mV to 100mV |
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VSENSE = 90mV to 100mV |
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Time (5 s/div) |
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Time (5 s/div) |
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Figure 17. Step Response |
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Figure 18. Step Response |
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Copyright © 2004–2015, Texas Instruments Incorporated |
Submit Documentation Feedback |
9 |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
www.ti.com |
Typical Characteristics (continued)
All specifications at TA = 25°C, VS = 12 V, and VIN+ = 12 V, and VSENSE = 100 mV, unless otherwise noted.
G = 100
OutputVoltage(2V/div)
VSENSE = 10mV to 100mV
Time (10 s/div)
Figure 19. Step Response
10 |
Submit Documentation Feedback |
Copyright © 2004–2015, Texas Instruments Incorporated |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198
INA193, INA194, INA195
INA196, INA197, INA198
www.ti.com |
SBOS307G –MAY 2004 –REVISED JANUARY 2015 |
The INA193−INA198 family of current shunt monitors with voltage output can sense drops across shunts at common-mode voltages from −16 V to +80 V, independent of the INA19x supply voltage. They are available with three output voltage scales: 20 V/V, 50 V/V, and 100 V/V. The 500-kHz bandwidth simplifies use in current control loops. The INA193−INA195 devices provide identical functions but alternative pin configurations to the INA196−INA198, respectively.
The INA193−INA198 devices operate from a single +2.7-V to +18-V supply, drawing a maximum of 900 μA of supply current. They are specified over the extended operating temperature range (−40°C to +125°C), and are offered in a space-saving SOT-23 package.
VIN+ |
R1(1) |
VIN |
R1(1) |
V+ |
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5 k: |
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5 k: |
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A1 |
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A2 |
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G = 20, RL = 100 k: |
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OUT |
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G = 50, RL = 250 k: |
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G = 100, RL = 500 k: |
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INA193-INA198 |
RL(1) |
GND |
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Copyright © 2004–2015, Texas Instruments Incorporated |
Submit Documentation Feedback |
11 |
Product Folder Links: INA193 INA194 INA195 INA196 INA197 INA198