Texas Instruments INA208, INA208AIDRG4 Datasheet

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INA20x

FEATURES DESCRIPTION

APPLICATIONS

IN+

IN-

CMP1 OUT

CMP2 OUT

CMP1 RESET

OUT

CMP1 IN+

CMP2 IN-

GND

INA206 INA208-

MSOP-10

0.6V REF

IN+

IN-

CMP1 RESET

INA206 INA208-

1.2V REF OUT

CMP1 OUT

CMP2 OUT

CMP2 DELAY

OUT

CMP1 IN /0.6V REF-

CMP1 IN+

CMP2 IN-

CMP2 IN+/0.6V REF

GND

SO-14, TSSOP-14

1.2V REF

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

Unidirectional Measurement

Current-Shunt Monitor with Dual Comparators

• COMPLETE CURRENT SENSE SOLUTION

The INA206, INA207, and INA208 are a family of unidirectional, current-shunt monitors with voltage

• DUAL COMPARATORS:

output, dual comparators, and voltage reference. The

– Comparator 1 with Latch

INA206, INA207, and INA208 can sense drops

– Comparator 2 with Optional Delay

across shunts at common-mode voltages from –16V

• COMMON-MODE RANGE: –16V to +80V to +80V. The INA206, INA207, and INA208 are available with three output voltage scales: 20V/V,

• HIGH ACCURACY: 3.5% (max) OVER TEMP

50V/V, and 100V/V, with up to 500kHz bandwidth.

• BANDWIDTH: 500kHz

The INA206, INA207, and INA208 also incorporate

• QUIESCENT CURRENT: 1.8mA

two open-drain comparators with internal 0.6V

• PACKAGES: SO-14, TSSOP-14, MSOP-10

references. On 14-pin versions, the comparator references can be overridden by external inputs. Comparator 1 includes a latching capability, and Comparator 2 has a user-programmable delay on

• NOTEBOOK COMPUTERS

14-pin versions. 14-pin versions also provide a 1.2V

• CELL PHONES

reference output.

• TELECOM EQUIPMENT

The INA206, INA207, and INA208 operate from a

• AUTOMOTIVE

single +2.7V to +18V supply. They are specified over

• POWER MANAGEMENT the extended operating temperature range of –40 ° C

• BATTERY CHARGERS

to +125 ° C.

• WELDING EQUIPMENT

RELATED PRODUCTS

FEATURES PRODUCT

Variant of INA206–INA208 Comparator 2 INA203–INA205 polarity

DEVICE GAIN

Current-shunt monitor with single INA200–INA202

INA206 20V/V

comparator and V

REF

INA207 50V/V

Current-shunt monitor only INA193–INA198

INA208 100V/V

Current-shunt monitor with split stages for INA270–INA271 filter options

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

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ABSOLUTE MAXIMUM RATINGS

(1)

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.

ORDERING INFORMATION

(1)

EXTERNAL INTERNAL

COMP1 AND COMP1 AND

PACKAGE PACKAGE 1.2V COMP2 COMP2 COMP2

PRODUCT GAIN PACKAGE-LEAD DESIGNATOR MARKING REF OUT REF INPUTS 0.6V REF DELAY PIN

SO-14 D INA206A X X X X

INA206 20V/V MSOP-10 DGS BQQ X

TSSOP-14 PW INA206A X X X X

SO-14 D INA207A X X X X

INA207 50V/V MSOP-10 DGS BQR X

TSSOP-14 PW INA207A X X X X

SO-14 D INA208A X X X X

INA208 100V/V MSOP-10 DGS BQS X

TSSOP-14 PW INA208A X X X X

(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com . Packages listed above but not found in the Package Option Addendum are preview packages.

INA206, INA207, INA208 UNIT

Supply Voltage, V+ 18 V

Differential (V

IN+

) – (V

IN–

) –18 to +18 V

Current-Shunt Monitor Analog Inputs, V

IN+

and V

IN–

Common-Mode –16 to +80 V Comparator Analog Input and Reset Pins GND – 0.3 to (V+) + 0.3 V Analog Output, Out Pin GND – 0.3 to (V+) + 0.3 V Comparator Output, Out Pin GND – 0.3 to 18 V V

REF

and CMP2 Delay Pin GND – 0.3 to 10 V Input Current Into Any Pin 5 mA Operating Temperature –55 to +150 ° C Storage Temperature –65 to +150 ° C Junction Temperature +150 ° C

Human Body Model (HBM) 4000 V

ESD Ratings

Charged Device Model (CDM) 500 V

(1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may

degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not supported.

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ELECTRICAL CHARACTERISTICS

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

Boldface limits apply over the specified temperature range, TA= –40 ° C to +125 ° C.

At TA= +25 ° C, VS= +12V, V

IN+

= 12V, V

SENSE

= 100mV, RL= 10k Ω to GND, R

PULL-UP

= 5.1k Ω each connected from

CMP1 OUT and CMP2 OUT to VS, and CMP1 IN+ = 1V and CMP2 IN– = GND, unless otherwise noted.

INA206, INA207, INA208

CURRENT-SHUNT MONITOR

PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT

INPUT

Full-Scale Sense Input Voltage V

SENSE

= V

IN+

– V

IN–

0.15 (VS– V

0.25)/Gain

Common-Mode Input Range V

–16 80 V

Common-Mode Rejection Ratio CMRR V

IN+

= –16V to +80V 80 100 dB

over Temperature V

IN+

= +12V to +80V 100 123 dB

Offset Voltage RTI

(1)

± 0.5 ± 2.5 mV +25 ° C to +125 ° C ± 3 mV –40 ° C to +25 ° C ± 3.5 mV

vs Temperature dV

/dT –40 ° C to +125 ° C 5 μ V/ ° C

vs Power-Supply PSR V

OUT

= 2V, V

IN+

= 18V, 2.7V 2.5 100 μ V/V

Input Bias Current, V

IN–

Pin I

± 9 ± 16 μ A

OUTPUT (V

SENSE

≥ 20mV)

Gain: INA206 G 20 V/V Gain: INA207 50 V/V Gain: INA208 100 V/V Gain Error V

SENSE

= 20mV to 100mV ± 0.2 ± 1 %

over Temperature V

SENSE

= 20mV to 100mV ± 2 %

Total Output Error

(2)

SENSE

= 120mV, VS= +16V ± 0.75 ± 2.2 %

over Temperature V

SENSE

= 120mV, VS= +16V ± 3.5 %

Nonlinearity Error

(3)

SENSE

= 20mV to 100mV ± 0.002 %

Output Impedance R

1.5 Ω

Maximum Capacitive Load No Sustained Oscillation 10 nF

OUTPUT (V

SENSE

< 20mV)

(4)

INA206, INA207, INA208 –16V ≤ VCM< 0V 300 mV INA206 0V ≤ VCM≤ VS, VS= 5V 0.4 V INA207 0V ≤ VCM≤ VS, VS= 5V 1 V INA208 0V ≤ VCM≤ VS, VS= 5V 2 V INA206, INA207, INA208 VS< VCM≤ 80V 300 mV

VOLTAGE OUTPUT

(5)

Output Swing to the Positive Rail V

IN–

= 11V, V

IN+

= 12V (V+) – 0.15 (V+) – 0.25 V

Output Swing to GND

(6)

IN–

= 0V, V

IN+

= –0.5V (V

GND

) + 0.004 (V

GND

) + 0.05 V

FREQUENCY RESPONSE

Bandwidth: INA206 BW C

LOAD

= 5pF 500 kHz

Bandwidth: INA207 C

LOAD

= 5pF 300 kHz

Bandwidth: INA208 C

LOAD

= 5pF 200 kHz

Phase Margin C

LOAD

< 10pF 40 Degrees Slew Rate 1 V/ μ s Settling Time (1%) V

SENSE

= 10mV

to 100mV

, 2 μ s

LOAD

= 5pF

NOISE, RTI

Output Voltage Noise Density 40 nV/ √ Hz

(1) Offset is extrapolated from measurements of the output at 20mV and 100mV V

SENSE

. (2) Total output error includes effects of gain error and VOS. (3) Linearity is best fit to a straight line. (4) For details on this region of operation, see the Accuracy Variations as a Result of V

SENSE

and Common-Mode Voltage section in the

Applications Information .

(5) See Typical Characteristics curve Output Swing vs Output Current . (6) Specified by design.

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ELECTRICAL CHARACTERISTICS

THRESHOLD

Input Voltage

0.592 0.6

a) CMP1

THRESHOLD

Input Voltage

0.6080.6

b) CMP2

Hysteresis=V – 8mV

THRESHOLD

Hysteresis=V – 8mV

THRESHOLD

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

Boldface limits apply over the specified temperature range, TA= –40 ° C to +125 ° C.

At TA= +25 ° C, VS= +12V, V

IN+

= 12V, V

SENSE

= 100mV, RL= 10k Ω to GND, R

PULL-UP

= 5.1k Ω each connected from

CMP1 OUT and CMP2 OUT to VS, unless otherwise noted.

INA206, INA207, INA208

COMPARATOR PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT

OFFSET VOLTAGE

Offset Voltage Comparator Common-Mode Voltage = Threshold Voltage 2 mV

Offset Voltage Drift, Comparator 1 ± 2 μ V/ ° C Offset Voltage Drift, Comparator 2 +5.4 μ V/ ° C

Threshold TA= +25 ° C 590 600 610 mV

over Temperature 586 614 mV

Hysteresis

(1)

, CMP1 TA= –40 ° C to +85 ° C –8 mV

Hysteresis

(1)

, CMP2 TA= –40 ° C to +85 ° C 8 mV

INPUT BIAS CURRENT

(2)

CMP1 IN+, CMP2 IN– 0.005 10 nA

vs Temperature 15 nA

INPUT IMPEDANCE

Pins 3 and 6 (14-pin packages only) 10 k Ω

INPUT RANGE

CMP1 IN+ and CMP2 IN– 0V to VS– 1.5V V Pins 3 and 6 (14-pin packages only)

(3)

0V to VS– 1.5V V

OUTPUT

Large-Signal Differential Voltage Gain CMP V

OUT

1V to 4V, RL≥ 15k Ω connected to 5V 200 V/mV

High-Level Output Current VID= 0.4V, VOH= V

0.0001 1 μ A

Low-Level Output Voltage VID= –0.6V, IOL= 2.35mA 220 300 mV

RESPONSE TIME

(4)

Comparator 1 RLto 5V, CL= 15pF, 100mV Input Step with 5mV Overdrive 1.3 μ s Comparator 2 RLto 5V, CL= 15pF, 100mV Input Step with 5mV Overdrive, 1.3 μ s

DELAY

Pin Open

RESET

RESET Threshold

(5)

1.1 V Logic Input Impedance 2 M Ω Minimum RESET Pulse Width 1.5 μ s RESET Propagation Delay 3 μ s Comparator 2 Delay Equation

(6)

DELAY

= tD/5 μ F

Comparator 2 Delay t

DELAY

= 0.1 μ F 0.5 s

(1) Hysteresis refers to the threshold (the threshold specification applies to a rising edge of a noninverting input) of a falling edge on the

noninverting input of the comparator. Refer to Figure 1 . (2) Specified by design. (3) See the Comparator Maximum Input Voltage Range section in the Applications Information . (4) The comparator response time specified is the interval between the input step function and the instant when the output crosses 1.4 V. (5) RESET input has an internal 2M Ω (typical) pull-down. Leaving RESET open results in a LOW state, with transparent comparator

operation. (6) The Comparator 2 delay applies to both rising and falling edges of the comparator output.

Figure 1. Comparator Hysteresis

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ELECTRICAL CHARACTERISTICS

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

Boldface limits apply over the specified temperature range, TA= –40 ° C to +125 ° C.

At TA= +25 ° C, VS= +12V, V

IN+

= 12V, V

SENSE

= 100mV, RL= 10k Ω to GND, R

PULL-UP

= 5.1k Ω each connected from

CMP1 OUT and CMP2 OUT to VS, unless otherwise noted.

INA206, INA207, INA208

REFERENCE PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT

REFERENCE VOLTAGE

1.2V

REFOUT

Output Voltage 1.188 1.2 1.212 V

Reference Drift dV

OUT

/dT TA= –40 ° C to +85 ° C 40 100 ppm/ ° C

0.6V

REF

Output Voltage 0.6 V

(Pins 3 and 6 of 14-pin packages only)

Reference Drift dV

OUT

/dT TA= –40 ° C to +85 ° C 40 100 ppm/ ° C

LOAD REGULATION dV

OUT

/dI

LOAD

Sourcing 0mA < I

SOURCE

< 0.5mA 0.4 2 mV/mA

Sinking 0mA < I

SINK

< 0.5mA 0.4 mV/mA

LOAD CURRENT I

LOAD

1 mA

LINE REGULATION dV

OUT

/dV

2.7V < VS< 18V 30 μ V/V

CAPACITIVE LOAD

Reference Output Max. Capacitive Load No Sustained Oscillations 10 nF

OUTPUT IMPEDANCE

Pins 3 and 6 of 14-Pin Packages Only 10 k Ω

Boldface limits apply over the specified temperature range, TA= –40 ° C to +125 ° C. At TA= +25 ° C, VS= +12V, V

IN+

= 12V, V

SENSE

= 100mV, RL= 10k Ω to GND, R

PULL-UP

= 5.1k Ω each connected from

CMP1 OUT and CMP2 OUT to VS, and CMP1 IN+ = 1V and CMP2 IN– = GND, unless otherwise noted.

INA206, INA207, INA208

GENERAL PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT POWER SUPPLY Operating Power Supply V

+2.7 +18 V

Quiescent Current I

OUT

= 2V 1.8 2.2 mA

over Temperature V

SENSE

= 0mV 2.8 mA

Comparator Power-On Reset Threshold

(1)

1.5 V

TEMPERATURE

Specified Temperature Range –40 +125 ° C Operating Temperature Range –55 +150 ° C Storage Temperature Range –65 +150 ° C Thermal Resistance θ

MSOP-10 Surface-Mount 200 ° C/W SO-14, TSSOP-14 Surface-Mount 150 ° C/W

(1) The INA206, INA207, and INA208 are designed to power-up with the comparator in a defined reset state as long as CMP1 RESET is

open or grounded. The comparator will be in reset as long as the power supply is below the voltage shown here. The comparator will assume a state based on the comparator input above this supply voltage. If CMP1 RESET is high at power-up, the comparator output comes up high and requires a reset to assume a low state, if appropriate.

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TYPICAL CHARACTERISTICS

10k 100k

Gai

n (dB)

Frequency (Hz)

G = 100

LOAD

= 1000pF

G = 50

G=20

10k 100k

Gain (dB)

Frequency (Hz)

G = 100

G=50

G=20

20 100 500400

300

200 600 700

V (V)

OUT

V (mV)

SENSE

900800

50V/V

20V/V

100V/V

140

130

120

110

100

10 100 10k

Frequency (Hz)

100k

CMRR

PSR

Common --Mode and

Power--Supply Rejection (dB)

4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0 50 100 150 200 250

300 350

SENSE

(mV)

450400 500

Output Error

(% error of the ideal output value)

0.1

0.09

0.08

0.07

0.06

0.05

0.04

0.03

0.02

0.01

utput Error (% )

Common--Mode Voltage (V)

...

–8 8

–4 4

–12 12

–16 16 20

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

All specifications at TA= +25 ° C, VS= +12V, V

IN+

= 12V, and V

SENSE

= 100mV, unless otherwise noted.

GAIN vs FREQUENCY GAIN vs FREQUENCY

Figure 2. Figure 3.

COMMON-MODE AND POWER-SUPPLY REJECTION

GAIN PLOT vs FREQUENCY

Figure 4. Figure 5.

OUTPUT ERROR vs V

SENSE

OUTPUT ERROR vs COMMON-MODE VOLTAGE

Figure 6. Figure 7.

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0 15 20

Out

put Voltage (V)

Output Current (mA)

+25 C°

–40 C°

+125 C°

V =12V

Sourcin g Current

V =3V

Sourcin g Current

Output stage is designed to source current. Current sinkingcapabiltyis approximately400 A.m

3.5

3.0

2.5

2.0

1.5

1.0

0.5

(mA)

Output Voltage (V)

1 2

8 9 10

2.50

2.25

2.00

1.75

1.50

1.25

1.00

I (mA)

V (V)

V =100mV

SENSE

V =0mV

SENSE

V =12V

V =2.7V

–16

–12

–8

–4

16 20

24 28 32 36

2.5

3.5 4.5 5.5 6.5 7.5 8.5 9.5 11.5 17

10.5

utput Short--Circuit Current (mA)

Supply Voltage (V)

+125 C°

+25 C°

–40 C°

Out

put Voltage (50mV/div)

Time(2 s/div)m

G = 20

SENSE

=10mVto20mV

Output Voltage (500mV/div)

Time(2 s/div)m

G = 20

SENSE

=10mVto100mV

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

POSITIVE OUTPUT VOLTAGE SWING

vs OUTPUT CURRENT QUIESCENT CURRENT vs OUTPUT VOLTAGE

Figure 8. Figure 9.

QUIESCENT CURRENT OUTPUT SHORT-CIRCUIT CURRENT

vs COMMON-MODE VOLTAGE vs SUPPLY VOLTAGE

Figure 10. Figure 11.

STEP RESPONSE STEP RESPONSE

Figure 12. Figure 13.

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Out

put Voltage (50mV/div)

Time(2 s/div)m

G = 20

SENSE

=90mVto100mV

Output Voltage (100mV/div)

Time(5 s/div)m

G = 50

SENSE

=10mVto20mV

tput Voltage (1V/div)

Time(5 s/div)m

G = 50

SENSE

=10mVto100mV

Output Voltage (100mV/div)

Time(5 s/div)m

G = 50

SENSE

=90mVto100mV

tput Voltage (2V/div)

Time(10 s/div)m

SENSE

=10mVto100mV

G=100

600

500

400

300

200

100

V (mV)

I (mA)

SINK

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

STEP RESPONSE STEP RESPONSE

Figure 14. Figure 15.

STEP RESPONSE STEP RESPONSE

Figure 16. Figure 17.

STEP RESPONSE COMPARATOR V

vs I

SINK

Figure 18. Figure 19.

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600

599

598

597

596

595

594

593

592

591

590

Comparator

TripPoint(mV)

Supply Voltage (V)

6 8 10

12 14

602

601

600

599

598

597

596

–50 –25

Comparator Trip Point (mV)

Temperature ( C)°

125

0 25 50

100

200

175

150

125

100

0 20

Pro

pagation Delay (ns)

Overdrive Voltage (mV)

200

40 60 80 100 120 140 160 180

0 20

Propagation Delay ( s)

Overdrive Voltage (mV)

200

40 60 80 100 120 140 160 180

1.2

1.0

0.8

0.6

0.4

0.2

set Voltage (V)

Supply Voltage (V)

6 8 10

12 14

300

275

250

225

200

175

150

125

–50 –25

ropagation Delay (ns)

Temperature ( C)°

125

0 25 50

100

INA206 INA207 INA208

SBOS360C – JUNE 2006 – REVISED JUNE 2007

COMPARATOR TRIP POINT vs SUPPLY VOLTAGE COMPARATOR TRIP POINT vs TEMPERATURE

Figure 20. Figure 21.

COMPARATOR 1 PROPAGATION DELAY COMPARATOR 2 PROPAGATION DELAY

vs OVERDRIVE VOLTAGE vs OVERDRIVE VOLTAGE

Figure 22. Figure 23.

COMPARATOR RESET VOLTAGE COMPARATOR 1 PROPAGATION DELAY

vs SUPPLY VOLTAGE vs TEMPERATURE

Figure 24. Figure 25.

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