TS185x, TS185xA
1.8 V input/output, rail-to-rail, low power operational amplifiers
Features
■Operating range from VCC = 1.8 to 6 V
■Rail-to-rail input and output
■Extended Vicm (VCC- - 0.2 V to VCC + + 0.2 V)
■Low supply current (120 μA)
■Good accuracy (1 mV max for A version)
■Gain bandwidth product (530 kHz)
■High unity gain stability (able to drive 500 pF)
■ESD tolerance (2 kV)
■Latch-up immunity
■Available in SOT23-5 micropackage
Applications
■Two-cell battery-powered systems
■Battery-powered electronic equipment
■Cordless phones
■Cellular phones
■Laptops
■PDAs
Description
The TS185x (single, dual and quad) can operate with voltages as low as 1.8 V. They feature both input and output rail-to-rail (1.71 at VCC = 1.8 V, RL = 2 kΩ), 120 μA current consumption and 530 kHz gain bandwidth product.
With this low consumption and a sufficient GBP for many applications, these operational amplifiers are well-suited to all kinds of battery supplied and portable applications.
The TS1851 is housed in the space-saving 5-pin SOT23-5 package, which simplifies board design (outside dimensions are 2.8 mm x 2.9 mm).
Pin connections (top view)
TS1851ILT
Out |
1 |
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5 |
VCC+ |
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VCC- |
2 |
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In+ |
3 |
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4 |
In- |
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TS1851ID/IDT
N.C. |
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N.C. |
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1 |
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8 |
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In- |
2 |
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7 |
VCC+ |
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In+ |
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+ |
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Out |
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3 |
6 |
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N.C. |
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VCC- |
4 |
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5 |
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TS1852ID/IDT-TS1852IST-TS1852IPT
Out1 |
1 |
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8 |
VCC+ |
In1- |
2 |
_ |
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7 |
Out2 |
In1+ |
3 |
+ |
_ |
6 |
In2- |
VCC- |
4 |
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+ |
5 |
In2+ |
TS1854ID/IDT-TS1854IPT |
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Out1 |
1 |
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14 |
Out4 |
In1- |
2 |
_ |
_ |
13 |
In4- |
In1+ |
3 |
+ |
+ |
12 |
In4+ |
VCC+ |
4 |
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11 |
VCC- |
In2+ |
5 |
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+ |
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+ |
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10 |
In3+ |
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_ |
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In3- |
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In2- |
6 |
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9 |
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Out2 |
7 |
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8 |
Out3 |
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Table 1. |
Device summary |
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Reference |
Single |
Dual |
Quad |
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version |
version |
version |
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TS185x |
TS1851 |
TS1852 |
TS1854 |
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TS185xA |
TS1851A |
TS1852A |
TS1854A |
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March 2010 |
Doc ID 6991 Rev 4 |
1/24 |
www.st.com
Contents |
TS185x, TS185xA |
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Contents
1 |
Absolute maximum ratings and operating conditions . . . . . . . . . . . . |
. 3 |
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2 |
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
5 |
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3 |
Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
15 |
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3.1 |
SO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
16 |
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3.2 |
TSSOP8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
17 |
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3.3 |
MiniSO-8 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
18 |
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3.4 |
SO-14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
19 |
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3.5 |
TSSOP14 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
20 |
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3.6 |
SOT23-5 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
21 |
4 |
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
22 |
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5 |
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
23 |
2/24 |
Doc ID 6991 Rev 4 |
TS185x, TS185xA |
Absolute maximum ratings and operating conditions |
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Table 2. |
Absolute maximum ratings |
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Symbol |
Parameter |
Value |
Unit |
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VCC |
Supply voltage (1) |
7 |
V |
Vid |
Differential input voltage(2) |
±1 |
V |
Vi |
Input voltage |
VCC- -0.3 to VCC+ +0.3 |
V |
Toper |
Operating free-air temperature range |
-40 to + 125 |
°C |
Tstg |
Storage temperature |
-65 to +150 |
°C |
Tj |
Maximum junction temperature |
150 |
°C |
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Thermal resistance junction to ambient (3) |
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SOT23-5 |
250 |
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Rthja |
miniSO-8 |
190 |
°C/W |
SO-8 |
125 |
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SO-14 |
103 |
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TSSOP8 |
120 |
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TSSOP14 |
100 |
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Thermal resistance junction to case |
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SOT23-5 |
81 |
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Rthjc |
miniSO-8 |
39 |
°C/W |
SO-8 |
40 |
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SO-14 |
31 |
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TSSOP8 |
37 |
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TSSOP14 |
32 |
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HBM: human body model(4) |
2 |
kV |
ESD |
MM: machine model(5) |
200 |
V |
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CDM: charged device model(6) |
1.5 |
kV |
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Lead temperature (soldering, 10sec) |
250 |
°C |
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Output short-circuit duration |
See note(7) |
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1.All voltage values, except differential voltages, are with respect to network terminal.
2.Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. If
Vid > ±1 V, the maximum input current must not exceed ±1 mA. When Vid > ±1 V, add an input series resistor to limit the input current.
3.Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous shortcircuits on all amplifiers.
4.Human body model: a 100 pF capacitor is charged to the specified voltage, then discharged through a 1.5 kΩ resistor between two pins of the device. This is done for all couples of connected pin combinations while the other pins are floating.
5.Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω). This is done for all couples of connected pin combinations while the other pins are floating.
6.Charged device model: all pins and package are charged together to the specified voltage and then discharged directly to ground through only one pin. This is done for all pins.
7.Short-circuits from the output to VCC can cause excessive heating. The maximum output current is approximately 48 mA, independent of the magnitude of VCC. Destructive dissipation can result from simultaneous short-circuits on all amplifiers.
Doc ID 6991 Rev 4 |
3/24 |
Absolute maximum ratings and operating conditions |
TS185x, TS185xA |
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Table 3. |
Operating conditions |
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Symbol |
Parameter |
Value |
Unit |
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VCC |
Supply voltage |
1.8 to 6 |
V |
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Common-mode input voltage range |
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Vicm |
Top = 25°C, 1.8 ≤ VCC ≤ 6 V |
VCC- - 0.2 to VCC+ + 0.2 |
V |
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Tmin < Top < Tmax, 1.8 ≤ VCC ≤ 5.5 V |
VCC- to VCC+ |
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Toper |
Operating free-air temperature range |
-40 to + 125 |
°C |
4/24 |
Doc ID 6991 Rev 4 |
TS185x, TS185xA |
Electrical characteristics |
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Table 4. Electrical characteristics measured at VCC+ = +1.8 V, VCC- = 0 V, with CL and RL connected to VCC/2, Tamb = 25°C (unless otherwise specified) (1)
Symbol |
Parameter |
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Conditions |
Min. |
Typ. |
Max. |
Unit |
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TS1851/2/4 |
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3 |
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Vio |
Input offset voltage |
Tmin ≤ Tamb |
≤ Tmax |
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0.1 |
6 |
mV |
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TS1851A/2A/4A |
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1 |
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Tmin ≤ Tamb |
≤ Tmax |
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1.5 |
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Vio |
Input offset voltage drift |
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2 |
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μV/°C |
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V |
icm |
= V |
= V |
CC |
/2 (2) |
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1 |
9 |
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Iio |
Input offset current |
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out |
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nA |
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Tmin ≤ Tamb |
≤ Tmax |
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25 |
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V |
icm |
= V |
= V |
CC |
/2(2) |
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10 |
50 |
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Iib |
Input bias current |
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out |
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nA |
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Tmin ≤ Tamb |
≤ Tmax |
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80 |
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CMR |
Common mode rejection ratio |
0 ≤Vicm ≤VCC |
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55 |
85 |
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dB |
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20 log ( Vic/ Vio) |
Tmin ≤ Tamb |
≤ Tmax |
52 |
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Avd |
Large signal voltage gain |
Vout = 0.5 to |
1.3 V |
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dB |
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R = 10 kΩ |
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80 |
100 |
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L |
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RL = 2 kΩ |
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70 |
100 |
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Vid = 100 mV |
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RL = 10 kΩ |
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1.7 |
1.77 |
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VOH |
High level output voltage |
RL = 2 kΩ |
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1.65 |
1.7 |
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V |
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Tmin ≤ Tamb |
≤ Tmax, RL = 10 kΩ |
1.7 |
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Tmin ≤ Tamb |
≤ Tmax, RL = 2 kΩ |
1.65 |
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Vid = -100 mV |
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RL = 10 kΩ |
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40 |
70 |
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VOL |
Low level output voltage |
RL = 2 kΩ |
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62 |
90 |
mV |
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Tmin ≤ Tamb |
≤ Tmax, RL = 10 kΩ |
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100 |
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Tmin ≤ Tamb |
≤ Tmax, RL = 2 kΩ |
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120 |
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Output source current |
Vid = 100 mV, VO = VCC-at Tamb |
15 |
29 |
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mA |
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Io |
at Tmin ≤ Tamb |
≤ Tmax |
5 |
5 |
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Output sink current |
Vid = -100 mV, VO = VCC+, at Tamb |
15 |
46 |
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mA |
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at Tmin ≤ Tamb |
≤ Tmax |
5 |
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Vout = VCC/2 |
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ICC |
Supply current (per amplifier) |
AVCL = 1, no load |
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120 |
170 |
μA |
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Tmin ≤ Tamb |
≤ Tmax |
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200 |
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GBP |
Gain bandwidth product |
RL = 10 kΩ, CL = 100 pF, f = 100 kHz |
300 |
530 |
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kHz |
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SR |
Slew rate |
RL = 10 kΩ, CL = 100 pF, AV = 1 |
0.1 |
0.18 |
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V/μs |
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φm |
Phase margin |
CL = 100 pF |
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60 |
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Degrees |
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en |
Input voltage noise |
f = 1 kHz |
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40 |
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nV/√Hz |
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THD |
Total harmonic distortion |
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0.01 |
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% |
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1.All parameter limits at temperatures other than 25°C are guaranteed by correlation.
2.Maximum values include unavoidable inaccuracies of the industrial tests.
Doc ID 6991 Rev 4 |
5/24 |
Electrical characteristics |
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TS185x, TS185xA |
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Table 5. |
Electrical characteristics measured at VCC+ = +3 V, VCC- = 0 V, with CL and RL connected to |
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V |
/2, T |
= 25°C (unless otherwise specified) (1) |
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CC |
amb |
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Symbol |
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Parameter |
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Conditions |
Min. |
Typ. |
Max. |
Unit |
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Vicm = Vout = VCC/2 |
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TS1851/2/4 |
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3 |
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Vio |
Input offset voltage |
Tmin ≤ Tamb |
≤ Tmax |
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0.1 |
6 |
mV |
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TS1851A/2A/4A |
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1 |
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Tmin ≤ Tamb |
≤ Tmax |
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1.5 |
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Vio |
Input offset voltage drift |
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2 |
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μV/°C |
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V |
icm |
= V |
= V |
CC |
/2(2) |
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1 |
9 |
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Iio |
Input offset current |
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out |
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nA |
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Tmin ≤ Tamb |
≤ Tmax |
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25 |
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V |
icm |
= V |
= V |
CC |
/2(2) |
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10 |
55 |
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Iib |
Input bias current |
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out |
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nA |
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Tmin ≤ Tamb |
≤ Tmax |
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85 |
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CMR |
Common mode rejection ratio |
0 ≤ Vicm ≤ VCC |
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60 |
90 |
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dB |
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20 log ( Vic/ Vio) |
Tmin ≤ Tamb |
≤ Tmax |
57 |
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Avd |
Large signal voltage gain |
Vout = 0.5 to 2.5 V |
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dB |
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R = 10 kΩ |
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83 |
102 |
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L |
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RL = 2 kΩ |
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74 |
102 |
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Vid = 100 mV |
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RL = 10 kΩ |
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2.9 |
2.96 |
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VOH |
High level output voltage |
RL = 2 kΩ |
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2.85 |
2.94 |
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V |
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Tmin ≤ Tamb |
≤ Tmax, RL = 10 kΩ |
2.9 |
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Tmin ≤ Tamb |
≤ Tmax, RL = 2 kΩ |
2.85 |
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Vid = -100 mV |
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RL = 10 kΩ |
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10 |
90 |
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VOL |
Low level output voltage |
RL = 2 kΩ |
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46 |
100 |
mV |
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Tmin ≤ Tamb |
≤ Tmax, RL = 10 kΩ |
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120 |
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Tmin ≤ Tamb |
≤ Tmax, RL = 2 kΩ |
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130 |
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Output source current |
Vid = 100 mV, VO = VCC-, at Tamb |
15 |
47 |
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mA |
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Io |
At Tmin ≤ Tamb |
≤ Tmax |
5 |
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Output sink current |
Vid = -100 mV, VO = VCC+, at Tamb |
15 |
47 |
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mA |
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At Tmin ≤ Tamb |
≤ Tmax |
5 |
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Vout = VCC/2 |
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ICC |
Supply current (per amplifier) |
AVCL = 1, no load |
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150 |
200 |
μA |
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Tmin ≤ Tamb |
≤ Tmax |
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230 |
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GBP |
Gain bandwidth product |
RL = 10 kΩ, CL = 100 pF, f = 100 kHz |
370 |
600 |
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kHz |
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SR |
Slew rate |
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RL = 10 kΩ, CL = 100 pF, AV = 1 |
0.12 |
0.2 |
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V/μs |
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φm |
Phase margin |
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CL = 100 pF |
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60 |
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Degrees |
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en |
Input voltage noise |
f = 1 kHz |
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40 |
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nV/√Hz |
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THD |
Total harmonic distortion |
Vout = 2 Vpk-pk, AV = -1, f = 1 kHz |
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0.005 |
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% |
1.All parameter limits at temperatures other than 25°C are guaranteed by correlation.
2.Maximum values include unavoidable inaccuracies of the industrial tests.
6/24 |
Doc ID 6991 Rev 4 |
TS185x, TS185xA |
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|
Electrical characteristics |
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Table 6. |
Electrical characteristics measured at VCC+ = +5 V, VCC- = 0 V, with CL and RL connected to |
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V |
/2, T |
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= 25°C (unless otherwise specified) (1) |
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CC |
amb |
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Symbol |
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Parameter |
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Conditions |
Min. |
Typ. |
Max. |
Unit |
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Vicm = Vout = VCC/2 |
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TS1851/2/4 |
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0.1 |
3 |
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Vio |
Input offset voltage |
Tmin ≤ Tamb |
≤ Tmax |
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6 |
mV |
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TS1851A/2A/4A |
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1 |
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Tmin ≤ Tamb |
≤ Tmax |
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1.5 |
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Vio |
Input offset voltage drift |
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2 |
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μV/°C |
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Iio |
Input offset current |
Vicm = Vout = VCC/2(2) |
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1 |
9 |
nA |
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Tmin ≤Tamb |
≤Tmax |
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25 |
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Iib |
Input bias current |
Vicm = Vout = VCC/2(2) |
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16 |
63 |
nA |
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Tmin ≤Tamb |
≤Tmax |
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93 |
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CMR |
Common mode rejection ratio |
0 ≤Vicm ≤VCC |
65 |
95 |
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dB |
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20 log ( Vic/ Vio) |
Tmin ≤Tamb |
≤Tmax |
62 |
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SVR |
Supply voltage rejection ratio |
VCC = 1.8 to 5 V |
70 |
90 |
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dB |
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20 log ( |
Vcc/ |
Vio) |
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Avd |
Large signal voltage gain |
Vout = 0.5 to 4 V |
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dB |
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R = 10 kΩ |
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85 |
104 |
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L |
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RL = 2 kΩ |
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77 |
104 |
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Vid = 100 mV |
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RL = 10 kΩ |
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4.85 |
4.95 |
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VOH |
High level output voltage |
RL = 2 kΩ |
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4.8 |
4.91 |
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V |
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Tmin ≤ Tamb |
≤ Tmax, RL = 10 kΩ |
4.85 |
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Tmin ≤ Tamb |
≤ Tmax, RL = 2 kΩ |
4.8 |
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Vid = -100 mV |
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RL = 10 kΩ |
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40 |
180 |
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VOL |
Low level output voltage |
RL = 2 kΩ |
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80 |
200 |
mV |
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Tmin ≤ Tamb |
≤ Tmax, RL = 10 kΩ |
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180 |
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Tmin ≤ Tamb |
≤ Tmax, RL = 2 kΩ |
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200 |
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Output source current |
Vid = 100 mV, VO = VCC-, at Tamb |
15 |
48 |
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mA |
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Io |
at Tmin ≤ Tamb ≤ Tmax |
5 |
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Output sink current |
Vid = -100 mV, VO = VCC+, at Tamb |
15 |
48 |
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mA |
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at Tmin ≤ Tamb ≤ Tmax |
5 |
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Vout = VCC/2 |
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ICC |
Supply current (per amplifier) |
AVCL = 1, no load |
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162 |
220 |
μA |
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Tmin ≤ Tamb |
≤ Tmax |
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250 |
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GBP |
Gain bandwidth product |
RL = 10 kΩ, CL = 100 pF, f = 100 kHz |
380 |
656 |
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kHz |
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SR |
Slew rate |
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RL = 10 kΩ, CL = 100 pF, AV = 1 |
0.13 |
0.25 |
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V/μs |
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φm |
Phase margin |
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CL = 100 pF |
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60 |
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Degrees |
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en |
Input voltage noise |
f = 1 kHz |
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40 |
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nV/√Hz |
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THD |
Total harmonic distortion |
Vout = 2 Vpk-pk, AV = -1, f = 1 kHz |
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0.01 |
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% |
1.All parameter limits at temperatures other than 25°C are guaranteed by correlation.
2.Maximum values include unavoidable inaccuracies of the industrial tests.
Doc ID 6991 Rev 4 |
7/24 |
Electrical characteristics |
TS185x, TS185xA |
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Figure 1. |
Input offset voltage distribution |
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Figure 2. |
Input offset voltage vs. temperature |
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100 |
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488 pieces tested |
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400 |
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300 |
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Vcc = 1.8V |
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Vcc = 10V |
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(µV) |
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80 |
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Temp = +25°C |
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200 |
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Quantityof Pieces |
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VoltageInput Drift |
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-200 |
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60 |
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100 |
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Vcc = 10V |
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0 |
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40 |
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-100 |
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20 |
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-300 |
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0 |
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-400 |
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-2. |
-1.6 -1.2 |
-.8 |
-.4 |
0 |
.4 |
.8 |
1.2 |
1.6 |
2 |
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-40 |
-20 |
0 |
20 |
40 |
60 |
80 |
100 120 140 |
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Input Offset Voltage (mV) |
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Temperature (°C) |
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Figure 3. Input bias current vs. temperature Figure 4. |
Input bias current vs. temperature |
at Vcc = 1.8 V |
at Vcc = 3 V |
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0 |
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0 |
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Vcc = 1.8V |
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(nA) |
-2 |
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Vcc = 3V |
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(nA) |
-2 |
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Vicm = 0.9V |
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Vicm = 1.5V |
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current |
-4 |
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current |
-4 |
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-6 |
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-6 |
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bias |
-8 |
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bias |
-8 |
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Input |
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Input |
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-10 |
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-10 |
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-12 |
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-12 |
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-40 |
-20 |
0 |
20 |
40 |
60 |
80 |
100 |
120 |
140 |
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-40 |
-20 |
0 |
20 |
40 |
60 |
80 100 120 140 |
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Temperature (°C) |
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Temperature (°C) |
Figure 5. Input bias current vs. temperature Figure 6. |
Supply current/amplifier vs. supply |
at Vcc = 5 V |
voltage |
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0 |
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200 |
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Vcc = 5V |
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Input bias current (nA) |
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-2 |
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Vicm = 2.5V |
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Supply Current (µA) |
150 |
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-4 |
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Tamb = 25°C |
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-6 |
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100 |
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-8 |
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50 |
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-10 |
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-12 |
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0 |
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0 |
2 |
4 |
6 |
8 |
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-40 |
-20 |
0 |
20 |
40 |
60 |
80 100 120 |
140 |
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Supply Voltage (V) |
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Temperature (°C) |
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8/24 |
Doc ID 6991 Rev 4 |