OPA192 datasheet(13/51 Pages) TI

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7.8 Typical Characteristics (continued)

at TA = 25°C, VS = ±18 V, VCM = VS / 2, RLOAD = 10 kΩ connected to VS / 2, and CL = 100 pF (unless otherwise noted)

Input Offset Voltage (µV)

C001

µ = 46.67 nV

σ = 374.5 nV

N = 2554

VOS (maximum) = ±3 µV

Figure 7-1. Offset Voltage Production Distribution

Input Offset Voltage Drift (µV/ƒC)

C002

µ = 2.83 nV/°C

σ = 2.78 nV/°C

N = 96

dVOS / dT (maximum) = ±0.02 µV/°C

Figure 7-2. Offset Voltage Drift Distribution

Positive Input Bias Current (pA)

2.5%

7.5%

10%

12.5%

15%

17.5%

20%

22.5%

25%

27.5%

30%

32.5%

35%

-300 -240 -180 -120

-60

120

180

240

300

Figure 7-3. Input Bias Current Production Distribution

Input Offset Current (pA)

10%

15%

20%

25%

30%

35%

40%

45%

50%

-600 -480 -360 -240 -120

120

240

360

480

600

Figure 7-4. Input Offset Current Production Distribution

±5

±4

±3

±2

±1

±75

±50

±25

100

125

150

Temperature (ƒC)

C001

5 Typical Units

Figure 7-5. Offset Voltage vs Temperature

±20

±15

±10

±5

±20

±15

±10

±5

Input Common-mode Voltage (V)

C003

CM = ± 18.1 V

CM = 15.5 V

5 Typical Units

Figure 7-6. Offset Voltage vs Common-Mode Voltage

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OPA189, OPA2189, OPA4189

SBOS830G – SEPTEMBER 2017 – REVISED APRIL 2021

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