5.7 Amplifier A1, A2 Performance

at TA = 25°C, RL = 10 kΩ, VREF = 0 V, VCM = VS / 2, and G = 0.1 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INPUT

VOS

Offset voltage, VO

RTI, VS = ±15 V, VCM = VO = 0 V

±0.5

mV

Offset voltage drift

RTI, TA = –40℃ to 85℃

±1

µV/°C

VCM

Common-mode voltage (1) VIN = VO = 0 V

VS– to (VS+) –1

V

CMRR

Common-mode voltage

rejection

VCM = VS– to (VS+) –1

90

dB

GAIN

AOL

Open Loop Gain

110

dB

BIAS CURRENT

IB

Bias Current

±50

nA

IOS

Offset Current

±5

nA

OUTPUT

Resistor at VO1

Initial

10

kΩ

Error at VO1

±1

%

Error drift at VO1

±100

ppm/

℃

(1)

Input common-mode voltage varies with output voltage; see Typical Characteristics.

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INA146

SBOS109A – SEPTEMBER 1999 – REVISED NOVEMBER 2023

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