Data Sheet

MAX74840

analog.com

Rev. 0

3 of 17

SPECIFICATIONS

Table 1. Electrical Characteristics, VSY = ±15V

(Supply voltage (VSY) = ±15V, common-mode voltage (VCM) = output voltage (VOUT) = 0V, TA = 25°C, unless otherwise

noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

INPUT CHARACTERISTICS

Offset Voltage

VOS

±0.5

±10

mV

−40°C < TA < +125°C

±2

mV

Offset Voltage Match

±1

mV

Offset Voltage Drift

ΔVOS/ΔT

−40°C < TA < +125°C

±4

µV/°C

Input Bias Current

IB

±3

±15

pA

−40°C < TA < +125°C

±1.5

nA

VCM = −15V

−15

pA

Input Offset Current

IOS

±15

pA

−40°C < TA < +125°C

±0.5

nA

Input Voltage Range

IVR

−15.2

+14

V

Common-Mode Rejection

Ratio

CMRR

VCM = −15V to +12V

82

98

dB

−40°C < TA < +125°C

81

dB

Open-Loop Voltage Gain

AVO

RL= 10kΩ,

VOUT = −14.5V to +14.5V

117

122

dB

−40°C < TA < +125°C

109

dB

Input Capacitance

CINDM

Differential mode

0.4

pF

CINCM

Common mode

3.6

pF

Input Resistance

RDIFF

Differential mode

1013

Ω

RCM

Common mode

1013

Ω

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

ISOURCE = 1mA

14.95

14.97

V

−40°C < TA < +125°C

14.9

V

Output Voltage Low

VOL

ISINK = 1mA

−14.955 −14.935

V

−40°C < TA < +125°C

−14.88

V

Output Current

IOUT

VDROPOUT < 1V

20

mA

Short-Circuit Current

ISC

Sourcing

42

mA

Sinking

−51

mA

Closed-Loop Output

Impedance

ZOUT

f = 1kHz, AV = 1

0.1

Ω

f = 1kHz, AV = 10

0.4

Ω