ADA4620-2ARZ-R7 datasheet(8/49 Pages) AD

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Data Sheet

ADA4620-1, ADA4620-2

analog.com

Rev. 0

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High Common-Mode Voltage Operation ((V+) − 4.4 V < VCM ≤ (V+))

Table 2. High Common-Mode Voltage Operation

(Supply voltage VSY = ±18 V for dual supplies, or 36 V for single supply; common-mode voltage VCM = (V+) − 2 V; TA =

25°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS/COMMENTS

MIN

TYP

MAX

UNITS

INPUT CHARACTERISTICS

Offset Voltage

VOS

±2

±15

−40°C < TA < +125°C

±15

VCM = V+

±22

±120

−40°C < TA <

+125°C

±120

Input Bias Current

±0.12

±10

−40°C < TA < +125°C

±1.5

Input Offset Current

IOS

±0.1

±6

−40°C < TA < +125°C

±125

Common-Mode

Rejection Ratio

CMRR

(V−) − 0.1 V < VCM

< V+

−40°C < TA <

+125°C

Open-Loop Voltage

Gain

AVOL

RL = 10 kΩ, VOUT = ±17.8 V

100

RL = 2 kΩ, VOUT = ±17.8 V

Input Capacitance

CINDM

Differential mode

CINCM

Common mode

18.2

Input Resistance

RINDM

Differential mode

GΩ

RINCM

Common mode

TΩ

OUTPUT CHARACTERISTICS

Closed-Loop Output

Impedance

ZOUT

f = 1 kHz, AV = +1

mΩ

f = 1 kHz, AV = +10

0.5

f = 1 kHz, AV = +100

5.5

POWER SUPPLY

Power Supply

Rejection Ratio

PSRR−

V+ = 4.5 V, VCM =

(V+) − 2 V, V−

stepped from

−31.5 V to 0 V

−40°C < TA <

+125°C

Supply Current per

Amplifier

ISY

IOUT = 0 mA, VSY =

±2.25 V, VCM = 0 V

1.1

1.2

−40°C < TA <

+125°C

1.6

IOUT = 0 mA, VSY =

±18 V

1.2

1.3

−40°C < TA <

+125°C

1.7

Operating Range

VSY

Guaranteed by PSRR

4.5

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