AD621 datasheet(4/20 Pages) AD

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AD8426

Preliminary Technical Data

Rev. PrD | Page 4 of 20

Test Conditions/

Comments

A Grade

B Grade

Parameter

Min

Typ

Max

Min

Typ

Max

Unit

TA = −40°C

Average Temperature

Coefficient

TA = −40°C to +125°C

pA/°C

REFERENCE INPUT

RIN

100

kΩ

IIN

μA

Voltage Range

−VS

+VS

−VS

+VS

Reference Gain to Output

V/V

Reference Gain Error

0.01

DYNAMIC RESPONSE

Small-Signal −3 dB Bandwidth

G = 1

1500

kHz

G = 10

160

kHz

G = 100

kHz

G = 1000

kHz

Settling Time 0.01%

10 V step

G = 1

μs

G = 10

μs

G = 100

μs

G = 1000

350

μs

Slew Rate

G = 1

0.4

V/μs

G = 5 to 100

0.6

V/μs

GAIN

G = 1 + (49.4 kΩ/RG)

Gain Range

1000

V/V

Gain Error

VOUT ± 10 V

G = 1

0.05

0.02

G = 5 to 1000

0.3

0.15

Gain Nonlinearity

VOUT = −10 V to +10 V

G = 1 to 10

RL ≥ 2 kΩ

ppm

G = 100

RL ≥ 2 kΩ

ppm

G = 1000

RL ≥ 2 kΩ

750

ppm

Gain vs. Temperature2

G = 1

TA = −40°C to +85°C

ppm/°C

TA = +85°C to +125°C

ppm/°C

G > 1

TA = −40°C to +125°C

−100

ppm/°C

INPUT

VS = ±1.35 V to +36 V

Input Impedance

Differential

0.8||2

GΩ||pF

Common Mode

0.4||2

GΩ||pF

Input Operating Voltage

Range3

TA = +25°C

−VS − 0.1

+VS − 0.8

−VS − 0.1

+VS − 0.8

TA = +125°C

−VS − 0.05

+VS − 0.6

−VS − 0.05

+VS − 0.6

TA = −40°C

−VS − 0.15

+VS − 0.9

−VS − 0.15

+VS − 0.9

Input Overvoltage Range

TA = −40°C to +125°C

+VS − 40

−VS + 40

+VS − 40

−VS + 40

OUTPUT

Output Swing

RL = 2 kΩ to Ground

TA = +25°C

−VS + 0.4

+VS − 0.7

−VS + 0.4

+VS − 0.7

TA = +125°C

−VS + 0.4

+VS − 1.0

−VS + 0.4

+VS − 1.0

TA = −40°C

−VS + 1.2

+VS − 1.1

−VS + 1.2

+VS − 1.1

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