AD621 datasheet(6/20 Pages) AD

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AD8426

Preliminary Technical Data

Rev. PrD | Page 6 of 20

Test Conditions/

Comments

A Grade

B Grade

Parameter

Min

Typ

Max

Min

Typ

Max

Unit

Average Temperature

Coefficient

TA = −40°C to +125°C

0.5

1.5

μV/°C

Output Offset, VOSO

1200

800

μV

Average Temperature

Coefficient

TA = −40°C to +125°C

μV/°C

Offset RTI vs. Supply (PSR)

VS = 0 V to 1.7 V

G = 1

G = 10

100

105

G = 100

105

110

G = 1000

105

110

INPUT CURRENT

Input Bias Current1

TA = +25°C

TA = +125°C

TA = −40°C

Average Temperature

Coefficient

TA = −40°C to +125°C

pA/°C

Input Offset Current

TA = +25°C

TA = +125°C

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%

2 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

G = 1

VOUT = 0.8 V to 1.8 V

0.04

0.01

G = 5 to 1000

VOUT = 0.2 V to 2.5 V

0.3

0.1

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

-100

ppm/°C

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