AD8422BRZ-R7 datasheet(3/27 Pages) AD

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Data Sheet

AD8422

Rev. B | Page 3 of 27

SPECIFICATIONS

SOIC_N

VS = ±15 V, VREF = 0 V, V+IN = 0 V, V−IN = 0 V, TA = 25°C, G = 1, and RL = 2 kΩ, unless otherwise noted.

Table 1.

Parameter

Test Conditions/

Comments

AD8422ARZ

AD8422BRZ

Unit

Min

Typ

Max

Min

Typ

Max

COMMON-MODE REJECTION RATIO

CMRR DC to 60 Hz with 1 kΩ

VCM = −10 V to +10 V

106

114

126

134

146

150

Source Imbalance

G = 1

G = 10

G = 100

G = 1000

Over Temperature, G = 1

T = −40°C to +85°C

CMRR at 10 kHz

VCM = −10 V to +10 V

G = 1

G = 10

G = 100

100

G = 1000

100

NOISE1

Voltage Noise, 1 kHz

Input Voltage Noise, eNI

VIN+, VIN−, VREF = 0 V

nV/√Hz

Output Voltage Noise, eNO

nV/√Hz

Peak to Peak, RTI

f = 0.1 Hz to 10 Hz

G = 1

µV p-p

G = 10

0.5

µV p-p

G = 100 to 1000

0.15

µV p-p

Current Noise

f = 1 kHz

110

fA/√Hz

f = 0.1 Hz to 10 Hz

pA p-p

VOLTAGE OFFSET2

Input Offset, VOSI

VS = ±2.3 V to ±15 V

µV

Over Temperature

T = −40°C to +85°C

µV

Average Temperature

Coefficient

0.4

0.3

µV/°C

Output Offset, VOSO

VS = ±2.3 V to ±15 V

300

150

µV

Over Temperature

T = −40°C to +85°C

500

300

µV

Average Temperature

Coefficient

µV/°C

Offset RTI vs. Supply (PSR)

VS = ±2.3 V to ±18 V

G = 1

110

100

120

G = 10

110

130

120

140

G = 100

124

150

140

160

G = 1000

130

150

140

160

INPUT CURRENT

Input Bias Current

VS = ±2.3 V to ±15 V

0.5

0.2

0.5

Over Temperature

T = −40°C to +85°C

Average Temperature

Coefficient

pA/°C

Input Offset Current

VS = ±2.3 V to ±15 V

0.2

0.3

0.1

0.15

Over Temperature

T = −40°C to +85°C

0.8

0.3

Average Temperature

Coefficient

pA/°C

AD8422BRZ-R7 Datasheet(PDF) 3 Page - Analog Devices

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