AD8235 datasheet(4/20 Pages) AD

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AD8235

Rev. 0 | Page 4 of 20

Parameter

Test Conditions

Min

Typ

Max

Unit

GAIN

Gain Range

G = 5 + 420 kΩ/RG

2001

V/V

Gain Error

VS = ±2.5 V, VREF = 0 V, VOUT = −2 V to +2 V

G = 5

0.005

0.05

G = 10

0.03

0.2

G = 100

0.06

0.2

G = 200

0.15

0.3

Nonlinearity

RL = 10 kΩ or 100 kΩ

G = 5

ppm

G = 10

1.2

ppm

G = 100

0.5

ppm

G = 200

0.5

ppm

Gain vs. Temperature

−40°C to +125°C

G = 5

0.35

1.5

ppm/°C

G > 10

−50

ppm/°C

INPUT

Differential Impedance

440||1.6

GΩ||pF

Common-Mode Impedance

110||6.2

GΩ||pF

Input Voltage Range

−40°C to +125°C

+VS

OUTPUT

Output Voltage High, VOH

RL = 100 kΩ

4.98

4.99

−40°C to +125°C

4.98

RL = 10 kΩ

4.9

4.95

−40°C to +125°C

4.9

Output Voltage Low, VOL

RL = 100 kΩ

−40°C to +125°C

RL = 10 kΩ

−40°C to +125°C

Short-Circuit Limit, ISC

±55

REFERENCE INPUT

RIN

−IN, +IN = 0 V

210

kΩ

IIN

Voltage Range

−VS

+VS

Gain to Output

V/V

SHUTDOWN OPERATION

Shutdown current

500

−40°C to +125°C

1.5

μA

SDN PIN INPUT VOLTAGE RANGE

VOH

−40°C to +125°C

+VS − 0.5

+VS

VOL

−40°C to +125°C

−VS

−VS + 0.5

POWER SUPPLY

Operating Range

1.8

5.5

Quiescent Current

μA

Overtemperature

−40°C to +125°C

μA

TEMPERATURE RANGE

For Specified Performance

−40

+125

°C

1 Although the specifications of the AD8235 list only low to midrange gains, gains can be set beyond 200.

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