AD8235

Data Sheet

Rev. A | Page 6 of 20

Parameter

Test Conditions

Min

Typ

Max

Unit

GAIN

Gain Range

5

V/V

Gain Error

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

G = 5

1

10

ppm

G = 10

1

10

ppm

G = 100

0.5

10

ppm

G = 200

0.4

10

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

0

V

OUTPUT

1.78

1.79

V

−40°C to +125°C

1.78

V

1.65

1.75

V

−40°C to +125°C

1.65

V

2

5

mV

−40°C to +125°C

5

mV

12

25

mV

−40°C to +125°C

25

mV

±6

mA

REFERENCE INPUT

−IN, +IN = 0 V

210

kΩ

20

nA

Voltage Range

V

Gain to Output

1

V/V

SHUTDOWN OPERATION

Shutdown Current

6

500

nA

−40°C to +125°C

1.5

µA

SDN PIN INPUT VOLTAGE RANGE

−40°C to +125°C

V

−40°C to +125°C

V

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.