Preliminary Technical Data

AD8420

Rev. PrD | Page 5 of 5

GAIN2

G = 1 + (R2/R1)

Gain Range

1

1000

V/V

Gain Error

0.05

%

Gain Nonlinearity

G = 1 to 10

≥ 20 kΩ

ppm

G = 100

≥ 20 kΩ

ppm

G = 1000

≥ 20 kΩ

ppm

Gain vs. Temperature

10

ppm/°C

OUTPUT

Output Swing

V

V

V

V

V

V

Short-Circuit Current

10

mA

POWER SUPPLY

Operating Range

Dual supply operation3

±2.7

±18V

V

Quiescent Current

75

90

µA

µA

100

µA

TEMPERATURE RANGE

Specified

−40

+85

°C

Operational4

−40

+125

°C

1

The input stage uses pnp transistors, so input bias current always flows out of the part.

2

For G>1, errors from external resistors R1 and R2 should be added to these specifications, including error from FB pin bias current

3

4

See Typical Performance Curves for operation between 85°C and 125°C