AD8420ARMZ-R7 datasheet(7/27 Pages) AD

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AD8420

Data Sheet

Rev. A | Page 6 of 26

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

OUTPUT

Output Swing

RL = 20 kΩ to Ground

TA = +25°C

−VS + 0.13

+VS − 0.2

TA = +85°C

−VS + 0.15

+VS − 0.23

TA = –40°C

−VS + 0.11

+VS − 0.16

Short-Circuit Current

POWER SUPPLY

Operating Range

Dual-supply operation4

±2.7

±18

Quiescent Current

VS = ±15 V

TA = +25°C

120

μA

TA = +85°C

145

μA

TA = −40°C

110

μA

TEMPERATURE RANGE

Specified

−40

+85

°C

Operational5

−40

+125

°C

1 See the Typical Performance Characteristics section for the offset voltage vs. supply.

2 The input stage uses PNP transistors; therefore, input bias current always flows out of the device.

3 For G > 1, errors from External Resistor R1 and External Resistor R2 should be considered in addition to these specifications, including error from FB pin bias current.

4 Minimum positive supply voltage indicated for V+IN, V−IN, and VREF = 0 V. With V+IN, V−IN, and VREF = −VS, minimum supply is ±1.35 V.

5 See the Typical Performance Characteristics section for operation between 85°C and 125°C.

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