AD628 datasheet(4/20 Pages) AD

部件名	AD628

功能描述	High Common-Mode Voltage Programmable Gain Difference Amplifier

PDF	20 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

4 / 20 page

AD628

Rev. C | Page 4 of 20

AD628AR

AD628ARM

Parameter

Conditions

Min

Typ

Max

Min

Typ

Max

Unit

OUTPUT AMPLIFIER

Gain Equation

G = (1 + REXT1/REXT2).

V/V

Nonlinearity

G = +1, VOUT = ±10 V.

0.5

ppm

Offset Voltage

RTI of output amp.

−0.15

+0.15

−0.15

+0.15

vs. Temperature

0.6

µV/°C

Output Voltage Swing

RL = 10 kΩ.

−14.2

+14.1

−14.2

+14.1

RL = 2 kΩ.

−13.8

+13.6

−13.8

+13.6

Bias Current

1.5

Offset Current

0.2

0.5

0.2

0.5

CMRR

VCM = ±13 V.

130

Open-Loop Gain

VOUT = ±13 V.

130

POWER SUPPLY

Operating Range

±2.25

±18

±2.25

±18

Quiescent Current

1.6

TEMPERATURE RANGE

–40

+85

–40

+85

°C

1 To use a lower gain, see the Gain Adjustment section.

2The addition of the difference amp’s and output amp’s offset voltage does not exceed this specification.

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