AD8672AR datasheet(3/4 Pages) AD

No. de pieza	AD8672AR

Descripción Electrónicos	Precision Very Low Noise Low Input Bias Current Operational Amplifiers

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Fabricante Electrónico	AD [Analog Devices]

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PRELIMINARY TECHNICAL DATA

Preliminary Technical Data

AD8671/AD8672/AD8674

Rev0.2 2/21/02

ELECTRICALCHARACTERISTICS (@ V

S= ±15V, VCM = 0V, T A=+25°C unless noted)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

INPUT CHARACTERISTICS

Offset Voltage

VOS

75

µV

-40°< TA < +125°C

175

µV

Input Bias Current

IB

-10

10

nA

Input Offset Current

IOS

-10

10

nA

Input Voltage Range

-12.5

12.5

V

Common-Mode Rejection Ratio

CMRR

VCM = -12V to 12V

110

140

dB

Large Signal Voltage Gain

AVO

RL = 2 kΩ , Vo = -10V to 10V

1000

6000

V/mV

Offset Voltage Drift

∆V

OS/∆T

-40°< TA < +125°C

0.3

1

µV/°C

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

IL = 10 mA, -40°C to +125°C

-10

13.5

V

Output Voltage Low

VOL

IL = 10 mA, -40°C to +125°C

-13.5

10

V

Output Current

IOUT

±20

mA

Short Circuit Current

ISC

±30

mA

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = ±2.5 V to ±15 V

110

130

dB

Supply Current/Amplifier

ISY

VO = 0V

3000

3500

µA

-40°<TA < +125°C

4000

µA

DYNAMIC PERFORMANCE

Slew Rate

SR

RL =2 kΩ

4

V/

µs

Gain Bandwidth Product

GBP

10

MHz

NOISE PERFORMANCE

Voltage Noise

en p-p

0.1 Hz to 10 Hz

0.08

µV p-p

Voltage Noise Density

en

f = 1 kHz

3

nV/

√Hz

Current Noise Density

in

f = 1 kHz

0.2

pA/

√Hz

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