AD824 datasheet(5/16 Pages) AD

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Data Sheet

AD824

At VS = 3.0 V, VCM = 0 V, VOUT = 0.2 V, TA = 25°C; unless otherwise noted.

Table 3.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage (AD824A−3 V)

VOS

0.2

1.0

TMIN to TMAX

1.5

Input Bias Current

TMIN to TMAX

250

4000

Input Offset Current

IOS

TMIN to TMAX

250

Input Voltage Range

Common-Mode Rejection Ratio

CMRR

VCM = 0 V to 1 V

TMIN to TMAX

Input Impedance

1013||3.3

Ω||pF

Large Signal Voltage Gain

AVO

VO = 0.2 V to 2.0 V;

RL = 2 kΩ

V/mV

RL = 10 kΩ

V/mV

RL = 100 kΩ

180

500

V/mV

TMIN to TMAX, RL = 100 kΩ

250

V/mV

Offset Voltage Drift

ΔVOS/ΔT

µV/°C

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

ISOURCE = 20 µA

2.975

2.988

TMIN to TMAX

2.97

2.985

ISOURCE = 2.5 mA

2.8

2.85

TMIN to TMAX

2.75

2.82

Output Voltage Low

VOL

ISINK = 20 µA

TMIN to TMAX

ISINK = 2.5 mA

120

150

TMIN to TMAX

140

200

Short Circuit Limit

ISC

Sink/source

±8

ISC

Sink/source, TMIN to TMAX

±6

Open-Loop Impedance

ZOUT

f = 1 MHz, AV = 1

100

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = 2.7 V to 12 V,

TMIN to TMAX

Supply Current/Amplifier

ISY

VO = 0.2 V, TMIN to TMAX

500

600

µA

DYNAMIC PERFORMANCE

Slew Rate

RL =10 kΩ, AV = 1

V/µs

Full-Power Bandwidth

BWP

1% distortion, VO = 2 V p-p

300

kHz

Settling Time

VOUT = 0.2 V to 2.5 V, to 0.01%

µs

Gain Bandwidth Product

GBP

MHz

Phase Margin

φo

Degrees

Channel Separation

f = 1 kHz, RL = 2 kΩ

–123

NOISE PERFORMANCE

Voltage Noise

en p-p

0.1 Hz to 10 Hz

µV p-p

Voltage Noise Density

f = 1 kHz

nV/√Hz

Current Noise Density

0.8

fA/√Hz

Total Harmonic Distortion

THD

f = 10 kHz, RL = ∞, AV = +1

0.01

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