AD822ARMZ IC Integrated Circuit B4A MSOP Amplifier IC Chip AD822ARMZ-REEL

AD822ARMZ AD822ARMZ-REEL B4A MSOP Amplifier IC Chip

Single-Supply, Rail-to-Rail Low Power FET-Input Op Amp

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FEATURES

True single-supply operation
Output swings rail-to-rail
Input voltage range extends below ground
Single-supply capability from 5 V to 30 V
Dual-supply capability from ±2.5 V to ±15 V
High load drive
Capacitive load drive of 350 pF, G = +1
Minimum output current of 15 mA
Excellent ac performance for low power
800 µA maximum quiescent current per amplifier
Unity-gain bandwidth: 1.8 MHz
Slew rate of 3 V/μs
Good dc performance
800 µV maximum input offset voltage
2 µV/°C typical offset voltage drift
25 pA maximum input bias current
Low noise
13 nV/√Hz at 10 kHz
No phase inversion

APPLICATIONS

Battery-powered precision instrumentation
Photodiode preamps
Active filters
12-bit to 14-bit data acquisition systems
Medical instrumentation
Low power references and regulators

GENERAL DESCRIPTION

The AD822 is a dual precision, low power FET input op amp
that can operate from a single supply of 5 V to 30 V or from
dual supplies of ±2.5 V to ±15 V. It has true single-supply capability
with an input voltage range extending below the negative rail,
allowing the AD822 to accommodate input signals below ground
while in the single-supply mode. Output voltage swing extends
to within 10 mV of each rail, providing the maximum output
dynamic range.
Offset voltage of 800 µV maximum, offset voltage drift of 2 µV/°C,
input bias currents below 25 pA, and low input voltage noise
provide dc precision with source impedances up to a gigaohm.
The 1.8 MHz unity-gain bandwidth, –93 dB total harmonic
distortion (THD) at 10 kHz, and 3 V/µs slew rate are provided
with a low supply current of 800 µA per amplifier

The AD822 drives up to 350 pF of direct capacitive load as a
follower and provides a minimum output current of 15 mA.
This allows the amplifier to handle a wide range of load conditions.
Its combination of ac and dc performance, plus the outstanding
load drive capability, results in an exceptionally versatile amplifier
for the single-supply user.
The AD822 is available in two performance grades. The A grade
and B grade are rated over the industrial temperature range of
−40°C to +85°C.
The AD822 is offered in three varieties of 8-lead packages:
PDIP, MSOP, and SOIC_N..

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