GENERAL DESCRIPTION

The AD8646 and the AD8647 are the dual, and the AD8648 is the quad, rail-to-rail, input and output, single-supply amplifiers featuring low offset voltage, wide signal bandwidth, low input voltage, and low current noise. The AD8647 also has a low power shutdown function.

FEATURES

Offset voltage: 2.5 mV maximum

Single-supply operation: 2.7 V to 5.5 V

Low noise: 8 nV/√Hz

Wide bandwidth: 24 MHz

Slew rate: 11 V/μs

Short-circuit output current: 120 mA

Qualified for automotive applications

No phase reversal

Low input bias current: 1 pA

Low supply current per amplifier: 2 mA maximum

Unity gain stable

APPLICATIONS

Battery-powered instruments

Multipole filters

ADC front ends

Sensors

Barcode scanners

ASIC input or output amplifiers

Audio amplifiers

Photodiode amplifiers

Datapath/mux/switch control