General Description

The AS1713 is a low cost cmos difference amplifier providing extended common mode voltage range for a single rail 5V supply. Resistor trimming during final test ensures a typical common mode rejection of 60dB. Low input bias currents, 10MHz gain bandwidth, low total harmonic distortion (THD) and a rail-to-rail output drive capability of typically 200mA (@ 5V supply) provide support for a number of signal processing applications such as audio line receivers, ground loop breakers and current sensing. Linearity is suitable for 12bit ADC measurement.

Key Features

■ Constant Output Drive Capability: 50mA

■ Rail-to-Rail Input and Output

■ Supply Current: 1.6mA

■ Single-Supply Operation: 2.7 to 5.5V

■ Voltage Gain: 1

■ Gain-Bandwidth Product: 10MHz

■ High Slew Rate: 10V/µs

■ Power-Supply Rejection Ratio: 70dB

■ Common Mode Rejection Ratio: 60dB

■ No Phase Reversal for Overdriven Inputs

■ Unity-Gain Stable for Capacitive Loads: Up to 100pF

■ Shutdown Mode Current: 1nA

■ MLPD (2x2mm) 8-pin package

Applications

The device is ideal for headphone amplifiers with ground interference rejection, infotainment high drive audio line buffers with ground interference rejection, audio differential-to-single-ended conversion and instrumentation amplifier back-end.