This document describes the features and characteristics of the AD8517 low voltage amplifier. The amplifier is suitable for battery-powered applications and can operate at the end of discharge voltage of most popular batteries. It offers low total harmonic distortion and noise, as well as extraordinary rail-to-rail input and output capabilities.
The document provides an overview of the AD8517 operational amplifier, highlighting its ability to operate at supply voltages as low as 1.8 V. It details features such as rail-to-rail input and output capabilities and low total harmonic distortion plus noise suitable for audio applications.
The note includes several practical circuit examples demonstrating the use of the AD8517 in various configurations, including a micropower reference voltage generator, a microphone preamplifier, and a direct access arrangement for telephone line interfaces.
The amplifier operates at supply voltages as low as 1.8 V.
The part is specified for supply ranges from 1.8 V to 5 V.
The THD + N is about 0.03% for a supply voltage of 1.8 V in a noninverting configuration with a gain of 1.