PGA2500 Description
The PGA2500 is a digitally controlled, analog microphone preamplifier designed for use as a front end for highperformance audio analog-to-digital converters (ADCs).
PGA2500 Key Features
- Gain Range: 10dB through 65dB, 1dB per step
- Unity (0dB) Gain Setting via Serial Port or Dedicated Control Pin Dynamic Performance
- Equivalent Input Noise with ZS = 150Ω and Gain = 30dB: -128dBu
- Total Harmonic Distortion plus Noise (THD+N) with Gain = 30dB: 0.0004% Zero Crossing Detection Minimizes Audible Artifac
- Simple Interface to Microprocessor or DSP Serial Ports
- Supports Daisy-Chaining of Multiple PGA2500 Devices Dedicated Input Pin for Selecting Unity Gain Overload Output Pin Pro