This document describes the STEVAL-CCA023V1 demonstration board, specifically designed to evaluate the TS472 microphone preamplifier. The document provides information on the layout of the demonstration board and its components.
The document details the STEVAL-CCA023V1 demonstration board, which is specifically designed for evaluating the TS472 low noise microphone preamplifier. The note covers the layout of the board and its components to assist users in customizing evaluation conditions.
Key features of the evaluation include setting the adjustable gain of the TS472 device using P5 connectors and utilizing the built-in 2.0 V bias voltage or an external bias for electret microphones via P6 and P7 connectors.
| Equivalent input noise | 10 nV/VHz typ. at F = 1 kHz |
|---|---|
| Supply voltage range | 2.2 to 5.5 V single supply |
| Power consumption (20 dB) | 1.8 mA |
| Start-up time (0 dB) | 5 ms typ. |
| Distortion | 0.1% typ. |
| Bandwidth | 40 kHz at -3 dB |
| Microphone bias output | 2.0 V |
The board is designed to evaluate the TS472 microphone preamplifier and helps users customize conditions for evaluation testing.
The board supports a power supply voltage ranging from 2.2 V to 5.5 V.