This document is the UDA1340 data sheet, which introduces the features and functions of the product
The Philips UDA1340 is a single-chip stereo Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) designed for low-power portable digital audio equipment. It employs bitstream conversion techniques to achieve high linearity, dynamic range, and low distortion while operating on a 2.7V to 3.6V supply.
| Supply Voltage (ADC/DAC) | 2.7 V to 3.6 V |
|---|---|
| Operating Temperature Range | -20 °C to +85 °C |
| Signal-to-Noise Ratio (ADC) | > 95 dBA |
| Total Harmonic Distortion + Noise (ADC) | -85 dB to -80 dB |
| Channel Separation | > 100 dB |
The device supports selectable system frequencies of 256 fs, 384 fs, and 512 fs.
No, no analog post filter is required for the DAC due to its inherent filter function.
It supports I2S-bus, MSB-justified, and LSB-justified serial data formats.