UDA1343TT is an economy audio CODEC with features including low power consumption, wide power supply range, TTL compatible digital inputs, support for multiple sampling frequencies, and ADC and PGA functions.
The Philips UDA1343TT is a single-chip stereo Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) employing bitstream conversion techniques. It is designed for low-power portable digital audio equipment, featuring a low power consumption range of 2.4 V to 3.6 V and a small TSSOP28 package size.
The device includes advanced audio configuration such as a digital mixer for Karaoke applications, a digital dB-linear volume control, and cosine roll-off mute. It supports sampling frequencies from 8 to 110 kHz and offers multiple format input interfaces compatible with 2S-bus and various MSB/LSB justified formats.
| Power supply range | 2.4 V to 3.6 V |
|---|---|
| Sampling frequencies | 8 to 110 kHz |
| ADC input voltage (RMS) | 2 V |
| ADC gain range | 0 to 24 dB |
| Package type | TSSOP28 |
| Ambient temperature | -40 to +85 °C |
| ADC S/N ratio | 97 dB |
| DAC S/N ratio | 100 dB |
Yes, it is equipped with a digital mixer for mixing the ADC signal directly to the playback signal.
The input voltage can be up to 2 V (RMS) when the current through the ADC input pin is limited to approximately 1 mA.