Description

The UDA1342TS is a single-chip 4 channel analog-to-digital converter and 2 channel digital-to-analog converter with signal processing features employing bitstream conversion techniques. The low power consumption and low voltage requirements make the device eminently suitable for use in low-voltage low-power portable digital audio equipment which incorporates recording and playback functions.

Specifications and features

General

• 2.7 to 3.6 V power supply
• 5 V tolerant digital inputs
• High pin compatibility with UDA1341TS
• 24 bits data path
• Selectable control via L3-bus interface, I2C-bus interface or static pin control; choice of 2 device addresses in L3-bus and I2C-bus mode
• Supports sample frequencies from 16 to 110 kHz
• Separate power control for ADC and DAC
• ADC and Programmable Gain Amplifiers (PGA) plus integrated high-pass filter to cancel DC offset
• Integrated digital filter plus DAC
• Digital silence detection
• No analog post filtering required for DAC
• Slave mode only applications
• Easy application

Application Scenarios

Eminently suitable for MiniDisc (MD) home and portable applications.

Comparison

• Low power consumption
• Low voltage requirements
• 4 channel analog-to-digital converter
• 2 channel digital-to-analog converter
• Signal processing features
• Bitstream conversion techniques

• Slave mode only applications
• Requires separate power control for ADC and DAC