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GENERAL DESCRIPTION

The UDA1345TS is a single-chip stereo Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) 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.

FEATURES

General

? Low power consumption

? 2.4 to 3.6 V power supply range with 3.0 V typical

? 5 V tolerant TTL compatible digital inputs

? 256, 384 and 512fs system clock

? Supports sampling frequencies from 8 to 100 kHz

? Non-inverting ADC plus integrated high-pass filter to cancel DC offset

? The ADC supports 2 V (RMS) input signals

? Overload detector for easy record level control

? Separate power control for ADC and DAC

? Integrated digital interpolation filter plus non-inverting DAC

? Functions controllable either by L3 microcontroller interface or via static pins

? The UDA1345TS is pin and function compatible with the UDA1344TS

? Small package size (SSOP28).