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TDA1314T - Quadruple filter DAC

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General Description

The TDA1314T is a quadruple very low noise high dynamic range DAC which is intended for use in motor cars and is controlled by the car radio DSP.

Each channel incorporates an 8th-order IIR up-sampling filter from 1ASF to 4ASF followed by a 1st-order noise shaper and DAC.

The DAC currents are converted to audio voltage signals using operational amplifiers (one per channel).

Overview

Philips Semiconductors Product specification Quadruple filter DAC.

Key Features

  • High dynamic range to enable digital DSP (Digital Signal Processor) volume control.
  • 18 bits data input format for each of the four channels.
  • Four times bit-serial oversampling filter.
  • 1st-order 4fas (audio sampling frequency) noise shaper.
  • Four very low noise DACs.
  • Only 1st-order analog post filtering required.
  • Smooth power-on of the DAC output currents.
  • Because of the automatic digital PLL divider range setting the master.

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