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TDA1314T

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 analo...

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SeekIC No. : 004516086 Detail

TDA1314T: 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· 1s...

TDA1314T Data Sheet

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Part Number:
TDA1314T
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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 clock is selectable in a wide 4fas integer range
· Insensitive to jitter on the I2S-bus signals with respect to the DAC total harmonic distortion deterioration.


Application

· Stand-alone quadruple low noise DAC
· Car radio DAC in conjunction with DSP.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VDDD digital supply voltage note 1 0 6.0 V
VDDA analog supply voltage note 1 0 6.0 V
VDDO operational amplifier supply voltage note 1 0 6.0 V
Vn voltage on any other pin   0 VDD V
Txtal crystal temperature   - +150 °C
Tstg storage temperature   -55 +150 °C
Tamb operating ambient temperature   -40 +85 °C
Ves electrostatic handling note 2 -2000 +2000 V
Notes
1. All voltages (pins 6, 7 and 15) referenced to ground.
2. Equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor.


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).




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