UDA1344TS

Low-voltage low-power stereo audio CODEC with DSP features


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The UDA1344TS 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.

The UDA1344TS supports the I²S-bus data format with word lengths of up to 20 bits, the MSB-justified data format with word lengths of up to 20 bits and the LSB-justified data format with word lengths of 16, 18 and 20 bits. The UDA1344TS also supports three combined data formats with MSB-justified data output and LSB-justified 16, 18 and 20 bits data input.

The UDA1344TS can be controlled either via static pins or via the L3 interface. In the L3 mode the UDA1344TS has special Digital Sound Processing (DSP) features in playback mode such as de-emphasis, volume control, bass boost, treble and soft mute.

Features and benefits

  • Low power consumption
  • 3.0 V power supply
  • System clock of 256fs , 384fs and 512fs
  • Supports sampling frequencies from 8 to 55 kHz
  • Non-inverting ADC plus integrated high-pass filter to cancel DC offset
  • 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 via L3 microcontroller interface or via static pins
  • UDA1344TS is pin and function compatible with UDA1340M
  • Small package size (SSOP28)
  • Easy application.
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Show functional diagram

Block diagram: UDA1344TS
Block diagram: UDA1344TS

Parametrics of this product

Type numberPackagePackage nameProduct statusProduct descriptionInput formatsOutput formatsControl InterfaceVP [min - max](V)T[min] - [max](&)Resolution [max](8451;)Sampling rate [min] - [max](Bits)Power dissipation [Typ](kHz)ADC SNR [Typ](mW)DAC SNR [Typ](dB)Remarks(dB)
UDA1344TSSOT341-1
(SSOP28)		SSOP28Production2x Stereo audio ADC, stereo audio DAC, with basic audio processingAnalog, I2SAnalog, I2SL3, Static2.7 - 3.6-40 - +85208 - 557095100Gain switch, Vol. control, equalizer

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Products / Packages

Type numberOrderable part numberOrdering code (12NC)Product statusPackagePackingMarking
UDA1344TS/N2UDA1344TS/N2,5129352 617 90512Volume productionSOT341-1
(SSOP28) 		Tube Dry PackStandard Marking
UDA1344TS/N2UDA1344TS/N2,5189352 617 90518Volume productionSOT341-1
(SSOP28) 		Reel Dry Pack, SMD, 13"Standard Marking

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHSLeadfree conversion dateRHFIFR (FIT)MTBF (hours)MSLMSL LF
UDA1344TS/N2UDA1344TS/N2,512UDA1344TS/N2week 18, 200522
UDA1344TS/N2UDA1344TS/N2,518UDA1344TS/N2week 18, 200522
Quality and reliability disclaimer

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Documentation for this product

TypeFormatTitleDate
Data sheetpdfLow-voltage low-power stereo audio CODEC with DSP features (v.5.1)2010-05-18

Ordering & availability

Type numberOrdering code(12NC)Orderable part numberRegionDistributorIn stockOrder quantityInventory dateBuy onlineSamples
UDA1344TS/N29352 617 90512UDA1344TS/N2,512NAMOUSER ELECTRONICS6255/23/2012Buy onlinenot available
   NAMOUSER ELECTRONICS6255/23/2012Buy online 
   NADIGI-KEY CORPORATION4365/23/2012Buy online 
   NANEWARK/ELEMENT14205/23/2012Buy online 
   EUFARNELL205/23/2012Buy online 
   ASIAELEMENT14 APAC205/23/2012Buy online 
   JAPANCHIP ONE STOPyes05/14/2012Buy online 
UDA1344TS/N29352 617 90518UDA1344TS/N2,518NANEWARK/ELEMENT14205/23/2012Buy online 
   EUFARNELL205/23/2012Buy online 
   ASIAELEMENT14 APAC205/23/2012Buy online 
   JAPANCHIP ONE STOPno05/14/2012Buy online 

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