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UDA1342TS

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 frequencie...

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SeekIC No. : 004536248 Detail

UDA1342TS: 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 sta...

UDA1342TS Data Sheet

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Part Number:
UDA1342TS
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/14

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Product Details

Description



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.
Multiple format data interface
· I2S-bus, MSB-justified and LSB-justified format compatible
· 1fs to 4fs input and 1fs output format data rate. DAC digital sound processing
· Separate digital logarithmic volume control for left and right channels in L3-bus mode or I2C-bus mode
· Digital tone control, bass boost and treble in L3-bus mode or I2C-bus mode
· Digital de-emphasis for sample frequencies of 32, 44.1, 48 and 96 kHz in L3-bus mode or I2C-bus mode
· Soft or quick mute in L3-bus mode or I2C-bus mode
· Output signal polarity control in L3-bus mode or I2C-bus mode
· Digital mixer for ADC output signal and digital serial input signal.
    Advanced audio configuration
· 4 channel (2× stereo) single-ended inputs with programmable gain amplifiers and 2 channel (1 ×stereo) single-ended outputs configuration
· Output signal polarity control in L3-bus mode or I2C-bus mode
· High linearity, wide dynamic range, low distortion
· Double differential input configuration for enhanced ADC sound quality.


Application

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


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX.
UNIT
VDD supply voltage note 1 - 4
V
Txtal(max) crystal temperature - 150
Tstg storage temperature -65 +125
Tamb ambient temperature -40 +85
Vesd electrostatic discharge voltage note 2 -1100 +1100
V
note 3 -250 +250
V
Ilu(prot) latch-up protection current Tamb = 125 °C; VDD = 3.6 V - 200
mA
Isc(DAC) short-circuit current of DAC Tamb = 0 °C; VDD = 3 V; note 4
output short-circuited to VSSA(DAC)
output short-circuited to VDDA(DAC)		 -
-		 450
325
mA
mA

Notes
1. All supply connections must be made to the same power supply.
2. Equivalent to discharging a 100 pF capacitor via a 1.5 k series resistor.
3. Equivalent to discharging a 200 pF capacitor via a 0.75 H series inductor.
4. DAC operation after short-circuiting cannot be warranted.


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  onsumption 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 UDA1342TS supports the I2S-bus data format with word lengths of up to 24 bits, the MSB-justified data format with word lengths of up to 24 bits and the LSB-justified serial data format with word lengths of 16, 20 and 24 bits. The device also supports a combination of the MSB-justified output format and the LSB-justified input format.

The UDA1342TS has special sound processing features in the playback mode such as de-emphasis, volume, mute, bass boost and treble, which can be controlled by the microcontroller via the L3-bus or I2C-bus interface.




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