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UDA1343TT

Features: General· Low power consumption· 2.4 V to 3.6 V power supply range, with 3 V typical· 5 V tolerant TTL compatible digital inputs· 256, 384 and 512fs system clock· Supports sampling frequencies from 8 to 110 kHz· Non-inverting ADC plus integrated high-pass filter to cancel DC offset· The A...

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SeekIC No. : 004536249 Detail

UDA1343TT: Features: General· Low power consumption· 2.4 V to 3.6 V power supply range, with 3 V typical· 5 V tolerant TTL compatible digital inputs· 256, 384 and 512fs system clock· Supports sampling frequenc...

UDA1343TT Data Sheet

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Part Number:
UDA1343TT
Supply Ability:
5000

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

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Upload time: 2024/11/22

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Product Details

Description



Features:

General
· Low power consumption
· 2.4 V to 3.6 V power supply range, with 3 V typical
· 5 V tolerant TTL compatible digital inputs
· 256, 384 and 512fs system clock
· Supports sampling frequencies from 8 to 110 kHz
· Non-inverting ADC plus integrated high-pass filter to cancel DC offset
· The ADC supports 2 V (RMS) input signals
· Stereo PGA with 0 to 24 dB gain in 3 dB steps
· Overload detector for easy record level control
· Separate power control for ADC + PGA and DAC
· Integrated digital interpolation filter plus non-inverting DAC
· Functions controllable by L3 microcontroller interface
· Small package size (TSSOP28)
· ADC and DAC output polarity can be set.
Multiple format input interface
· I2S-bus, MSB-justified up to 24 bits and LSB-justified 16, 18, 20 and 24 bits format compatible
· Four combined data formats with MSB data output and LSB 16, 18, 20 and 24 bits data input
· 1fs input and output format data rate.
DAC digital sound processing
· Digital dB-linear volume control (low microcontroller load) via L3 microcontroller in 0.25 dB steps
· Digital de-emphasis for 32, 44.1, 48 and 96 kHz
· Cosine roll-soft mute.
Advanced audio configuration
· Stereo single-ended input configuration
· Stereo line output (under microcontroller volume control), no post filter required
· High linearity, dynamic range and low distortion
· Digital silence detector
· Digital mixer for mixing ADC signal and playback signal
· ADC volume control in 0.25 dB steps and cosine roll-off mute.


Application

· Portable equipment which includes audio functions
· Digital video camera.


Pinout

Connection Diagram


Specifications


SYMBOL PARAMETER CONDITIONS MIN. MAX.
UNIT
VDDD digital supply voltage                                   note 1 - 5.0
V
Txtal(max) maximum crystal temperature - 150
Tstg storage temperature -65 +125
Tamb ambient temperature -40 +85
Vesd electrostatic discharge voltage human body model;   note 2
machine model;         note 3

Notes
1. All VDD and VSS connections must be made to the same power supply.
2. According to JEDEC II specification.


Description

The UDA1343TT is a single-chip stereo Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) with basic signal processing features employing bitstream conversion techniques. The low power consumption, the small package size and low voltage requirements make the device eminently suitable for use in low-voltagelow-power portable digital audio equipment which incorporates recording and playback functions.

The UDA1343TT is equipped with a digital mixer for mixing the ADC signal directly to the playback signal (for example for Karaoke applications). In the mixing mode the ADC output signal can be output before or after the mixer.

The mixer can also be used as a selector to select between the ADC or the digital data being played back at the DAC.




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