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AD1839A:  2 ADC, 6 DAC 96 kHz, 24-Bit Sigma Delta Codec

The AD1839S is a high-performance single-chip CODEC featuring three stereo DACs and one stereo ADC.

Each DAC comprises a high-performance digital interpolation filter, a multi-bit sigma-delta modulator featuring Analog Devices patented technology and a continuous-time voltage out analog section. Each DAC has independent volume control and clickless mute functions. The ADC comprises ...More

AD1839A:  2 ADC, 6 DAC 96 kHz, 24-Bit Sigma Delta Codec

Product Description

The AD1839S is a high-performance single-chip CODEC featuring three stereo DACs and one stereo ADC.

Each DAC comprises a high-performance digital interpolation filter, a multi-bit sigma-delta modulator featuring Analog Devices patented technology and a continuous-time voltage out analog section. Each DAC has independent volume control and clickless mute functions. The ADC comprises two 24-bit conversion channels with multi-bit sigma-delta modulators and decimation filters.

The AD1839A also contains an on-chip reference with a nominal value of 2.25 V.

The AD1839A contains a flexible serial interface that allows for glueless connection to a variety of DSP chips, AES/EBU receivers and sample rate converters. The AD1839A can be configured in Left-Justified, Right-Justified, I2S or DSP compatible serial modes. Control of the AD1839A is achieved by means of an SPI compatible serial port. While the AD1839A can be operated from a single 5 V supply, it also features a separate supply pin for its digital interface, which allows the device to be interfaced to other devices using 3.3V power supplies.

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TRAINING, TUTORIALS & SEMINARS

  • 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface
  • Supports up to 96 kHz Sample Rates, 192 kHz Sample Rate available on one DAC
  • Supports 16-/20-/24-Bit Word Lengths
  • Multibit Sigma-Delta Modulators with "Perfect Differential Linearity Restoration" for Reduced Idle Tones and Noise Floor
  • Data Directed Scrambling DACs -Least Sensitive to Jitter
  • 52-Lead MQFP Plastic Package
  • Single-Ended Outputs
    - ADCs:-95 dB THD +N, 105 dB SNR
    and Dynamic Range

    - DACs:-92 dB THD +N, 108 dB SNR
    and Dynamic Range
  • On-Chip Volume Controls Per Channel with 1024 Step Linear Scale
  • Flexible Serial Data Port with Right-Justified, Left-Justified, I2S-Compatible and DSP Serial Port Modes
  • TDM Interface Mode Supports 8 In/8 Out Using Single SHARC® SPORT
  • # ADC: 2
  • # DAC: 6
  • ADC Dynamic Range (dB): 105dB
  • ADC SNR (dB): 105dB
  • DAC Dynamic Range (dB): 108dB
  • DAC SNR (dB): 108dB
  • THD+N (dB): ADC: -95,DAC: -95
  • Product Description: 96 kHz, 24-bit Sigma-Delta CODEC

Functional Block Diagram for AD1839A

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* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
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