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AD1835A:  2 ADC, 8 DAC, 96 kHz, 24-Bit Sigma Delta Codec

The AD1835A is a high-performance single-chip CODEC featuring four 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 ...More

AD1835A:  2 ADC, 8 DAC, 96 kHz, 24-Bit Sigma Delta Codec

Product Description

The AD1835A is a high-performance single-chip CODEC featuring four 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 AD1835A also contains an on-chip reference with a nominal value of 2.25 V.

The AD1835A contains a flexible serial interface that allows for glueless connection to a variety of DSP chips, AES/EBU receivers and sample rate converters. The AD1835A can be configured in Left-Justified, Right-Justified, I2S or DSP compatible serial modes. Control of the AD1835 is achieved by means of an SPI compatible serial port. While the AD1835A 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 3.3 V power supplies.

The AD1835A is available in a 52 Lead MQFP package and is specified for the industrial temperature range of -40ºC to +85ºC.

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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"
  • Data Directed Scrambling DACs -Least Sensitive to Jitter
  • Differential Output for Optimum Performance
  • ADCs:-95 dB THD +N, 105 dB SNR and Dynamic Range
  • DACs:-95 dB THD +N, 108 dB SNR and Dynamic Range
  • On-Chip Volume Controls Per Channel with 1024 Step Linear Scale
  • DAC and ADC Software Controllable Clickless Mutes
  • Digital De-Emphasis Processing
  • Supports 256 x fS, 512 x fS, and 768 x fS Master Mode Clocks
  • Power-Down Mode Plus Soft Power-Down Mode
  • # ADC: 2
  • # DAC: 8
  • 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 AD1835A

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AD1937 4 8 107 109 107 109 ADC: -94, DAC: -94 192 kHz, 24-Bit CODEC with PLL, Differential Output, I2C Control $7.63
ADAU1361 2 2 99 101 99 101 ADC: -90, DAC: -92 Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL $2.88
SSM2602 2 2 - - 90 100 - Low Pwr, 192 kHz, 24-Bit CODEC w/ mic Bias, I2C and SPI Interface -
AD1836A 4 6 105 108 105 108 ADC: -95, DAC: -95 4 ADC, 6 DAC, 24-Bit, 96 kHz, Multibit Sigma-Delta CODEC $7.68
AD1938 4 8 107 108 107 108 ADC: -94, DAC: -94 192 kHz 24-bit CODEC w/ PLL $7.14
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AD73322L 2 2 - - 78 78 ADC: -84, DAC: -80 Dual-Channel, 3 V Front-End Processor for General Purpose Apps Including Speech and Telephony $4.86
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AD1839A 2 6 105 108 105 108 ADC: -95, DAC: -95 96 kHz, 24-bit Sigma-Delta CODEC -
AD1838A 2 6 105 108 105 108 ADC: -95, DAC: -95 96 kHz, 24-bit Sigma-Delta CODEC $8.80
AD1837A 2 8 105 108 105 108 ADC: -95, DAC: -95 96 kHz, 24-bit Sigma-Delta CODEC -
AD1835A 2 8 105 108 105 108 ADC: -95, DAC: -95 96 kHz, 24-bit Sigma Delta CODEC $9.15
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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.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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  • Pre-Release: The model has not been released to general production, but samples may be available.
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The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
Price
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

Production Availability
This is the date Analog Devices, Inc. anticipates that the product will ship from the warehouse. Most orders ship within 48 hours of this date.Once an order has been placed, Analog Devices, Inc. will send an Order Acknowledgement email to confirm your delivery date. It is important to note the scheduled dock date on the order entry screen. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. Also, please note the warehouse location for the product ordered. We have warehouses in the United States, Europe and Southeast Asia. Transit times from these sites may vary.
Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

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This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.