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ADAU1761:  SIGMADSP® STEREO, LOW POWER, 96 KHZ, 24-BIT AUDIO CODEC WITH INTEGRATED PLL

   Linux Driver

The ADAU1761 is a low power, stereo audio codec with integrated digital audio processing that supports stereo 48 kHz record and playback at 14 mW from a 1.8 V analog supply. The stereo audio ADCs and DACs support sample rates from 8 kHz to 96 kHz as well as a digital volume control.

The SigmaDSP® core features 28-bit processing (56-bit double precision). The processor allows system ...More

ADAU1761:  SIGMADSP® STEREO, LOW POWER, 96 KHZ, 24-BIT AUDIO CODEC WITH INTEGRATED PLL

Product Description

The ADAU1761 is a low power, stereo audio codec with integrated digital audio processing that supports stereo 48 kHz record and playback at 14 mW from a 1.8 V analog supply. The stereo audio ADCs and DACs support sample rates from 8 kHz to 96 kHz as well as a digital volume control.

The SigmaDSP® core features 28-bit processing (56-bit double precision). The processor allows system designers to compensate for the real-world limitations of microphones, speakers, amplifiers, and listening environments, resulting in a dramatic improvement in the perceived audio quality through equalization, multiband compression, limiting, and third-party branded algorithms.

The SigmaStudio™ graphical development tool is used to program the ADAU1761. This software includes audio processing blocks such as filters, dynamics processors, mixers, and low level DSP functions for fast development of custom signal flows.

The record path includes an integrated microphone bias circuit and six inputs. The inputs can be mixed and muxed before the ADC, or they can be configured to bypass the ADC. The ADAU1761 includes a stereo digital microphone input.

The ADAU1761 includes five high power output drivers (two differential and three single-ended), supporting stereo head-phones, an earpiece, or other output transducer. AC-coupled or capless configurations are supported. Individual fine level controls are supported on all analog outputs. The output mixer stage allows for flexible routing of audio.

Applications

  • Smartphones / Multimedia phones
  • Digital Still Cameras / Digital Video Cameras
  • Portable Media Players/ Portable Audio Players
  • Phone accessories products

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TOOLS, SOFTWARE & SIMULATION MODELS

  • SigmaDSP 28-/56-bit 50 MIPS digital audio processor
  • Fully programmable with SigmaStudio graphical tool
  • 24-bit stereo audio ADC and DAC: >98 dB SNR
  • Sampling rates from 8 kHz to 96 kHz
  • Linux Driver
  • Low power: 7 mW record, 7 mW playback, 48 kHz at 1.8 V
  • 6 analog input pins, configurable for single-ended or differential inputs
  • Flexible analog input/output mixers
  • Please see data sheet for additional features
  • Instructions/Cycles: 1024
  • DAC DNR (dB): 99dB
  • DAC THD+N @ 1 kHz (-3dB): 90dB
  • Digital I/O Channels: 8/8
  • Analog I/O Channels: 2/2
  • Product Description: SigmaDSP® Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL

Functional Block Diagram for ADAU1761

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For detailed drawings and chemical composition please consult our  Package Site

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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.

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*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.