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ADAU1461WBCPZ-R7 Datasheet(PDF) 1 Page - Analog Devices |
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ADAU1461WBCPZ-R7 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 88 page  SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL ADAU1461 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved. FEATURES 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 Low power: 17 mW record, 18 mW playback, 48 kHz 6 analog input pins, configurable for single-ended or differential inputs Flexible analog input/output mixers Stereo digital microphone input Analog outputs: 2 differential stereo, 2 single-ended stereo, 1 mono headphone output driver PLL supporting input clocks from 8 MHz to 27 MHz Analog automatic level control (ALC) Microphone bias reference voltage Analog and digital I/O: 3.3 V I2C and SPI control interfaces Digital audio serial data I/O: stereo and time-division multiplexing (TDM) modes Software-controllable clickless mute GPIO pins for digital controls and outputs 32-lead, 5 mm × 5 mm LFCSP −40°C to +105°C operating temperature range Qualified for automotive applications APPLICATIONS Automotive head units Automotive amplifiers Navigation systems Rear-seat entertainment systems GENERAL DESCRIPTION The ADAU1461 is a low power, stereo audio codec with integrated digital audio processing that supports stereo 48 kHz record and playback at 35 mW from a 3.3 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 ADAU1461. 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 ADAU1461 includes a stereo digital microphone input. The ADAU1461 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. FUNCTIONAL BLOCK DIAGRAM HP JACK DETECTION REGULATOR INPUT MIXERS ALC MICROPHONE BIAS PLL LINN LINP LAUX JACKDET/MICIN RINP RINN RAUX LHP LOUTN LOUTP ADAU1461 RHP MONOOUT ROUTP ROUTN MICBIAS OUTPUT MIXERS DAC DIGITAL FILTERS ADC DIGITAL FILTERS DAC ADC DAC ADC SDA/ COUT I2C/SPI CONTROL PORT SERIAL DATA INPUT/OUTPUT PORTS MCLK SCL/ CCLK ADDR1/ CDATA ADDR0/ CLATCH Figure 1. |
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Similar Description - ADAU1461WBCPZ-R7 |
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