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ADAU1977

Part Number	ADAU1977
Manufacturer	Analog Devices
Description	Quad ADC
Published	Jan 28, 2013
Detailed Description	Data Sheet Quad ADC with Diagnostics ADAU1977 FEATURES Programmable microphone bias (5 V to 9 V) with diagnostics Four...
Datasheet	ADAU1977 PDF File

Overview

Data Sheet Quad ADC with Diagnostics ADAU1977 FEATURES Programmable microphone bias (5 V to 9 V) with diagnostics Four 10 V rms capable direct-coupled differential inputs On-chip PLL for master clock Low EMI design 109 dB ADC dynamic range −95 dB THD + N Selectable digital high-pass filter 24-bit ADC with 8 kHz to 192 kHz sample rates Digital volume control with autoramp function I2C/SPI control Software-controllable clickless mute Software power-down Right justified, left justified, I2S justified, and TDM modes Master and slave operation modes 40-lead LFCSP package Qualified for automotive applications APPLICATIONS Automotive audio systems Active noise cancellation system GENERAL DESCRIPTION The ADAU1977 incorporates four high performance analog-todigital converters (ADCs) with direct-coupled inputs capable of 10 V rms.
The ADC uses multibit sigma-delta (Σ-Δ) architecture with continuous time front end for low EMI.
The ADCs can be connected to the electret microphone (ECM) directly...

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