ADAU1761BCPZ-R7 datasheet(1/92 Pages) AD

部件名	ADAU1761BCPZ-R7

功能描述	SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL

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制造商	AD [Analog Devices]

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Data Sheet

ADAU1761

SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL

Rev. F

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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: 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

►

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: 1.8 V to 3.65 V

►

I2C and SPI control interfaces

►

Digital audio serial data I/O: stereo and time-division multiplexing

(TDM) modes

►

Software-controllable clickless mute

►

Software power-down

►

GPIO pins for digital controls and outputs

►

32-lead, 5 mm × 5 mm LFCSP

►

−40°C to +85°C operating temperature range

APPLICATIONS

►

Smartphones/multimedia phones

►

Digital still cameras/digital video cameras

►

Portable media players/portable audio players

►

Phone accessories products

GENERAL 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 com-

pression, 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 differ-

ential and three single-ended), supporting stereo headphones, an

earpiece, or other output transducer. AC-coupled or capless config-

urations 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

Figure 1.

类似零件编号 - ADAU1761BCPZ-R7

制造商	部件名	数据表	功能描述
Analog Devices	ADAU1761BCPZ-R7	1Mb / 92P	SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL REV. C
	ADAU1761BCPZ-R7	882Kb / 93P	24-Bit Audio Codec with Integrated PLL Rev. C
	ADAU1761BCPZ-R7	1Mb / 93P	Audio Codec 7/2018-Rev. C to Rev. D

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