ADAU1381

更新时间： 2024-09-28 06:36:15

品牌	Logo	应用领域
亚德诺 - ADI		解码器编解码器
页数	文件大小	规格书
84页	857K
描述
Low Noise Stereo Codec with Enhanced Recording and Playback Processing

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中文翻译

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数据手册

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ADAU1381 数据手册

Low Noise Stereo Codec with Enhanced

Recording and Playback Processing

ADAU1381

FEATURES

GENERAL DESCRIPTION

24-bit stereo audio ADC and DAC

The ADAU1381 is a low power, 24-bit stereo audio codec. The

low noise DAC and ADC support sample rates from 8 kHz to

96 kHz. Low current draw and power saving modes make the

ADAU1381 ideal for battery-powered audio applications.

400 mW speaker amplifier (into 8 Ω load)

Built-in sound engine for audio processing

Wind noise detection and autofiltering

Enhanced stereo capture (ESC)

A configurable sound engine provides enhanced record and

playback processing to improve overall audio quality.

Dual-band automatic level control (ALC)

6-band equalizer, including notch filter

Sampling rates from 8 kHz to 96 kHz

Stereo pseudo differential microphone input

Optional stereo digital microphone input pulse-density

modulation (PDM)

Stereo line output

PLL supporting a range of input clock rates

Analog and digital I/O 1.8 V to 3.3 V

Software control via SigmaStudio graphical user interface

Software-controllable, clickless mute

Software register and hardware pin standby mode

32-lead, 5 mm × 5 mm LFCSP or 30-ball, 6 × 5 bump WLCSP

The record path includes two digital stereo microphone inputs

and an analog stereo input path. The analog inputs can be

configured for either a pseudo differential or a single-ended

stereo source. A dedicated analog beep input signal can be

mixed into any output path. The ADAU1381 includes a stereo

line output and speaker driver, which makes the device capable of

supporting dynamic speakers.

The serial control bus supports the I²C® or SPI protocols, and

the serial audio bus is programmable for I²S, left-justified, right-

justified, or TDM mode. A programmable PLL supports flexible

clock generation for all standard rates and available master clocks

from 11 MHz to 20 MHz.

APPLICATIONS

Digital still cameras

Digital video cameras

FUNCTIONAL BLOCK DIAGRAM

ADAU1381

REGULATOR

BEEP

PGA

SOUND ENGINE

AOUTL

AOUTR

LMIC/LMICN/

MICD1

DECIMATION

FILTERS

LEFT

PGA

ADC

DAC

WIND NOISE

NOTCH FILTER

EQUALIZER

LMICP

OUTPUT

MIXER

RMIC/RMICN/

MICD2

SPP

SPN

DIGITAL VOLUME

CONTROL

RIGHT

DAC

PGA

ADC

RMICP

PDN

AUTOMATIC LEVEL

CONTROL

SERIAL DATA

INPUT/OUTPUT PORTS

I C/SPI

CONTROL PORT

MICROPHONE

BIAS

MICBIAS

PLL

Figure 1.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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中文翻译

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与ADAU1381相关器件

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ADAU1381BCBZ-RL	ADI	获取价格	Low Noise Stereo Codec with Enhanced Recording and Playback Processing
ADAU1381BCBZ-RL7	ADI	获取价格	Low Noise Stereo Codec with Enhanced Recording and Playback Processing
ADAU1381BCPZ	ADI	获取价格	Low Noise Stereo Codec with Enhanced Recording and Playback Processing
ADAU1381BCPZ-RL	ADI	获取价格	Low Noise Stereo Codec with Enhanced Recording and Playback Processing
ADAU1381BCPZ-RL7	ADI	获取价格	Low Noise Stereo Codec with Enhanced Recording and Playback Processing
ADAU1382BCPZ	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQCC32, 5 X 5 MM, ROHS COMPLIANT, MO-220VHHD2, LFCSP-32, Co
ADAU1382BCPZ-R7	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQCC32, 5 X 5 MM, ROHS COMPLIANT, MO-220VHHD2, LFCSP-32, Co
ADAU1401	ADI	获取价格	SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
ADAU1401A	ADI	获取价格	SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
ADAU1401AWBSTZ	ADI	获取价格	SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs

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