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AD73311LARU

更新时间： 2024-02-07 13:40:58

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
36页	380K
描述
Low Cost, Low Power CMOS General Purpose Analog Front End

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AD73311LARU 数据手册

Low Cost, Low Power CMOS

General Purpose Analog Front End

AD73311L

FEATURES

GENERAL DESCRIPTION

16-Bit A/D Converter

16-Bit D/A Converter

Programmable Input/Output Sample Rates

76 dB ADC SNR

77 dB DAC SNR

Programmable Sampling Rate

64 kS/s Maximum Sample Rate

–90 dB Crosstalk

Low Group Delay (25 ms Typ per ADC Channel,

50 ms Typ per DAC Channel)

Programmable Input/Output Gain

Flexible Serial Port Which Allows Up to Eight Devices

to Be Connected in Cascade

Single (+3 V) Supply Operation

33 mW Max Power Consumption at 2.7 V

On-Chip Reference

The AD73311L is a complete front-end processor for general

purpose applications including speech and telephony. It features

a 16-bit A/D conversion channel and a 16-bit D/A conversion

channel. Each channel provides 70 dB signal-to-noise ratio over

a voiceband signal bandwidth. The ﬁnal channel bandwidth can

be reduced, and signal-to-noise ratio improved, by external

digital ﬁltering in a DSP engine.

The AD73311L is suitable for a variety of applications in the

speech and telephony area, including low bit rate, high quality

compression, speech enhancement, recognition and synthesis.

The low group delay characteristic of the part makes it suitable

for single or multichannel active control applications.

The gains of the A/D and D/A conversion channels are program-

mable over 38 dB and 21 dB ranges respectively. An on-chip

reference voltage is included to allow single supply operation.

A serial port (SPORT) allows easy interfacing of single or cas-

caded devices to industry standard DSP engines.

20-Lead SOIC/SSOP/TSSOP Packages

APPLICATIONS

General Purpose Analog I/O

Speech Processing

The AD73311L is available in 20-lead SOIC, SSOP and

TSSOP packages.

Cordless and Personal Communications

Telephony

Active Control of Sound and Vibration

Data Communications

FUNCTIONAL BLOCK DIAGRAM

AVDD1

AVDD2

DVDD

SDI

ANALOG

LOOPBACK/

SINGLE-ENDED

ENABLE

VINP

VINN

ANALOG

SIGMA-DELTA

MODULATOR

0/38dB

PGA

DECIMATOR

SDIFS

SCLK

SDO

SERIAL

I/O

PORT

SDOFS

VOUTP

VOUTN

SWITCHED-

CONTINUOUS

TIME

DIGITAL

SIGMA-DELTA

MODULATOR

1-BIT

DAC

+6/–15dB

PGA

CAPACITOR

INTERPOLATOR

LOW-PASS FILTER

MCLK

RESET

REFCAP

REFOUT

REFERENCE

AD73311L

AGND1

DGND

AGND2

REV. A

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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AD73311LARU-REEL	ADI	IC SPECIALTY TELECOM CIRCUIT, PDSO20, TSSOP-20, Telecom IC:Other	获取价格
AD73311LARU-REEL7	ADI	IC SPECIALTY TELECOM CIRCUIT, PDSO20, TSSOP-20, Telecom IC:Other	获取价格
AD73311LARUZ	ADI	Low Cost, Low Power CMOS General Purpose Analog Front End	获取价格
AD73311LARUZ-REEL	ADI	SPECIALTY TELECOM CIRCUIT, PDSO20, TSSOP-20	获取价格
AD73311LARUZ-REEL7	ADI	SPECIALTY TELECOM CIRCUIT, PDSO20, TSSOP-20	获取价格
AD73311LARUZ-RL7	ADI	Low Cost, Low Power CMOS General Purpose Analog Front End	获取价格

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