Datasheet > EVAL-AD73311EB

EVAL-AD73311EB

更新时间： 2024-11-30 22:16:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
36页	333K
描述
Low Cost, Low Power CMOS General Purpose Analog Front End

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EVAL-AD73311EB 数据手册

Low Cost, Low Power CMOS

General Purpose Analog Front End

AD73311

FEATURES

GENERAL DESCRIPTION

16-Bit A/D Converter

16-Bit D/A Converter

Programmable Input/Output Sample Rates

75 dB ADC SNR

70 dB DAC SNR

The AD73311 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.

64 kS/s Maximum Sample Rate

–90 dB Crosstalk

Low Group Delay (25 ␮s Typ per ADC Channel,

50 ␮s Typ per DAC Channel)

Programmable Input/Output Gain

Flexible Serial Port which Allows up to 8 Devices

to Be Connected in Cascade

Single (+2.7 V to +5.5 V) Supply Operation

50 mW Max Power Consumption at 2.7 V

On-Chip Reference

The AD73311 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 pro-

grammable 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 cascaded devices to industry standard DSP engines.

20-Lead SOIC/SSOP Package

APPLICATIONS

General Purpose Analog I/O

Speech Processing

Cordless and Personal Communications

Telephony

The AD73311 is available in both 20-lead SOIC and SSOP

packages.

Active Control of Sound & Vibration

Data Communications

FUNCTIONAL BLOCK DIAGRAM

AVDD1

AVDD2

DVDD

SDI

VINP

VINN

SDIFS

ANALOG

SIGMA-DELTA

MODULATOR

0/38dB

PGA

DECIMATOR

INTERPOLATOR

SCLK

SDO

SERIAL

I/O

PORT

SDOFS

VOUTP

VOUTN

SWITCHED-

CAPACITOR

LOW-PASS FILTER

CONTINUOUS

TIME

LOW-PASS FILTER

DIGITAL

SIGMA-DELTA

MODULATOR

1-BIT

DAC

+6/–15dB

PGA

MCLK

RESET

REFCAP

REFOUT

REFERENCE

AD73311

AGND1

DGND

AGND2

REV. B

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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与EVAL-AD73311EB相关器件

型号	品牌	获取价格	描述	数据表
EVAL-AD73311EZ	ADI	获取价格	Low Cost, Low Power CMOS General Purpose Analog Front End
EVAL-AD73311LEB	ADI	获取价格	Low Cost, Low Power CMOS General Purpose Analog Front End
EVAL-AD73322EB	ADI	获取价格	EvaluationBoardforLowCost,LowPower, CMOSGerneralPurposeDualAnalogFrontEnd
EVAL-AD73322EZ	ADI	获取价格	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End
EVAL-AD73322LEB	ADI	获取价格	Low Cost, Low Power CMOS General-Purpose Dual Analog Front End
EVAL-AD73360EB	ADI	获取价格	Six-Input Channel Analog Front End
EVAL-AD73360EZ	ADI	获取价格	Six-Input Channel Analog Front End
EVAL-AD73360LEB	ADI	获取价格	AD73360L Evaluation Board, Six Input Channel Analog Front End
EVAL-AD73422EB	ADI	获取价格	Dual Low Power CMOS Analog Front End with DSP Microcomputer
EVAL-AD7352EDZ	ADI	获取价格	Differential Input, Dual, Simultaneous Sampling, 3 MSPS, 12-Bit, SAR ADC

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