Datasheet > AD7729ARZ-RL

AD7729ARZ-RL

更新时间： 2024-11-07 21:14:43

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	141K
描述
3 V, Dual Sigma-Delta ADC with Auxiliary DAC

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数据手册
替代型号

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AD7729ARZ-RL 数据手册

Dual Sigma-Delta ADC

with Auxiliary DAC

AD7729

FEATURES

+3 V Supply Voltage

GENERAL DESCRIPTION

This monolithic 3 V CMOS device is a low power, two-channel,

input port with signal conditioning. The receive path is com-

posed of two high performance sigma-delta ADCs with digital

filtering. A common bandgap reference feeds the ADCs.

Baseband Serial Port (BSPORT)

Differential IRx and QRx

ADC Channels

Two 15-Bit Sigma-Delta A/D Converters

FIR Digital Filters

A control DAC is included for such functions as AFC. The auxil-

iary functions can be accessed via the auxiliary port (ASPORT).

64 dB SNR

Output Word Rate 270.83 kHz

Twos Complement Coding

On-Chip Offset Calibration

Power-Down Mode

This device is available in a 28-lead TSSOP package or a

28-lead SOIC package.

Auxiliary D/A Converter

Auxiliary Serial Port (ASPORT)

On-Chip Voltage Reference

Low Power

28-Lead TSSOP/28-Lead SOIC

APPLICATIONS

GSM Basestations

Pagers

FUNCTIONAL BLOCK DIAGRAM

DVDD2

DVDD1 DGND

AGND

AVDD1

AVDD2

ASDI

ASDIFS

ASCLK

ASDO

10-BIT

AUXDAC

AUXILIARY

SERIAL

INTERFACE

ASDOFS

ASE

DECIMATION

FIR DIGITAL

FILTER

BSDI

BSDIFS

BSCLK

BSDO

IRxP

IRxN

⌺⌬

OFFSET

ADJUST

MODULATOR

BASEBAND

SERIAL

INTERFACE

DECIMATION

FIR DIGITAL

FILTER

QRxP

QRxN

⌺⌬

OFFSET

ADJUST

MODULATOR

BSDOFS

BSE

DIVIDE BY 2

MCLK

RxON

MUX

REFCAP

REFOUT

REFERENCE

RESETB

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

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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AD7729ARZ-RL 替代型号

型号	品牌	替代类型	描述	数据表
AD7729ARZ	ADI	类似代替	Dual Sigma-Delta ADC with Auxiliary DAC

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