AD7723BS

更新时间： 2024-09-16 22:49:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
23页	438K
描述
16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC

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数据手册
替代型号

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AD7723BS 数据手册

16-Bit, 1.2 MSPS

CMOS, Sigma-Delta ADC

AD7723

FEATURES

FUNCTIONAL BLOCK DIAGRAM

16-Bit Sigma-Delta ADC

1.2 MSPS Output Word Rate

32/16

Oversampling Ratio

Low-Pass and Band-Pass Digital Filter

Linear Phase

REF2

REF1

2.5V

REFERENCE

AD7723

AGND

VIN(+)

VIN(–)

FIR

FILTER

MODULATOR

On-Chip 2.5 V Voltage Reference

Standby Mode

DGND

Flexible Parallel or Serial Interface

Crystal Oscillator

Single +5 V Supply

XTAL_OFF

XTAL

UNI

HALF_PWR

XTAL

CLOCK

CLKIN

STBY

MODE 1

DGND/DB15

DGND/DB14

MODE 2

SCR/DB13

SLDR/DB12

SLP/DB11

TSI/DB10

FSO/DB9

SYNC

DV /CS

CONTROL

LOGIC

CFMT/RD

DGND/DRDY

DGND/DB0

DOE/

DB4

DGND/ DGND/ DGND/

DB1 DB2 DB3

SFMT/ FSI/ SCO/ SDO/

DB5 DB6 DB7 DB8

The part provides an on-chip 2.5 V reference. Alternatively, an

external reference can be used.

GENERAL DESCRIPTION

The AD7723 is a complete 16-bit, sigma-delta ADC. The part

operates from a +5 V supply. The analog input is continuously

sampled, eliminating the need for an external sample-and-hold.

The modulator output is processed by a finite impulse response

(FIR) digital filter. The on-chip filtering combined with a high

oversampling ratio reduces the external antialias requirements

to first order in most cases. The digital filter frequency response

can be programmed to be either low pass or band pass.

A power-down mode reduces the idle power consumption to

200 µW.

The AD7723 is available in a 44-lead PQFP package and is

specified over the industrial temperature range from –40°C to

+85°C.

Two input modes are provided, allowing both unipolar and

bipolar input ranges.

The AD7723 provides 16-bit performance for input bandwidths

up to 460 kHz at an output word rate up to 1.2 MHz. The

sample rate, filter corner frequencies and output word rate are

set by the crystal oscillator or external clock frequency.

Data can be read from the device in either serial or parallel

format. A stereo mode allows data from two devices to share a

single serial data line. All interface modes offer easy, high speed

connections to modern digital signal processors.

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

12 3 4 5 6 7...23

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AD7723BS 替代型号

型号	品牌	替代类型	描述	数据表
AD7723BSZ-REEL	ADI	类似代替	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7723BSZ	ADI	功能相似	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7723BS-REEL	ADI	功能相似	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC

与AD7723BS相关器件

型号	品牌	获取价格	描述	数据表
AD7723BS-REEL	ADI	获取价格	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7723BSZ	ADI	获取价格	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7723BSZ1	ADI	获取价格	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7723BSZ-REEL	ADI	获取价格	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7723BSZ-REEL1	ADI	获取价格	16-Bit, 1.2 MSPS CMOS, Sigma-Delta ADC
AD7724	ADI	获取价格	Dual CMOS Modulators
AD7724AST	ADI	获取价格	Dual CMOS Modulators
AD7724AST-REEL	ADI	获取价格	Dual CMOS - Modulators
AD7724ASTZ-REEL	ADI	获取价格	Dual, 7th-Order, Sigma-Delta Modulator
AD7724BS	ADI	获取价格	IC 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL/PARALLEL ACCESS, PQFP44, PLASTIC, QFP-44, Analog to

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