AD7244JRZ

更新时间： 2024-11-02 12:54:31

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器光电二极管信息通信管理 PC
页数	文件大小	规格书
12页	283K
描述
LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs

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AD7244JRZ 数据手册

LC²MOS Dual, Complete,

12-Bit/14-Bit Serial DACs

AD7242/AD7244

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Two 12-Bit/14-Bit DACs with Output Amplifiers

AD7242: 12-Bit Resolution

AD7244: 14-Bit Resolution

On-Chip Voltage Reference

Fast Settling Time

AD7242: 3 ␮s to ؎1/2 LSB

AD7244: 4 ␮s to ؎1/2 LSB

High Speed Serial Interface

Operates from ؎5 V Supplies

Specified Over –40؇C to +85؇C in Plastic Packages

Low Power – 130 mW typ

GENERAL DESCRIPTION

The AD7242/AD7244 is a fast, complete, dual 12-bit/14-bit

voltage output D/A converter. It consists of a 12-bit/14-bit

DAC, 3 V buried Zener reference, DAC output amplifiers and

high speed serial interface logic.

Interfacing to both DACs is serial, minimizing pin count and

allowing a small package size. Standard control signals allow

interfacing to most DSP processors and microcontrollers.

Asynchronous control of DAC updating for both DACs is made

possible with a separate LDAC input for each DAC.

PRODUCT HIGHLIGHTS

1. Complete, Dual 12-Bit/14-Bit DACs

The AD7242/AD7244 operates from ±5 V power supplies,

providing an analog output range of ±3 V. A REF OUT/REF

IN function allows the DACs to be driven from the on-chip 3 V

reference or from an external reference source.

The AD7242/AD7244 provides the complete function for

generating voltages to 12-bit/14-bit resolution. The part

features an on-chip reference, output buffer amplifiers and

two 12-bit/14-bit D/A converters.

The AD7242/AD7244 is fabricated in Linear Compatible

CMOS (LC²MOS), an advanced mixed technology process that

combines precision bipolar circuits with low power CMOS

logic. Both parts are available in a 24-pin, 0.3-inch wide, plastic

or hermetic dual-in-line package (DIP) and in a 28-pin, plastic

small outline (SOIC) package. The AD7242 and AD7244 are

available in the same pinout to allow easy upgrade from 12-bit

to 14-bit performance.

2. High Speed Serial Interface

The AD7242/AD7244 provides a high speed, easy-to-use,

serial interface allowing direct interfacing to DSP processors

and microcontrollers. A separate serial port is provided for

each DAC.

3. Small Package Size

The AD7242/AD7244 is available in a 24-pin DIP and a 28-

pin SOIC package offering considerable space saving over

comparable solutions.

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: 617/329-4700

Fax: 617/326-8703

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

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AD7244JRZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7244JRZ-REEL	ADI	完全替代	12-/14-Bit DAC, 3 V Buried Zener Reference, DAC
AD7244JR	ADI	类似代替	LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs

与AD7244JRZ相关器件

型号	品牌	获取价格	描述	数据表
AD7244JRZ-REEL	ROCHESTER	获取价格	DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 14-BIT DAC, PDSO28, PLASTIC, SOIC-28
AD7244JRZ-REEL	ADI	获取价格	12-/14-Bit DAC, 3 V Buried Zener Reference, DAC
AD7244SQ/883B	ETC	获取价格	14-Bit Digital-to-Analog Converter
AD7244SQ3	ADI	获取价格	LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7245	ADI	获取价格	LC2MOS 12-Bit DACPORT
AD7245A	ADI	获取价格	LC2MOS 12-Bit DACPORTs
AD7245A_15	ADI	获取价格	LC MOS 12-Bit DACPORTs
AD7245AAN	ADI	获取价格	LC2MOS 12-Bit DACPORTs
AD7245AAP	ADI	获取价格	LC2MOS 12-Bit DACPORTs
AD7245AAP-REEL	ROCHESTER	获取价格	PARALLEL, WORD INPUT LOADING, 7 us SETTLING TIME, 12-BIT DAC, PQCC28, PLASTIC, LCC-28

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