AD7244AQ

更新时间： 2024-02-02 04:43:47

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器信息通信管理
页数	文件大小	规格书
12页	321K
描述
LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs

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AD7244AQ 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	DIP	包装说明：	0.300 INCH, HERMETIC SEALED, CERDIP-24
针数：	24	Reach Compliance Code：	compliant
ECCN代码：	3A001.A.2.C	HTS代码：	8542.39.00.01
风险等级：	5.9	最大模拟输出电压：	3 V
最小模拟输出电压：	-3 V	转换器类型：	D/A CONVERTER
输入位码：	2'S COMPLEMENT BINARY	输入格式：	SERIAL
JESD-30 代码：	R-GDIP-T24	JESD-609代码：	e0
最大线性误差 (EL)：	0.012%	标称负供电电压：	-5 V
位数：	12	功能数量：	2
端子数量：	24	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	CERAMIC, GLASS-SEALED
封装代码：	DIP	封装形状：	RECTANGULAR
封装形式：	IN-LINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	座面最大高度：	5.08 mm
最大稳定时间：	4 µs	标称安定时间 (tstl)：	2.5 µs
最大压摆率：	28 mA	标称供电电压：	5 V
表面贴装：	NO	技术：	CMOS
温度等级：	MILITARY	端子面层：	TIN LEAD
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.62 mm

AD7244AQ 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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AD7244JN	ROCHESTER	DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 14-BIT DAC, PDIP24, 0.300 INCH, PLASTIC, D	获取价格
AD7244JN	ADI	LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs	获取价格
AD7244JNZ	ROCHESTER	DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 14-BIT DAC, PDIP24, 0.300 INCH, PLASTIC, D	获取价格
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AD7244JR	ROCHESTER	DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 14-BIT DAC, PDSO28, PLASTIC, SOIC-28	获取价格
AD7244JRZ	ROCHESTER	DUAL, SERIAL INPUT LOADING, 2 us SETTLING TIME, 14-BIT DAC, PDSO28, PLASTIC, SOIC-28	获取价格

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