AD7243BQ

更新时间： 2024-11-18 22:47:31

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
12页	172K
描述
LC2MOS 12-Bit Serial DACPORT

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AD7243BQ 数据手册

LC²MOS

12-Bit Serial DACPORT

AD7243

FEATURES

12-Bit CMOS DAC with

On-Chip Voltage Reference

Output Amplifier

FUNCTIONAL BLOCK DIAGRAM

Three Selectable Output Ranges

–5 V to +5 V, 0 V to +5 V, 0 V to +10 V

Serial Interface

300 kHz DAC Update Rate

Small Size: 16-Lead DIP or SOIC

Nonlinearity: ؎1/2 LSB T_MINto T_MAX

Low Power Dissipation: 100 mW Typical

REFOUT

REFIN

OFS

OUT

12 - BIT DAC

AGND

DGND

DAC LATCH

AD7243

APPLICATIONS

Process Control

INPUT SHIFT REGISTER

Industrial Automation

Digital Signal Processing Systems

Input/Output Ports

SDIN CLR

SCLK SYNC

LDAC

BIN/

DCEN SDO

COMP

The AD7243 is fabricated on Linear Compatible CMOS

(LC²MOS), an advanced, mixed technology process. It is pack-

aged in 16-lead DIP and 16-lead SOIC packages.

GENERAL DESCRIPTION

The AD7243 is a complete 12-bit, voltage output, digital-to-

analog converter with output amplifier and Zener voltage refer-

ence on a monolithic CMOS chip. No external trims are

required to achieve full specified performance.

PRODUCT HIGHLIGHTS

1. Complete 12-Bit DACPORT^®

The output amplifier is capable of developing +10 V across a

2 kΩ load. The output voltage ranges with single supply opera-

tion are 0 V to +5 V or 0 V to +10 V, while an additional bipo-

lar 5 V output range is available with dual supplies. The ranges

are selected using the internal gain resistor.

The AD7243 is a complete, voltage output, 12-bit DAC on

a single chip. The single chip design is inherently more

reliable than multichip designs.

2. Single or Dual Supply Operation.

3. Minimum 3-wire interface to most DSP processors.

4. DAC Update Rate–300 kHz.

The data format is natural binary in both unipolar ranges, while

either offset binary or two’s complement format may be selected

in the bipolar range. A CLR function is provided which sets the

output to 0 V in both unipolar ranges and in the two’s comple-

ment bipolar range, while with offset binary data format, the

output is set to –REFIN. This function is useful as a power-on

reset as it allows the output to be set to a known voltage level.

5. Serial Data Output allows easy daisy-chaining in multiple

DAC systems.

The AD7243 features a fast versatile serial interface which

allows easy connection to both microcomputers and 16-bit digi-

tal signal processors with serial ports. The serial data may be

applied at rates up to 5 MHz allowing a DAC update rate of

300 kHz. A serial data output capability is also provided which

allows daisy chaining in multi-DAC systems. This feature allows

any number of DACs to be used in a system with a simple

4-wire interface. All DACs may be updated simultaneously

using LDAC.

DACPORT is a registered trademark of Analog Devices, Inc.

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: 781/329-4700

Fax: 781/326-8703

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

12 3 4 5 6 7...12

中文翻译

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AD7243BQ 替代型号

型号	品牌	替代类型	描述	数据表
AD7243ANZ	ADI	完全替代	LC2MOS 12-Bit Serial DACPORT
5962-9320401MEA	ADI	类似代替	CMOS, 12-Bit Serial DACPORT
AD7243AQ	ADI	类似代替	LC2MOS 12-Bit Serial DACPORT

与AD7243BQ相关器件

型号	品牌	获取价格	描述	数据表
AD7243BR	ADI	获取价格	LC2MOS 12-Bit Serial DACPORT
AD7243BRZ	ADI	获取价格	CMOS, 12-Bit Serial DACPORT
AD7243BRZ-REEL	ADI	获取价格	SERIAL INPUT LOADING, 5us SETTLING TIME, 12-BIT DAC, PDSO16, SOIC-16
AD7243SQ	ETC	获取价格	STANDARD MICROCIRCUIT DRAWING
AD7243SQ/883B	ETC	获取价格	12-Bit Digital-to-Analog Converter
AD7243SQ2	ADI	获取价格	LC2MOS 12-Bit Serial DACPORT
AD7243SQ883B	ETC	获取价格	STANDARD MICROCIRCUIT DRAWING
AD7244	ADI	获取价格	LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7244_15	ADI	获取价格	LC MOS Dual, Complete, 12-Bit/14-Bit Serial DACs
AD7244AQ	ADI	获取价格	LC2MOS Dual, Complete, 12-Bit/14-Bit Serial DACs

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