AD7226KRZ

更新时间： 2024-09-23 12:33:55

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	423K
描述
LC2MOS Quad 8-Bit D/A Converter

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AD7226KRZ 数据手册

LC²MOS

Quad 8-Bit D/A Converter

AD7226

FEATURES

FUNCTIONAL BLOCK DIAGRAM

Four 8-Bit DACs with Output Amplifiers

Skinny 20-Lead DIP, SOIC, SSOP, and PLCC Packages

Microprocessor-Compatible

TTL/CMOS-Compatible

REF

No User Trims

Extended Temperature Range Operation

Single Supply Operation Possible

LATCH A

LATCH B

LATCH C

LATCH D

OUT

DAC A

DAC B

DAC C

DAC D

OUT

APPLICATIONS

Process Control

Automatic Test Equipment

Automatic Calibration of Large System Parameters,

e.g., Gain/Offset

MSB

DATA

(8-BIT)

LSB

OUT

CONTROL

LOGIC

AD7226

AGND

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7226 contains four 8-bit voltage-output digital-to-

analog converters, with output buffer amplifiers and interface

logic on a single monolithic chip. No external trims are required

to achieve full specified performance for the part.

1. DAC-to-DAC Matching

Since all four DACs are fabricated on the same chip at the

same time, precise matching and tracking between the DACs

is inherent.

Separate on-chip latches are provided for each of the four D/A

converters. Data is transferred into one of these data latches

through a common 8-bit TTL/CMOS (5 V) compatible input

port. Control inputs A0 and A1 determine which DAC is

loaded when WR goes low. The control logic is speed-compat-

ible with most 8-bit microprocessors.

2. Single-Supply Operation

The voltage mode configuration of the DACs allows the

AD7226 to be operated from a single power supply rail.

3. Microprocessor Compatibility

The AD7226 has a common 8-bit data bus with individual

DAC latches, providing a versatile control architecture for

simple interface to microprocessors. All latch enable signals

are level triggered.

Each D/A converter includes an output buffer amplifier capable

of driving up to 5 mA of output current. The amplifiers’ offsets

are laser-trimmed during manufacture, thereby eliminating any

requirement for offset nulling.

4. Small Size

Combining four DACs and four op amps plus interface logic

into a 20-pin package allows a dramatic reduction in board

space requirements and offers increased reliability in systems

using multiple converters. Its pinout is aimed at optimizing

board layout with all the analog inputs and outputs at one

end of the package and all the digital inputs at the other.

Specified performance is guaranteed for input reference voltages

from 2 V to 12.5 V with dual supplies. The part is also specified

for single supply operation at a reference of 10 V.

The AD7226 is fabricated in an all ion-implanted high speed

Linear Compatible CMOS (LC²MOS) process, which has been

specifically developed to allow high speed digital logic circuits

and precision analog circuits to be integrated on the same chip.

REV.

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

www.analog.com

781-461-3113

Fax:

12 3 4 5 6 7...16

中文翻译

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AD7226KRZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7226KRZ-REEL	ADI	完全替代	LC2MOS Quad 8-Bit D/A Converter
AD7226BRSZ	ADI	完全替代	LC2MOS Quad 8-Bit D/A Converter
AD7226KR	ADI	完全替代	LC2MOS Quad 8-Bit D/A Converter

与AD7226KRZ相关器件

型号	品牌	获取价格	描述	数据表
AD7226KRZ-REEL	ADI	获取价格	LC2MOS Quad 8-Bit D/A Converter
AD7226TCHIPS	ADI	获取价格	IC IC,D/A CONVERTER,QUAD,8-BIT,BICMOS,DIE, Digital to Analog Converter
AD7226TD	ADI	获取价格	AD7226TD
AD7226TD/883B	ADI	获取价格	IC IC,D/A CONVERTER,QUAD,8-BIT,BICMOS,DIP,20PIN, Digital to Analog Converter
AD7226TE	ETC	获取价格	8-Bit Digital-to-Analog Converter
AD7226TE/883B	ROCHESTER	获取价格	QUAD, PARALLEL, 8 BITS INPUT LOADING, 3 us SETTLING TIME, 8-BIT DAC, CQCC20, CERAMIC, LCC-
AD7226TQ	ADI	获取价格	LC2MOS Quad 8-Bit D/A Converter
AD7226TQ	MAXIM	获取价格	D/A Converter, 4 Func, CDIP20,
AD7226TQ/883B	ETC	获取价格	8-Bit Digital-to-Analog Converter
AD7228	ADI	获取价格	LC2MOS Octal 8-Bit DAC

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