AD7537SQ

更新时间： 2024-11-20 22:53:31

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
8页	209K
描述
LC2MOS (8+4) Loading Dual 12-Bit DAC

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中文翻译

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AD7537SQ 数据手册

LC MOS

(8+4) Loading Dual 12-Bit DAC

AD7537

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

Tw o 12-Bit DACs in One Package

DAC Ladder Resistance Matching: 0.5%

Space Saving Skinny DIP and Surface Mount Packages

4-Quadrant Multiplication

Low Gain Error (1 LSB m ax Over Tem perature)

Byte Loading Structure

Fast Interface Tim ing

APPLICATIONS

Autom atic Test Equipm ent

Program m able Filters

Audio Applications

Synchro Applications

Process Control

GENERAL D ESCRIP TIO N

T he AD7537 contains two 12-bit current output DACs on one

monolithic chip. A separate reference input is provided for each

DAC. T he dual DAC saves valuable board space, and the

monolithic construction ensures excellent thermal tracking.

Both DACs are guaranteed 12-bit monotonic over the full tem-

perature range.

T he AD7537 has a 2-byte (8 LSBs, 4 MSBs) loading structure.

It is designed for right-justified data format. T he control signals

for register loading are A0, A1, CS, WR and UPD. Data is

loaded to the input registers when CS and WR are low. T o

transfer this data to the DAC registers, UPD must be taken low

with WR.

P RO D UCT H IGH LIGH TS

1. DAC to DAC Matching:

Since both DACs are fabricated on the same chip, precise

matching and tracking is inherent. Many applications which

are not practical using two discrete DACs are now possible.

T ypical matching: 0.5%.

Added features on the AD7537 include an asynchronous CLR

line which is very useful in calibration routines. When this is

taken low, all registers are cleared. T he double buffering of the

data inputs allows simultaneous update of both DACs. Also,

each DAC has a separate AGND line. T his increases the device

versatility; for instance one DAC may be operated with

AGND biased while the other is connected in the standard

configuration.

2. Small Package Size:

T he AD7537 is packaged in small 24-pin 0.3" DIPs and in

28-terminal surface mount packages.

3. Wide Power Supply T olerance:

T he device operates on a +12 V to +15 V V_DD, with ±10%

tolerance on this nominal figure. All specifications are

guaranteed over this range.

T he AD7537 is manufactured using the Linear Compatible

CMOS (LC²MOS) process. It is speed compatible with most

microprocessors and accepts T T L, 74HC and 5 V CMOS logic

level inputs.

REV. 0

Inform ation furnished by Analog Devices is believed to be accurate and

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

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7 8

中文翻译

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与AD7537SQ相关器件

型号	品牌	获取价格	描述	数据表
AD7537SQ/883B	ADI	获取价格	IC DUAL, PARALLEL, 8 BITS INPUT LOADING, 0.8 us SETTLING TIME, 12-BIT DAC, CDIP24, CERDIP-
AD7537TE	ADI	获取价格	LC2MOS (8+4) Loading Dual 12-Bit DAC
AD7537TE/883B	ADI	获取价格	IC DUAL, PARALLEL, 8 BITS INPUT LOADING, 0.8 us SETTLING TIME, 12-BIT DAC, CQCC28, CERAMIC
AD7537TQ	ADI	获取价格	LC2MOS (8+4) Loading Dual 12-Bit DAC
AD7537TQ/883B	ROCHESTER	获取价格	DUAL, PARALLEL, 8 BITS INPUT LOADING, 0.8 us SETTLING TIME, 12-BIT DAC, CDIP24, CERDIP-24
AD7537UE	ADI	获取价格	LC2MOS (8+4) Loading Dual 12-Bit DAC
AD7537UE/883B	ADI	获取价格	IC DUAL, PARALLEL, 8 BITS INPUT LOADING, 0.8 us SETTLING TIME, 12-BIT DAC, CQCC28, CERAMIC
AD7537UQ	ADI	获取价格	LC2MOS (8+4) Loading Dual 12-Bit DAC
AD7537UQ/883B	ETC	获取价格	12-Bit Digital-to-Analog Converter
AD7538	ADI	获取价格	LC2MOS uP-Compatible 14-Bit DAC

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