AD7538AQ

更新时间： 2024-09-30 22:53:31

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
8页	150K
描述
LC2MOS uP-Compatible 14-Bit DAC

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AD7538AQ 数据手册

LC MOS

␮P-Compatible 14-Bit DAC

AD7538

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

All Grades 14-Bit Monotonic Over the Full Tem perature

Range

Low Cost 14-Bit Upgrade for 12-Bit System s

14-Bit Parallel Load w ith Double Buffered Inputs

Sm all 24-Pin, 0.3؆ DIP and SOIC

Low Output Leakage (<20 nA) Over the Full

Tem perature Range

APPLICATIONS

Microprocessor Based Control System s

Digital Audio

Precision Servo Control

Control and Measurem ent in High Tem perature

Environm ents

P RO D UCT H IGH LIGH TS

GENERAL D ESCRIP TIO N

1. Guaranteed Monotonicity

T he AD7538 is a 14-bit monolithic CMOS D/A converter

which uses laser trimmed thin-film resistors to achieve excellent

linearity.

T he AD7538 is guaranteed monotonic to 14-bits over the

full temperature range for all grades.

2. Low Cost

T he DAC is loaded by a single 14-bit wide word using standard

Chip Select and Memory Write Logic. Double buffering, which

is optional using LDAC, allows simultaneous update in a sys-

tem containing multiple AD7538s.

T he AD7538, with its 14-bit dynamic range, affords a low

cost solution for 12-bit system upgrades.

3. Small Package Size

T he AD7538 is packaged in a small 24-pin, 0.3" DIP and a

24-pin SOIC.

A novel low leakage configuration (U.S. Patent No. 4,590,456)

enables the AD7538 to exhibit excellent output leakage current

characteristics over the specified temperature range.

4. Low Output Leakage

By tying V_SS(Pin 24) to a negative voltage, it is possible to

achieve a low output leakage current at high temperatures.

T he AD7538 is manufactured using the Linear Compatible

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

microprocessors and accepts T T L or CMOS logic level inputs.

5. Wide Power Supply T olerance

T he device operates on a +12 V to +15 V V_DD, with a ±5%

tolerance on this nominal figure. All specifications are

guaranteed over this range.

REV. A

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

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与AD7538AQ相关器件

型号	品牌	获取价格	描述	数据表
AD7538BQ	ADI	获取价格	LC2MOS uP-Compatible 14-Bit DAC
AD7538JCWG	ETC	获取价格	14-Bit Digital-to-Analog Converter
AD7538JN	ADI	获取价格	LC2MOS uP-Compatible 14-Bit DAC
AD7538JNZ	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538JNZ1	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538JR	ADI	获取价格	LC2MOS uP-Compatible 14-Bit DAC
AD7538JR-REEL	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538JRZ	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538JRZ1	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538JRZ-REEL	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC

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