AD7538JRZ

更新时间： 2024-11-21 12:36:11

品牌	Logo	应用领域
亚德诺 - ADI		转换器数模转换器微处理器光电二极管信息通信管理 PC
页数	文件大小	规格书
16页	306K
描述
LC2MOS Microprocessor-Compatible 14-Bit DAC

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AD7538JRZ 数据手册

LC²MOS

Microprocessor-Compatible 14-Bit DAC

AD7538

FUNCTIONAL BLOCK DIAGRAM

FEATURES

All grades 14-bit monotonic over the full temperature range

Low cost, 14-bit upgrade for 12-bit systems

14-bit parallel load with double buffered inputs

Small 24-pin, 0.30” DIP and SOIC

AD7538

14-BIT DAC

REF

OUT

Low output leakage (<20 nA) over the full temperature range

AGND

LDAC

APPLICATIONS

DAC REGISTER

Microprocessor-based control systems

Digital audio

Precision servo control

INPUT

Control and measurement in high temperature environments

DB13 TO DB0

DGND

Figure 1.

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7538 is a 14-bit monolithic CMOS digital-to-analog

converter (DAC) that uses laser trimmed thin-film resistors to

achieve excellent linearity.

1. Guaranteed Monotonicity.

The AD7538 is guaranteed monotonic to 14-bits over the

full temperature range for all grades.

2. Low Cost.

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

chip select and memory write logic. Double buffering, which is

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

cost solution for 12-bit system upgrades.

3. Small Package Size.

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

24-pin SOIC.

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.

5. Wide Power Supply Tolerance.

LDAC

optional using

, allows simultaneous updates in a system

containing multiple AD7538s.

A novel low leakage configuration enables the AD7538 to

exhibit excellent output leakage current characteristics over

the specified temperature range.

The AD7538 is manufactured using the linear-compatible

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

microprocessors and accepts TTL or CMOS logic level inputs.

The device operates on a +12 V to +15 V V_DD, with a 5ꢀ

tolerance on this nominal figure. All specifications are

guaranteed over this range.

Rev. B

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 that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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AD7538JRZ 替代型号

型号	品牌	替代类型	描述	数据表
AD7538KRZ-REEL	ADI	完全替代	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538KRZ	ADI	完全替代	LC2MOS Microprocessor-Compatible 14-Bit DAC
MX7538JCWG+	MAXIM	类似代替	D/A Converter, 1 Func, Parallel, Word Input Loading, 0.8us Settling Time, PDSO24, 0.300 IN

与AD7538JRZ相关器件

型号	品牌	获取价格	描述	数据表
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
AD7538JRZ-REEL1	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538KN	ADI	获取价格	LC2MOS uP-Compatible 14-Bit DAC
AD7538KNZ	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538KNZ1	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538KR	ADI	获取价格	LC2MOS uP-Compatible 14-Bit DAC
AD7538KR-REEL	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538KRZ	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC
AD7538KRZ1	ADI	获取价格	LC2MOS Microprocessor-Compatible 14-Bit DAC

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