DAC0854

更新时间： 2024-09-19 22:50:43

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
14页	271K
描述
8-Bit Voltage-Output

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DAC0854 数据手册

January 1995

DAC0854 Quad 8-Bit Voltage-Output

Serial D/A Converter with Readback

General Description

Features

Single 5V supply operation

The DAC0854 is a complete quad 8-bit voltage-output digi-

tal-to-analog converter that can operate on a single 5V sup-

ply. It includes on-chip output amplifiers, internal voltage ref-

erence, and a serial microprocessor interface. By combining

in one package the reference, amplifiers, and conversion

circuitry for four D/A converters, the DAC0854 minimizes

wiring and parts count and is hence ideally suited for appli-

cations where cost and board space are of prime concern.

MICROWIRE serial interface allows easy interface to

many popular microcontrollers including the COPS^TM

and HPC^TMfamilies of microcontrollers

Data readback capability

Output data can be formatted to read back MSB or

LSB first

Versatile logic allows selective or global update of the

DACs

The DAC0854 also has a data readback function, which can

be used by the microprocessor to verify that the desired

input word has been properly latched into the DAC0854’s

data registers. The data readback function simplifies the de-

sign and reduces the cost of systems which need to verify

data integrity.

Power fail flag

Output amplifiers can drive 2 kX load

Synchronous/asynchronous update of the DAC outputs

Key Specifications

The logic comprises a MICROWIRE^TM-compatible serial in-

terface and control circuitry. The interface allows the user to

write to any one of the input registers or to all four at once.

The latching registers are double-buffered, consisting of 4

separate input registers and 4 DAC registers. Double buffer-

ing allows all 4 DAC outputs to be updated simultaneously.

Guaranteed monotonic over temperature

Integral linearity error

(/2 LSB max

2.7 ms max

Output settling time

Analog output voltage range

0.3V to 2.8V

4.5V to 5.5V

10 MHz max

95 mW max

Supply voltage range

Clock frequency

The four reference inputs allow the user to configure the

system to have a separate output voltage range for each

DAC. The output voltage of each DAC can range between

Power dissipation (f

On-board reference

10 MHz)

CLK

2.65V 2% max

0.3V and 2.8V and is a function of V , V , and the

BIAS REF

input word.

Applications

Automatic test equipment

Industrial process controls

Automotive controls and diagnostics

Instrumentation

Connection Diagram

Ordering Information

Industrial ( 40 C

85 C)

Package

DAC0854BIN, DAC0854CIN

DAC0854CIJ

N20A Molded DIP

J20A Ceramic DIP

M20B Small Outline

DAC0854BIWM, DAC0854CIWM

Military ( 55 C

125 C)

DAC0854CMJ/883

J20A Ceramic DIP

TL/H/11261–1

Top View

COPS^TM, HPC^TMand MICROWIRE^TMare trademarks of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/H/11261

RRD-B30M75/Printed in U. S. A.

12 3 4 5 6 7...14

中文翻译

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与DAC0854相关器件

型号	品牌	获取价格	描述	数据表
DAC0854BIJ	ETC	获取价格	8-Bit Digital-to-Analog Converter
DAC0854BIN	NSC	获取价格	8-Bit Voltage-Output
DAC0854BIWM	NSC	获取价格	8-Bit Voltage-Output
DAC0854BIWMX	TI	获取价格	QUAD, SERIAL INPUT LOADING, 2.7us SETTLING TIME, 8-BIT DAC, PDSO20, 0.300 INCH, PLASTIC, S
DAC0854CIJ	NSC	获取价格	8-Bit Voltage-Output
DAC0854CIN	NSC	获取价格	8-Bit Voltage-Output
DAC0854CIWM	NSC	获取价格	8-Bit Voltage-Output
DAC0854CIWMX	TI	获取价格	QUAD, SERIAL INPUT LOADING, 2.7us SETTLING TIME, 8-BIT DAC, PDSO20, 0.300 INCH, PLASTIC, S
DAC0854CMJ	ETC	获取价格	8-Bit Digital-to-Analog Converter
DAC0854CMJ/883	NSC	获取价格	8-Bit Voltage-Output

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