ADC08231CIN

更新时间： 2024-11-03 22:47:35

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器复用器
页数	文件大小	规格书
24页	420K
描述
8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold

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ADC08231CIN 数据手册

December 1994

ADC08231/ADC08234/ADC08238 8-Bit 2 ms Serial I/O

A/D Converters with MUX, Reference, and Track/Hold

General Description

Features

Serial digital data link requires few I/O pins

The ADC08231/ADC08234/ADC08238 are 8-bit succes-

sive approximation A/D converters with serial I/O and con-

figurable input multiplexers with up to 8 channels. The serial

I/O is configured to comply with the NSC MICROWIRE^TM

serial data exchange standard for easy interface to the

COPS^TMfamily of controllers, and can easily interface with

standard shift registers or microprocessors.

Analog input track/hold function

4- or 8-channel input multiplexer options with address

logic

On-chip 2.5V band-gap reference ( 2% over tempera-

ture guaranteed)

No zero or full scale adjustment required

TTL/CMOS input/output compatible

0V to 5V analog input range with single 5V power

supply

Designed for high-speed/low-power applications, the devic-

es are capable of a fast 2 ms conversion when used with a

4 MHz clock.

All three devices provide a 2.5V band-gap derived reference

with guaranteed performance over temperature.

Pin compatible with Industry-Standards ADC0831/4/8

A track/hold function allows the analog voltage at the posi-

tive input to vary during the actual A/D conversion.

Key Specifications

Resolution

8 Bits

2 ms (Max)

The analog inputs can be configured to operate in various

combinations of single-ended, differential, or pseudo-differ-

ential modes. In addition, input voltage spans as small as 1V

can be accommodated.

Conversion time (f

Power dissipation

Single supply

4 MHz)

20 mW (Max)

(/2 LSB and 1 LSB

5 V

(

5%)

Total unadjusted error

No missing codes (over temperature)

(/2 LSB

Linearity Error (V

2.5V)

REF

Applications

High-speed data acquisition

2.5V 1.5% (Max)

On-board Reference

Digitizing automotive sensors

Process control/monitoring

Remote sensing in noisy environments

Disk drives

Portable instrumentation

Test systems

ADC08238 Simplified Block Diagram

TL/H/11015–4

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

COPS^TMmicrocontrollers and MICROWIRE^TMare trademarks of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/H/11015

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

12 3 4 5 6 7...24

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与ADC08231CIN相关器件

型号	品牌	获取价格	描述	数据表
ADC08231CIWM	NSC	获取价格	8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold
ADC08231CIWMX	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO14, 0.300 INCH, PLASTIC, SOP-14
ADC08231CMJ	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
ADC08234	ETC	获取价格
ADC08234BIJ	ETC	获取价格	Single-Ended Data Acquisition System
ADC08234BIN	NSC	获取价格	8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold
ADC08234BIWM	NSC	获取价格	8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold
ADC08234BIWMX	TI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO14, 0.300 INCH, PLASTIC, SOP-14
ADC08234CIJ	ETC	获取价格	Single-Ended Data Acquisition System
ADC08234CIMF	NSC	获取价格	8-Bit 2 ms Serial I/O A/D Converters with MUX, Reference, and Track/Hold

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