ADC0834BCN

更新时间： 2024-11-14 22:47:35

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器复用器光电二极管
页数	文件大小	规格书
32页	680K
描述
8-Bit Serial I/O A/D Converters with Multiplexer Options

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ADC0834BCN 数据手册

August 1999

ADC0831/ADC0832/ADC0834/ADC0838

8-Bit Serial I/O A/D Converters with Multiplexer Options

n Operates ratiometrically or with 5 V_DCvoltage

reference

General Description

The ADC0831 series are 8-bit successive approximation A/D

n No zero or full-scale adjust required

converters with a serial I/O and configurable input multiplex-

n 2-, 4- or 8-channel multiplexer options with address logic

ers with up to 8 channels. The serial I/O is configured to

n Shunt regulator allows operation with high voltage

™

comply with the NSC MICROWIRE serial data exchange

standard for easy interface to the COPS family of proces-

supplies

™

n 0V to 5V input range with single 5V power supply

n Remote operation with serial digital data link

n TTL/MOS input/output compatible

n 0.3" standard width, 8-, 14- or 20-pin DIP package

n 20 Pin Molded Chip Carrier Package (ADC0838 only)

n Surface-Mount Package

sors, and can interface with standard shift registers or µPs.

The 2-, 4- or 8-channel multiplexers are software configured

for single-ended or differential inputs as well as channel as-

signment.

The differential analog voltage input allows increasing the

common-mode rejection and offsetting the analog zero input

voltage value. In addition, the voltage reference input can be

adjusted to allow encoding any smaller analog voltage span

to the full 8 bits of resolution.

Key Specifications

n Resolution

8 Bits

n Total Unadjusted Error

n Single Supply

n Low Power

⁄2

LSB and 1 LSB

Features

n NSC MICROWIRE compatible — direct interface to

COPS family processors

n Easy interface to all microprocessors, or operates

“stand-alone”

5 V_DC

15 mW

32 µs

n Conversion Time

Typical Application

DS005583-1

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

™

COPS and MICROWIRE are trademarks of National Semiconductor Corporation.

DS005583

www.national.com

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