ADC0803

更新时间： 2024-01-23 12:36:09

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
41页	1119K
描述
8-Bit uP Compatible A/D Converters

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中文翻译

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数据手册

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ADC0803 数据手册

November 1999

ADC0801/ADC0802/ADC0803/ADC0804/ADC0805

8-Bit µP Compatible A/D Converters

n Differential analog voltage inputs

n Logic inputs and outputs meet both MOS and TTL

voltage level specifications

n Works with 2.5V (LM336) voltage reference

n On-chip clock generator

n 0V to 5V analog input voltage range with single 5V

supply

General Description

The ADC0801, ADC0802, ADC0803, ADC0804 and

ADC0805 are CMOS 8-bit successive approximation A/D

converters that use

differential potentiometric

ladder — similar to the 256R products. These converters are

designed to allow operation with the NSC800 and INS8080A

derivative control bus with TRI-STATE^®output latches di-

rectly driving the data bus. These A/Ds appear like memory

locations or I/O ports to the microprocessor and no interfac-

ing logic is needed.

n No zero adjust required

n 0.3" standard width 20-pin DIP package

n 20-pin molded chip carrier or small outline package

n Operates ratiometrically or with 5 V_DC, 2.5 V_DC, or

analog span adjusted voltage reference

Differential analog voltage inputs allow 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

LSB and 1 LSB

n Total error

n Conversion time

⁄

LSB,

⁄

Features

100 µs

n Compatible with 8080 µP derivatives — no interfacing

logic needed - access time - 135 ns

n Easy interface to all microprocessors, or operates “stand

alone”

Connection Diagram

ADC080X

Dual-In-Line and Small Outline (SO) Packages

DS005671-30

See Ordering Information

Ordering Information

TEMP RANGE

0˚C TO 70˚C

ADC0802LCWM

ADC0804LCWM

0˚C TO 70˚C

−40˚C TO +85˚C

ADC0801LCN

ADC0802LCN

ADC0803LCN

⁄4

⁄2

Bit Adjusted

Bit Unadjusted

Bit Adjusted

ERROR

1Bit Unadjusted

ADC0804LCN

ADC0805LCN/ADC0804LCJ

PACKAGE OUTLINE

M20B — Small

Outline

N20A — Molded DIP

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

Z-80^®is a registered trademark of Zilog Corp.

DS005671

www.national.com

12 3 4 5 6 7...41

中文翻译

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与ADC0803相关器件

型号	品牌	获取价格	描述	数据表
ADC0803/4-1	ETC	获取价格	8-Bit A/D Converter 0-To-70
ADC08031	NSC	获取价格	8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Referenc
ADC08031BIJ	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
ADC08031BIN	NSC	获取价格	IC 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8, 0.300 INCH, PLASTIC, DIP-8, A
ADC08031BIN	TI	获取价格	8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP8, 0.300 INCH, PLASTIC, DIP-8
ADC08031BIWM	TI	获取价格	8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO14, PLASTIC, SOIC-14
ADC08031BIWMX	TI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO14, 0.300 INCH, PLASTIC, SOP-14, Analog IC:Other
ADC0803-1CD	NXP	获取价格	CMOS 8-bit A/D converters
ADC0803-1CD-T	NXP	获取价格	IC 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO20, PLASTIC, SOL-20, Anal
ADC08031CIJ	ETC	获取价格	Analog-to-Digital Converter， 8-Bit

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