ADC1038

更新时间： 2024-01-17 14:48:48

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
13页	554K
描述
10-Bit Serial I/O A/D Converter with Analog Multiplexer

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数据手册

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ADC1038 数据手册

June 1999

ADC1038

10-Bit Serial I/O A/D Converter with Analog Multiplexer

and Track/Hold Function

General Description

Features

™

n Serial I/O ( MICROWIRE compatible)

n Separate asynchronous converter clock and serial data

I/O clock

The ADC1038 is a 10-bit successive approximation A/D con-

verters with serial I/O. The serial input controls

single-ended analog multiplexer that selects one of 8 input

channels. The serial output data can be configured into a

left- or right-justified format.

n Analog input track/hold function

n Ratiometric or absolute voltage referencing

n No zero or full scale adjustment required

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

supply

An input track/hold is implemented by a capacitive reference

ladder and sampled-data comparator. This allows the analog

input to vary during the A/D conversion cycle.

Separate serial I/O and conversion clock inputs are provided

to facilitate the interface to various microprocessors.

n TTL/MOS input/output compatible

n No missing codes

Applications

n Engine control

n Process control

n Instrumentation

n Test equipment

Key Specifications

n Resolution

10 bit

1 LSB (max)

n Total unadjusted error

n Single supply

n Power dissipation

5V 5%

20 mW (max)

13.7 µs (max)

10 µs (max)

n Max. conversion time (f_C3 MHz)

n Serial data exchange time (f_S1 MHz)

Connection Diagrams

SO Package

DS010556-2

Top View

ADC1038 In NS Package

M20B

Ordering Information

Industrial −40˚C ≤ T_A≤ +85˚C

Package

ADC1038CIWM

M20B

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

™

MICROWIRE is a trademark of National Semiconductor Corporation.

DS010556

www.national.com

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