ADC08034 National Semiconductor, ADC08034 Datasheet

ADC08034

Manufacturer Part Number

ADC08034

Description

8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options/ Voltage Reference/ and Track/Hold Function

Manufacturer

National Semiconductor

Datasheets

1.ADC08031.pdf (24 pages)

2.ADC08034.pdf (24 pages)

3.ADC08034.pdf (24 pages)

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Part Number:

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Quantity:

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ADC08031/ADC08034/ADC08038

8-Bit High-Speed Serial I/O A/D Converters with

Multiplexer Options, Voltage Reference, and Track/Hold

Function

General Description

The ADC08031/ADC08032/ADC08034/ADC08038 are 8-bit

successive approximation A/D converters with serial I/O and

configurable input multiplexers with up to 8 channels. The

serial I/O is configured to comply with the NSC MICROW-

IRE

COPS

standard shift registers or microprocessors.

The ADC08034 and ADC08038 provide a 2.6V band-gap de-

rived reference. For devices offering guaranteed voltage ref-

erence performance over temperature see ADC08131,

ADC08134 and ADC08138.

A track/hold function allows the analog voltage at the positive

input to vary during the actual A/D conversion.

The analog inputs can be configured to operate in various

combinations

pseudo-differential modes. In addition, input voltage spans

as small as 1V can be accommodated.

Applications

n Digitizing automotive sensors

n Process control monitoring

n Remote sensing in noisy environments

n Instrumentation

Ordering Information

TRI-STATE

COPS

™

serial data exchange standard for easy interface to the

™

microcontrollers and MICROWIRE

is a registered trademark of National Semiconductor Corporation.

family of controllers, and can easily interface with

single-ended,

™

are trademarks of National Semiconductor Corporation.

ADC08031CIN

ADC08031CIWM, ADC08034CIWM

ADC08038CIWM

Industrial (−40˚C

DS010555

differential,

+85˚C)

n Test systems

n Embedded diagnostics

Features

n Serial digital data link requires few I/O pins

n Analog input track/hold function

n 2-, 4-, or 8-channel input multiplexer options with

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

n No zero or full scale adjustment required

n TTL/CMOS input/output compatible

n On chip 2.6V band-gap reference

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

n 14-, 20-pin small-outline packages

Key Specifications

n Resolution

n Conversion time (f

n Power dissipation

n Single supply

n Total unadjusted error

n No missing codes over temperature

address logic

supply

Package

N08E

M14B

M20B

= 1 MHz)

⁄

LSB and

www.national.com

20mW (max)

June 1999

8µs (max)

(

8 bits

1LSB

5%)

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