ADC0844, ADC0848

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SNAS523D – JUNE 1999 – REVISED MARCH 2013

ADC0844/ADC0848 8-Bit

μP Compatible A/D Converters with Multiplexer Options

Check for Samples: ADC0844, ADC0848

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FEATURES

DESCRIPTION

The ADC0844 and ADC0848 are CMOS 8-bit

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•

Easy Interface to All Microprocessors

successive

approximation

A/D

converters

with

•

versatile analog input multiplexers. The 4-channel or

Reference

8-channel multiplexers can be software configured for

•

No Zero or Full-Scale Adjust Required

single-ended, differential or pseudo-differential modes

of operation.

•

4-Channel or 8-Channel Multiplexer with

Address Logic

The differential mode provides low frequency input

common mode rejection and allows offsetting the

•

Internal Clock

analog range of the converter. In addition, the A/D's

•

0V to 5V Input Range with Single 5V Power

reference can be adjusted enabling the conversion of

Supply

reduced analog ranges with 8-bit resolution.

•

Standard Width 20-Pin or 24-Pin PDIP

The A/Ds are designed to operate from the control

•

28 Pin PLCC Package

bus of a wide variety of microprocessors. TRI-STATE

output latches that directly drive the data bus permit

KEY SPECIFICATIONS

the A/Ds to be configured as memory locations or I/O

devices to the microprocessor with no interface logic

•

Resolution: 8 Bits

necessary.

•

Total Unadjusted Error: ±½ LSB and ± 1 LSB

•

•

Low Power: 15 mW

•

Conversion Time: 40

μs

Block Diagram

* ADC0848 shown in PDIP Package CH5-CH8 not included on the ADC0844

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PRODUCTION DATA information is current as of publication date.

Copyright © 1999–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.