ADC12048 datasheet(2/30 Pages) NSC

2 / 30 page

Connection Diagrams

Ordering Information

Industrial Temperature Range

Package

−40˚C

≤ T

A ≤ +85˚C

ADC12048CIV

PLCC

ADC12048CIVF

PQFP

ADC12048EVAL

Evaluation board

Pin Description

PLCC Pkg.

PQFP Pkg.

Pin Name

Description

Pin Number

CH0

The eight analog inputs to the Multiplexer. Active channels are selected

based on the contents of bits b3–b0 of the Configuration register. Refer

to section titled MUX for more details.

CH1

CH2

CH3

CH4

CH5

CH6

CH7

COM

This pin is another analog input pin used as a pseudo ground when the

multiplexer is configured in single-ended mode.

REF+

Positive reference input. The operating voltage range for this input is

≤ V

REF+ ≤ VA+ (see Figure 3 and 4). This pin should be bypassed

to AGND at least with a parallel combination of a 10 µF and a 0.1 µF

(ceramic) capacitors. The capacitors should be placed as close to the

part as possible.

PLCC Package

DS012387-2

Order Number ADC12048CIV

See NS Package Number V44A

PQFP Package

DS012387-3

Order Number ADC12048CIVF

See NS Package Number VGZ44A

ADC12048 Datasheet(PDF) 2 Page - National Semiconductor (TI)

ADC12048 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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