LTC1448CS8 datasheet(8/12 Pages) LINER

부품명	LTC1448CS8

상세설명	Dual 12-Bit Rail-to-Rail Micropower DAC

PDF	12 Pages

Scroll/Zoom	100%

제조업체	LINER [Linear Technology]

홈페이지	http://www.linear.com

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8 / 12 page

LTC1448

TYPICAL APPLICATIONS

This circuit shows how to use one LTC1448 to make an

autoranging ADC. The microprocessor sets the reference

span and the Common pin for the analog input by loading

the appropriate digital code into the LTC1448. VOUT A

controls the Common pin for the analog inputs to the

LTC1296 and VOUTB controls the reference span by setting

the REF + pin on the LTC1296. The LTC1296 has a Shut-

down pin that goes low in shutdown mode. This will turn

off the PNP transistor supplying power to the LTC1448.

The resistor and capacitor on the LTC1448 outputs act as

a lowpass filter for noise.

LTC1296

VCC

50k

74HC04

µF

µP

CLK

8 ANALOG

INPUT CHANNELS

DOUT

DIN

CH0

COM

SSO

REF –

CH7

REF+

50k

0.1

µF

100

Ω

100

Ω

LTC1448

CS/LD

CLK

REF

DIN

VOUT B

GND

VCC

1448 TA04

VOUT A

0.1

µF

0.1

µF

An Autoranging 8-Channel ADC with Shutdown

LTC1448CS8 데이터시트(PDF) 8 Page - Linear Technology

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