LTC1291_1 datasheet(6/20 Pages) LINER

Nome de Peças	LTC1291

Descrição Electrónicos	Single Chip 12-Bit Data Acquisition System

PDF	20 Pages

Scroll/Zoom	100%

Fabricante Electrônico	LINER [Linear Technology]

Página de início	http://www.linear.com

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6 / 20 page

LTC1291

1291fa

DAGRA

BLOCK

TEST CIRCUITS

Load Circuit for tdDO, tr and tf

Load Circuit for tdis and ten

On and Off Channel Leakage Current

IOFF

ION

POLARITY

OFF CHANNEL

ON CHANNEL

1291 TC01

Voltage Waveforms for tdis

DOUT

100pF

TEST POINT

5V tdis WAVEFORM 2, ten

tdis WAVEFORM 1

1291 TC05

DOUT

WAVEFORM 1

(SEE NOTE 1)

2.0V

tdis

90%

10%

DOUT

WAVEFORM 2

(SEE NOTE 2)

NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH

THAT THE OUTPUT IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL.

NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH

THAT THE OUTPUT IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL.

1291 TC06

INPUT

SHIFT

COMP

SAMPLE

AND

HOLD

12-BIT

CAPACITIVE

DAC

OUTPUT

SHIFT

12-BIT

SAR

CONTROL

AND

TIMING

VCC (VREF)

ANALOG

INPUT MUX

GND

CH1

CH0

DOUT

CLK

1291 BD

DIN

DOUT

1.4V

100pF

TEST POINT

1291 TC02

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