LTC1289BIJ Ver la hoja de datos (PDF) - Linear Technology

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LTC1289BIJ

3 Volt Single Chip 12-Bit Data Acquisition System

Linear Technology 

LTC1289

TEST CIRCUITS

On and Off Channel Leakage Current

3V

ION

A

ON CHANNEL

IOFF

A

OFF

CHANNELS

POLARITY

LTC1283 TC01

Voltage Waveforms for DOUT Delay Time, tdDO

SCLK

DOUT

0.45V

tdDO

2.1V

0.6V

LTC1289 TC03

Load Circuit for tdDO, tr and tf

1.5V

DOUT

3k

100pF

TEST POINT

LTC1289 TC02

Voltage Waveforms for DOUT Rise and Fall Times, tr,tf

DOUT

tr

2.1V

0.6V

tf

LTC1289 TC04

Load Circuit for tdis and ten

TEST POINT

DOUT

3k

100pF

3V tdis WAVEFORM 2, ten

tdis WAVEFORM 1

LTC1289 TC05

8

Voltage Waveforms for ten and tdis

ACLK

1

2

CS

2.1V

DOUT

WAVEFORM 1

(SEE NOTE 1)

DOUT

WAVEFORM 2

(SEE NOTE 2)

2.1V

ten

0.6V

90%

tdis

10%

NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH 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.

LTC1289 TC06

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