LTC1482I Просмотр технического описания (PDF) - Linear Technology

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LTC1482I

Low Power RS485 Transceiver with Carrier Detect and Receiver Fail-Safe

Linear Technology 

UW

W

SWITCHI G TI E WAVEFOR S

VOD2

A–B

0V

– VOD2

VOH

CD

VOL

NOTE: 1kΩ PULL-UP AT CD

t CDL

1.5V

INPUT

t CDH

1.5V

Figure 10. Carrier Detect Timing

5V

DI

0V

VOH

CD

VOL

1.5V

t CDH(SHDN)

VOD2

A–B

– VOD2

5V

RO

0V

NOTE: 1kΩ PULL-UP AT CD

1.5V

THREE-STATE

1.5V

t CDL(SHDN)

1.5V

Figure 11. Shutdown Carrier Detect Timing

LTC1482

1482 F10

1482 F11

11

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