LTC1485CN8-PBF View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC1485CN8-PBF

Differential Bus Transceiver

Linear Technology 

1 2 3 4 5 6 7 8 9 10 Next

LTC1485

SWITCHI G TI E WAVEFOR S

3V

DI 1.5V

0V

tPLH

f = 1MHz; tr ≤ 10ns; tf ≤ 10ns

1.5V

tPHL

VO

90%

VA – VB

50%

–VO 10%

tr

90%

50%

10%

tf

B

VO

A

1/2 VO

tSKEW

1/2 VO

tSKEW

1485 F05

Figure 5. Driver Propagation Delays

3V

DE

0V

5V

A,B

VOL

VOH

A,B

0V

1.5V

f = 1MHz; tr ≤ 10ns; tf ≤ 10ns

tZL

2.3V

OUTPUT NORMALLY LOW

1.5V

tLZ

0.5V

2.3V

tZH

OUTPUT NORMALLY HIGH

0.5V

tHZ

1485 F06

Figure 6. Driver Enable and Disable Times

VOD2

VA – VB

–VOD2

VOH

RO

VOL

INPUT

f = 1MHz; tr ≤ 10ns; tf ≤ 10ns

0V

tPLH

OUTPUT

1.5V

0V

tPHL

1.5V

1485 F07

Figure 7. Receiver Propagation Delays

6

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