LTC485CS8 datasheet(4/12 Pages) LINER

部件名	LTC485CS8

功能描述	Low Power RS485 Interface Transceiver

PDF	12 Pages

Scroll/Zoom	100%

制造商	LINER [Linear Technology]

网页	http://www.linear.com

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4 / 12 page

LTC485

SWITCHI G TI E WAVEFOR S

1.5V

tPLH

tSKEW

1/2 VO

80%

10%

–VO

90%

1.5V

tPLH

tSKEW

1/2 VO

f = 1MHz, tr ≤ 10ns, tf ≤ 10ns

20%

VDIFF = V(A) – V(B)

LTC485 • F05

Figure 5. Driver Propagation Delays

1.5V

tZL

2.3V

tZH

1.5V

tLZ

0.5V

tHZ

f = 1MHz, tr ≤ 10ns, tf ≤ 10ns

OUTPUT NORMALLY LOW

OUTPUT NORMALLY HIGH

VOL

VOH

A, B

LTC485 • F06

Figure 6. Driver Enable and Disable Times

1.5V

tPHL

f = 1MHz, tr ≤ 10ns, tf ≤ 10ns

–VOD2

A, B

1.5V

tPLH

OUTPUT

INPUT

VOD2

VOL

VOH

LTC485 • F07

Figure 7. Receiver Propagation Delays

Figure 8. Receiver Enable and Disable Times

1.5V

tZL

1.5V

tZH

1.5V

tLZ

0.5V

tHZ

f = 1MHz, tr ≤ 10ns, tf ≤ 10ns

OUTPUT NORMALLY LOW

OUTPUT NORMALLY HIGH

LTC485 • F08

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