LTC1687CS datasheet(7/12 Pages) LINER

부품명	LTC1687CS

상세설명	52Mbps Precision Delay RS485 Fail-Safe Transceivers

PDF	12 Pages

Scroll/Zoom	100%

제조업체	LINER [Linear Technology]

홈페이지	http://www.linear.com

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7 / 12 page

LTC1686/LTC1687

SWITCHI G TI E WAVEFOR S

Figure 5. Driver Propagation Delays

1.5V

t PLH

t r

tSKEW

1/2 VO

90%

10%

–VO

90%

1.5V

tPHL

tSKEW

1/2 VO

f = 1MHz, t r ≤ 3ns, tf ≤ 3ns

10%

VDIFF = V(Y) – V(Z)

1686/87 F05

1.5V

tZL

2.5V

tZH

1.5V

tLZ

0.5V

tHZ

f = 1MHz, tr ≤ 3ns, tf ≤ 3ns

OUTPUT NORMALLY LOW

OUTPUT NORMALLY HIGH

VOL

VOH

Y, Z

1686/87 F06

Figure 6. Driver Enable and Disable Times

2.5V

tPHL

f = 1MHz, tr ≤ 3ns, tf ≤ 3ns

–VOD2

A – B

2.5V

t PLH

OUTPUT

INPUT

VOD2

VOL

VOH

1686/87 F07

Figure 7. Receiver Propagation Delays

1.5V

tZL

2.5V

tZH

1.5V

tLZ

0.5V

tHZ

f = 1MHz, t r ≤ 3ns, tf ≤ 3ns

OUTPUT NORMALLY LOW

OUTPUT NORMALLY HIGH

1686/87 F08

Figure 8. Receiver Enable and Disable Times

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