LTC1487 Просмотр технического описания (PDF) - Linear Technology
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LTC1487 Datasheet PDF : 8 Pages
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LTC1487
UW
W
SWITCHI G TI E WAVEFOR S
3V
DI
0V
B
A
VO
0V
– VO
1.5V
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
t PLH
VO
1/2 VO
10%
tr
tSKEW
90%
VDIFF = V(A) – V(B)
1.5V
t PHL
1/2 VO
t SKEW
90%
10%
tf
Figure 5. Driver Propagation Delays
LTC1487 • F05
3V
DE
0V
5V
A, B
VOL
VOH
A, B
0V
1.5V
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
tZL(SHDN), tZL
t LZ
2.3V
OUTPUT NORMALLY LOW
1.5V
0.5V
2.3V
OUTPUT NORMALLY HIGH
0.5V
tZH(SHDN), tZH
t HZ
Figure 6. Driver Enable and Disable Times
LTC1487 • F06
VOH
RO
VOL
VOD2
A–B
– VOD2
1.5V
OUTPUT
t PHL
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns tPLH
0V
INPUT
Figure 7. Receiver Propagation Delays
1.5V
0V
LTC1487 • F07
3V
RE
0V
5V
RO
RO
0V
6
1.5V
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
tZL(SHDN), tZL
t LZ
1.5V
OUTPUT NORMALLY LOW
1.5V
0.5V
1.5V
OUTPUT NORMALLY HIGH
0.5V
tZH(SHDN), tZH
t HZ
Figure 8. Receiver Enable and Disable Times
LTC1487 • F08
sn1487 1487fs
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