LTC1482I Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1482I Datasheet PDF : 16 Pages
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LTC1482
UW
W
SWITCHI G TI E WAVEFOR S
3V
DI/SHDN
0V
VO
– VO
B
A
1.5V
t PLH
t DSKEW
90%
10%
50%
tr
VO
1/2 VO
tSKEW
NOTE: DE = 1
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
VO = V(A) – V(B)
Figure 6. Driver Propagation Delays
1.5V
t PHL
50%
tf
90%
10%
t SKEW
1482 F06
3V
DE
0V
5V
A, B
VOL
1.5V
tZL(SHDN), tZL
2.3V
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
OUTPUT NORMALLY LOW
500Ω PULL-UP TO VCC
tLZ, tLZ(SHDN)
VOH
A, B
0V
2.3V
tZH(SHDN), tZH
OUTPUT NORMALLY HIGH,
500Ω PULL-DOWN TO GND
tHZ, tHZ(SHDN)
NOTE: DI = 0 FOR tZL(SHDN), tLZ(SHDN); DI = DE FOR tZH(SHDN), tHZ(SHDN); DI = DE FOR tZL, tLZ; DI = VCC FOR tZH, tHZ
Figure 7. Driver Enable and Disable Timing
1.5V
0.5V
0.5V
1482 F07
VOD2
A–B
0V
– VOD2
t PHL
5V
RO
1.5V
VOL
NOTE: tSKD = |tPHL – tPLH|, DE = VCC
INPUT
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
OUTPUT
Figure 8. Receiver Propagation Delays
t PLH
0V
1.5V
1482 F08
3V
DI
1.5V
f = 1MHz, tr ≤ 10ns, tf ≤ 10ns
5V
RO
0V
t ZL(SHDN)
1.5V
OUTPUT
t LZ(SHDN)
5V
RO
0V
1.5V
t ZH(SHDN)
OUTPUT
NOTE: DE = 0, RO IS THREE-STATED IN SHUTDOWN, 1kΩ PULL-UP FOR NORMALLY LOW OUTPUT,
1kΩ PULL-DOWN FOR NORMALLY HIGH OUTPUT
t HZ(SHDN)
Figure 9. Receiver Enable and Shutdown Timing
1.5V
0.5V
0.5V
1482 F09
10
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