
11
LTC1482
SWITCHI G TI E WAVEFOR S
UW
W
Figure 11. Shutdown Carrier Detect Timing
tCDL
tCDH
VOD2
–VOD2
A – B
VOH
VOL
CD
1482 F10
1.5V
NOTE: 1k
PULL-UP AT CD
1.5V
INPUT
0V
tCDH(SHDN)
tCDL(SHDN)
5V
0V
DI
VOH
VOL
CD
1482 F11
1.5V
NOTE: 1k
PULL-UP AT CD
THREE-STATE
1.5V
VOD2
–VOD2
A – B
5V
0V
RO
Figure 10. Carrier Detect Timing