MAX3490ESA Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
MAX3490ESA
Maxim Integrated
MAX3490ESA Datasheet PDF : 16 Pages
| |||
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
GENERATOR
(NOTE 4)
S1
D
50Ω
VCC
VOM
RL = 27Ω
OUT
CL = 15pF
(NOTE 5)
VOM =
VOH + VOL
2
≈ 1.5V
Figure 8. Driver Propagation Times
0V OR 3V
GENERATOR
(NOTE 4)
S1
D
OUT
CL = 50pF
(NOTE 5)
50Ω
RL = 110Ω
VOM =
VOH + VOL
2
≈ 1.5V
3V
IN
1.5V
1.5V
0V
tPLH
Y
OUT
VOM
tPHL
VOH
VOM
VOL
tPHL
tPLH
Z
OUT
VOM
VOH
VOM
VOL
3V
IN
1.5V
1.5V
0V
tPZH
OUT
VOM
tPHZ
VOH
0.25V
0V
Figure 9. Driver Enable and Disable Times (tPZH, tPSH, tPHZ)
0V OR 3V
GENERATOR
(NOTE 4)
S1
D
CL = 50pF
(NOTE 5)
50Ω
VCC
RL = 110Ω
OUT
3V
IN
1.5V
1.5V
0V
tPSL
OUT
VOM
tPLZ
VCC
0.25V
VOL
Figure 10. Driver Enable and Disable Times (tPZL, tPSL, tPLZ)
_______________________________________________________________________________________ 9
Share Link: