3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
VCC
D
VOD
VOC
2
RL
2
RL
R
0V
VOH
IOH
(-)
IOL
(+)
VOL
VID
VCC
D
VOD
RL
VCM =
-7V to +12V
375
375
VCC
50
RL =
60
CL = 15pF (NOTE 5)
GENERATOR
(NOTE 4)
D
OUT
CL
tDO
tTD
50%
1.5V
10%
OUT
IN
90%
50%
1.5V
10%
90%
3V
0V
鈮� 2.0V
鈮� -2.0V
tDO
tTD
Figure 4. Driver VOD and VOC
Figure 7. Driver Differential Output Delay and Transition Times
Figure 6. Receiver VOH and VOL
Figure 5. Driver VOD with Varying Common-Mode Voltage
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
8
Maxim Integrated