MAX491CPD Maxim Integrated Products, MAX491CPD Datasheet - Page 12

• Manufacturer Part Number: MAX491CPD
• Description: IC TXRX RS485/RS422 LOWPWR 14DIP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX491CPD

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Case: DIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Low-Power, Slew-Rate-Limited
RS-485/RS-422 Transceivers
Figure 15. MAX481/MAX485/MAX490/MAX491/MAX1487
Receiver t
Figure 17. MAX483, MAX487–MAX489 Receiver t
12
500mV/div
500mV/div
______________________________________________________________________________________
2V/div
2V/div
RO
RO
A
B
A
B
PHL
400ns/div
20ns/div
Figure 14. Receiver Propagation Delay Test Circuit
V
T
CC
A
= +25°C
t
R
= 5V
V
T
, t
A
CC
F
= +25°C
TTL IN
< 6ns
= 5V
PHL
D
Z
Y
100pF
100pF
R = 54Ω
Figure 16. MAX481/MAX485/MAX490/MAX491/MAX1487
Receiver t
Figure 18. MAX483, MAX487–MAX489 Receiver t
500mV/div
500mV/div
B
A
2V/div
2V/div
RO
RO
R
B
A
B
A
PLH
RECEIVER
OUT
400ns/div
20ns/div
V
T
V
T
A
CC
A
CC
= +25°C
= +25°C
= 5V
= 5V
PLH