MAX483ECPA+ Maxim Integrated Products, MAX483ECPA+ Datasheet - Page 11
![IC TXRX RS485/RS422 8-DIP](/photos/1/39/13900/175-8-dip_sml.jpg)
MAX483ECPA+
Manufacturer Part Number
MAX483ECPA+
Description
IC TXRX RS485/RS422 8-DIP
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Specifications of MAX483ECPA+
Number Of Drivers/receivers
1/1
Protocol
RS422, RS485
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Data Rate
0.25 Mbps
Propagation Delay Time Ns
250 ns
Operating Supply Voltage
5 V
Supply Current
350 uA
Operating Temperature Range
0 C to + 70 C
Input Voltage
0.8 V to 2 V
Maximum Power Dissipation
727 mW
Mounting Style
Through Hole
Output Voltage
3 V
Product
RS-422/RS-485 Combination
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 10. Driver/Receiver Timing Test Circuit
Figure 12. Driver Propagation Delays
Figure 14. Receiver Propagation Delays
V
DIFF
RO
A-B
DI
-V
-V
V
V
V
V
3V
0V
0V
OH
OL
ID
ID
Z
Y
O
O
DI
V
1/2 V
O
1.5V
DE
t
0V
R
10%
3V
O
±15kV ESD-Protected, Slew-Rate-Limited,
Y
Z
______________________________________________________________________________________
Low-Power, RS-485/RS-422 Transceivers
V
90%
ID
t
PLH
1.5V
V
t
SKEW =
DIFF
t
PHL
INPUT
= V (Y) - V (Z)
R
C
C
| t
DIFF
L1
L2
PLH
OUTPUT
- t
PHL
t
PHL
t
PLH
|
t
F
A
B
90%
1.5V
1.5V
0V
RE
10%
RO
1/2 V
O
Figure 13. Driver Enable and Disable Times (except MAX488E
and MAX490E)
and MAX490E)
Figure 11. Driver Timing Test Load
Figure 15. Receiver Enable and Disable Times (except MAX488E
RO
RO
RE
DE
V
Y, Z
Y, Z
3V
0V
CC
0V
V
0V
3V
0V
OL
UNDER TEST
OUTPUT
1.5V
1.5V
1.5V
1.5V
2.3V
2.3V
C
L
t
t
t
ZL(SHDN)
ZH(SHDN)
t
ZL(SHDN)
ZH(SHDN)
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
500
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
, t
, t
, t
, t
ZL
ZH
ZL
ZH
t
t
HZ
t
LZ
t
HZ
LZ
S1
S2
1.5V
1.5V
V
V
V
V
OL
OH
V
OL
OH
CC
+ 0.5V
- 0.5V
+0.5V
-0.5V
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