MAX1480BEPI+ Maxim Integrated Products, MAX1480BEPI+ Datasheet - Page 15

• Manufacturer Part Number: MAX1480BEPI+
• Description: IC RS485/RS422 DATA INTRFC 28DIP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX1480BEPI+

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• Package: 28PDIP
• Data Transmission Topology: Multidrop|Multipoint
• Data Rate: 0.25(Min) Mbps
• Function: Line Transceiver
• Number Of Transmitters: 1
• Transmitter Signal Type: Differential
• Transmitter Communication Type: RS-422|RS-485
• Driving Mode: 3-State
• Typical Single Supply Voltage: 5 V
• Number Of Channels Per Chip: 1
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Interface: RS-485, RS-422
• Maximum Power Dissipation: 727 mW
• Minimum Operating Temperature: - 40 C
• Supply Current: 95 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 7. Driver Propagation Delays and Transition Times
Figure 9. Times to/from Shutdown
____________________________________________________Test Circuits (continued)
SD
V
DI
V
CC_
2.4V
0.8V
A, B
A, B
´
DIFF
V
0V
OL
- 0.4V
-V
0V
V
0V
B
A
O
O
V
V
1.6V
1/2 V
O
CC_
t
R
10%
2
- 0.4V
O
______________________________________________________________________________________
2.3V
2.3V
t
t
ZL(SHDN)
ZH(SHDN)
90%
t
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
PLH
V
t
SKEW =
DIFF
= V (A) - V (B)
⎢t
PLH
- t
Complete, Isolated RS-485/RS-422
t
t
PHL
SHDN
Figure 6. Driver Timing Test Load
SHDN
t
PHL
⎢
t
F
90%
UNDER TEST
OUTPUT
V
1.6V
CC_
V
V
OL
OH
2
- 0.4V
10%
+ 0.5V
- 0.5V
1/2 V
O
C
L
500Ω
Figure 8. Driver Enable and Disable Times
Figure 10. Receiver Propagation Delays
V
DE
V
CC_
A
´
RO
- V
RO V
A, B
A, B
-0.4V
V
0V
0V
B
OL
V
-V
V
V
V
OH
OH
OL
OL
ID
ID
V
CC_
S1
S2
2
- 0.4V
0V
ISO V
Data Interface
2.3V
2.3V
Switching Waveforms
CC
t
1.5V
1.5V
t
ZH
_
ZL
OUTPUT NORMALLY HIGH
OUTPUT NORMALLY LOW
t
t
PHL
PLH
INPUT
MAX1480A/B/C
MAX1490A/B
OUTPUT
OUTPUT
t
SKEW
t
= ⏐t
t
HZ
LZ
PLH -
t
1.5V
1.5V
PHL
V
0V
CC_
⏐
V
V
2
- 0.4V
OL
OH
+ 0.5V
- 0.5V
t
t
PHL
PLH
15