MAX1490BEPG+ Maxim Integrated Products, MAX1490BEPG+ Datasheet - Page 14

• Manufacturer Part Number: MAX1490BEPG+
• Description: IC RS485/RS422 DATA INTRFC 24DIP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX1490BEPG+

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Through Hole
• Package / Case: 24-DIP (0.600", 15.24mm)
• Data Rate: 250 Kbps
• Operating Supply Voltage: 5 V
• Supply Current: 130 mA
• Operating Temperature Range: - 40 C to + 85 C
• Maximum Power Dissipation: 696 mW
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Complete, Isolated RS-485/RS-422
Data Interface
Figure 3. MAX1480A Low-Power Shutdown Mode
Figure 4. Driver DC Test Load
14
______________________________________________________________________________________
SHUTDOWN
D
DE
RO
V
DI
5V
IN
V
OD
R
R
Si943304
R1
R2
V
OC
P
R3
GND1
GND2
Figure 5. Driver/Receiver Timing Test Circuit
V
V
V
V
V
GND
CC1
CC2
CC3
CC4
CC5
SD
DE
RO
D1
D2
FS
DI
DI
´
ISOLATION BARRIER
10
11
12
13
14
1
2
3
4
5
6
7
8
9
(DE
´
)
D
MAX845
ISOLATION BARRIER
V
ID
MAX1487
R
C
C
DIFF
L1
L2
28
27
25
24
23
22
18
17
26
21
20
19
16
15
ISOLATION BARRIER
AC1
AC2
ISO V
B
ISO RO DRV
A
ISO DE IN
ISO COM1
ISO DI DRV
ISO DE DRV
ISO COM2
ISO RO LED
ISO DI IN
ISO V
CC1
CC2
R
MAX1480A
* OPTOCOUPLER
Test Circuits
OUTPUTS. SEE FIGURES 1
AND 2 FOR DETAILED BLOCK
DIAGRAM AND TYPICAL
APPLICATION CIRCUIT.
( ) ARE FOR
THE MAX1480A/B/C
RO (RO)*