MAX253CUA Maxim Integrated Products, MAX253CUA Datasheet - Page 11
![IC XFRMR DRIVER RS485 8-UMAX](/photos/1/39/13936/406-8-msop_sml.jpg)
MAX253CUA
Manufacturer Part Number
MAX253CUA
Description
IC XFRMR DRIVER RS485 8-UMAX
Manufacturer
Maxim Integrated Products
Type
Driverr
Datasheet
1.MAX253CSA.pdf
(18 pages)
Specifications of MAX253CUA
Number Of Drivers/receivers
1/0
Protocol
RS232, RS485
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX253CUA
Manufacturer:
MAXIM
Quantity:
75
Part Number:
MAX253CUA
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX253CUA+
Manufacturer:
Maxim
Quantity:
12 497
Part Number:
MAX253CUA+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX253CUA+T
Manufacturer:
MAXIM
Quantity:
199
Part Number:
MAX253CUA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
Figure 6. 5V to Isolated 5V Application Circuit
Figure 7. 3.3V to Isolated 5V Application Circuit
V
3.3V
*SEE TABLE 2
IN
*SEE TABLE 2
V
5V
IN
______________________________________________________________________________________
FREQUENCY
C1
0.1µF
FREQUENCY
ON / OFF
SWITCH
C1
0.1µF
ON / OFF
SWITCH
4
3
4
3
SD
FS
GND1
2
SD
FS
MAX253
GND1
GND2
MAX253
7
2
V
CC
6
GND2
V
6
CC
D1
D2
7
D1
D2
1N5817
1
8
1
8
Isolated RS-485 Interface
C4
0.1µF
1CT:1.3CT*
1N5817
1CT:2.1CT*
Transformer Driver for
1N5817
1N5817
1N5817
1N5817
0.1µF
0.1µF
C3
OPTIONAL 21kHz LOWPASS OUTPUT FILTER
C3
OUTPUT
OPTIONAL 21kHz LOWPASS OUTPUT FILTER
OUTPUT
25µH
L2
25µH
L2
C2
22µF
TP1
C2
22µF
TP1
5V @ 200mA
ISO OUTPUT
C7
2.2µF
OUTPUT
FILTER
5V @ 100mA
ISO OUTPUT
C7
2.2µF
OUTPUT
FILTER
11