MAX253CSA Maxim Integrated Products, MAX253CSA Datasheet - Page 13

IC XFRMR DRIVER RS485 8-SOIC

MAX253CSA

Manufacturer Part Number
MAX253CSA
Description
IC XFRMR DRIVER RS485 8-SOIC
Manufacturer
Maxim Integrated Products
Type
Driverr
Datasheet

Specifications of MAX253CSA

Number Of Drivers/receivers
1/0
Protocol
RS232, RS485
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Figure 9a. Half-Wave Rectifier—Bipolar
Figure 9b. Full-Wave Rectifier—Bipolar
Figure 9c. Full-Wave Rectifier—Unipolar
*SEE TABLE 2
*SEE TABLE 2
*SEE TABLE 2
INPUT
INPUT
INPUT
______________________________________________________________________________________
GND1
GND1
GND1
2
2
2
V
MAX253
V
MAX253
MAX253
V
IN
IN
IN
V
V
V
CC
CC
CC
6
6
6
GND2
GND2
GND2
7
7
7
D1
D2
D1
D2
D1
D2
1
8
1
8
1
8
1CT:1CT*
1CT:1CT*
1CT:1CT*
Isolated RS-485 Interface
1N5817
1N5817
Transformer Driver for
4 x 1N5817
4 x 1N5817
R
R
L
L
+
-
R
+V
OUTPUT
L
-V
OUTPUT
+ ≅ R
OUT
OUT
V
OUTPUT
V
OUTPUT
V
OUTPUT
OUT
OUT
OUT
L
-
≈ 2V IN
≈ -2V IN
≈ +V
≈ -V
≈ 2 x V
IN
IN
IN
13

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