MAX253CUA-T Maxim Integrated Products, MAX253CUA-T Datasheet - Page 8
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MAX253CUA-T
Manufacturer Part Number
MAX253CUA-T
Description
MOSFET & Power Driver ICs
Manufacturer
Maxim Integrated Products
Type
Monolithic Oscillator Power Driverr
Datasheet
1.MAX253CSA.pdf
(18 pages)
Specifications of MAX253CUA-T
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
uMAX-8
Minimum Operating Temperature
0 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Transformer Driver for
Isolated RS-485 Interface
Figure 4. Typical RS-485 Application Circuit, 3.3V Configuration
8
_______________________________________________________________________________________
V
3.3V
IN
ON / OFF
RO
DE
DI
C1
0.1µF
*
*
*
*
**
74HC04
74HC04
74HC04
74HC04 OR EQUIVALENT
SEE TABLE 2
5
4
6
V
N.C.
SD
CC
GND1
2
MAX253
3.3kΩ
390Ω
390Ω
GND2
7
D1
D2
FS
0.1µF
1N5817
3
1
8
C5
1
1
6
5
4
1CT:2.1CT**
1N5817
ISOLATION
PC410 / 417
3
2
PC410 / 417
BARRIER
PC357T
1N5817
1N5817
3
4
3
6
5
4
1
0.1µF
C3
390Ω
3.3kΩ
C2
22µF
8
3.3kΩ
IN
SET
4
3
1
6
MAX667
DI
DE
RO
GND
RE
4
MAX481
MAX483
MAX485
MAX487
2
SHDN
8
V
CC
OUT
5
GND
5
2
A
B
C4
22µF
6
7
485
I/O
ISO 5V