MAX253ESA Maxim Integrated Products, MAX253ESA Datasheet - Page 3

• Manufacturer Part Number: MAX253ESA
• Description: IC XFRMR DRIVER RS485 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Driverr

Specifications of MAX253ESA

• 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: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

(Circuit of Figure 6, V
__________________________________________Typical Operating Characteristics
10.5
10.0
260
240
220
200
180
160
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
-60
OUTPUT RESISTANCE vs. TEMPERATURE
-60
D1, D2 FREQUENCY vs. TEMPERATURE
V
-40
-40
MEASURED AT TP1
IN
= 5.0V
-20
-20
V
IN
850
800
750
700
650
600
550
500
450
400
= 6.0V
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
-60
(FS = LOW)
(FS = LOW)
V
SUPPLY CURRENT vs. TEMPERATURE
20
20
_______________________________________________________________________________________
IN
IN
V
IN
-40
= 4.5V
= 5V ±10%, T
= 4.5V
40
40
-20
60
60
V
IN
0
TEMPERATURE (°C)
80
80
= 5.0V
(FS = HIGH)
20
100
V
100
IN
40
= 5.5V
120
120
A
60
= +25°C, unless otherwise noted.)
140
140
80
V
V
V
V
100
IN
IN
IN
IN
= 4.5V
= 5.0V
= 5.5V
= 6.0V
120
480
440
400
360
320
280
15
12
9
6
140
-60
-60
OUTPUT RESISTANCE vs. TEMPERATURE
D1, D2 FREQUENCY vs. TEMPERATURE
V
-40
-40
MEASURED AT TP1
IN
= 5.0V
V
-20
-20
IN
= 6.0V
Isolated RS-485 Interface
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
(FS = HIGH)
(FS = HIGH)
V
V
20
20
IN
IN
= 4.5V
= 4.5V
40
40
Transformer Driver for
60
60
V
80
80
IN
= 5.0V
V
100
100
IN
= 5.5V
100
120
120
90
80
70
60
50
40
30
20
10
0
0
140
140
20
EFFICIENCY vs. LOAD CURRENT
40
600
550
500
450
400
350
300
250
1.0
0.8
0.6
0.4
0.2
60
LOAD CURRENT (mA)
0
(FS = LOW)
-60
-60
80
SUPPLY CURRENT vs. TEMPERATURE
V
IN
100
-40
-40
= 4.5V
SHUTDOWN SUPPLY CURRENT
INCLUDES SWITCH LEAKAGE CURRENTS
120
-20
-20
vs. TEMPERATURE
140
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
V
IN
(FS = LOW)
160
20
20
= 5.5V
180
40
40
V
IN
= 6.0V
200
60
60
V
80
80
IN
= 4.5V
V
100
100
V
IN
IN
= 5.5V
= 5.0V
120
120
140
140
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