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Key Advantages
QV
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+5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX220, MAX222, MAX223, MAX225, MAX230, MAX231, MAX232, MAX232A, MAX233, MAX233A, MAX234, MAX235, MAX236, MAX237, MAX238, MAX239, MAX240, MAX241, MAX242, MAX243, MAX244, MAX245, MAX246, MAX247, MAX248, MAX249
QV
PDF
Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX1487, MAX481, MAX483, MAX485, MAX487, MAX488, MAX489, MAX490, MAX491
Key Specifications: RS-232 Line Driver/Receivers
Part Number
Supply Voltage (V)
Number of Tx
Number of Rx
Data Rate (kbps)
Typ. I
CC
Current (mA)
Internal Charge Pump
Number of Ext. Caps
Nom. Cap. Value (µF)
Number of Rx Active in Shutdown
Features
Industry Qualified
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
MAX220
5
2
2
120
0.5
Yes
4
0.1
-
Micropower
True RS-232
MIL-STD-883B
Ceramic DIP/16
DICE SALES/0
PDIP/16
SOIC/16
62
-40 to +85
-55 to +125
0 to +70
MAX222
5
2
2
200
4
Yes
4
0.1
0
Shutdown
Three State Rx O/P
True RS-232
MIL-STD-883B
Ceramic DIP/18
DICE SALES/0
LCC/20
PDIP/18
SOIC/18
83
-40 to +85
-55 to +125
0 to +70
MAX223
5
4
5
120
7
Yes
4
1
2
Shutdown
Three State Rx O/P
True RS-232
-
DICE SALES/0
SOIC/28
SSOP/28
82
-40 to +85
0 to +70
MAX225
5
5
5
120
10
Yes
0
-
5
Internal Capacitors
Shutdown
Three State Rx O/P
True RS-232
-
SOIC/28
193
-40 to +85
0 to +70
MAX230
5
5
0
120
7
Yes
4
1
-
Shutdown
Three State Rx O/P
True RS-232
MIL-STD-883B
Ceramic DIP/20
DICE SALES/0
PDIP/20
SOIC/20
138
-40 to +85
-55 to +125
0 to +70
MAX231
12
5
2
2
120
0.4
No
2
1
-
True RS-232
MIL-STD-883B
Ceramic DIP/14
PDIP/14
SOIC/16
112
-40 to +85
-55 to +125
0 to +70
MAX232
5
2
2
120
5
Yes
4
1
-
True RS-232
MIL-STD-883B
Ceramic DIP/16
DICE SALES/0
LCC/20
PDIP/16
SOIC/16
TSSOP/16
33
-40 to +85
-55 to +125
0 to +70
MAX232A
5
2
2
200
4
Yes
4
0.1
-
True RS-232
-
Ceramic DIP/16
DICE SALES/0
LCC/20
PDIP/16
SOIC/16
TSSOP/16
33
-40 to +85
-55 to +125
0 to +70
MAX233
5
2
2
120
5
Yes
0
-
-
Internal Capacitors
True RS-232
-
PDIP/20
SOIC/20
138
-40 to +85
0 to +70
MAX233A
5
2
2
200
4
Yes
0
-
-
Internal Capacitors
True RS-232
-
PDIP/20
SOIC/20
138
-40 to +85
0 to +70
MAX234
5
4
0
120
7
Yes
4
1
-
True RS-232
MIL-STD-883B
Ceramic DIP/16
DICE SALES/0
PDIP/16
SOIC/16
112
-40 to +85
-55 to +125
0 to +70
MAX235
5
5
5
120
7
Yes
0
-
-
Internal Capacitors
Shutdown
Three State Rx O/P
True RS-232
-
PDIP/24
SideBraze/24
512
-40 to +85
-55 to +125
0 to +70
MAX236
5
4
3
120
7
Yes
4
1
-
Shutdown
Three State Rx O/P
True RS-232
MIL-STD-883B
Ceramic DIP/24
DICE SALES/0
PDIP/24
SOIC/24
166
-40 to +85
-55 to +125
0 to +70
MAX239
12
5
3
5
120
0.4
No
2
1
-
Complete IBM Serial Port
Three State Rx O/P
True RS-232
MIL-STD-883B
Ceramic DIP/24
DICE SALES/0
PDIP/24
SOIC/24
166
-40 to +85
-55 to +125
0 to +70
MAX240
5
5
5
120
7
Yes
4
1
-
Shutdown
Three State Rx O/P
True RS-232
-
DICE SALES/0
MQFP/44
181
0 to +70
MAX241
5
4
5
120
7
Yes
4
1
-
Complete IBM Serial Port
Shutdown
Three State Rx O/P
True RS-232
-
DICE SALES/0
SOIC/28
SSOP/28
82
-40 to +85
0 to +70
MAX242
5
2
2
200
4
Yes
4
0.1
2
Shutdown
Three State Rx O/P
True RS-232
MIL-STD-883B
Ceramic DIP/18
DICE SALES/0
PDIP/18
SOIC/18
SSOP/20
58
-40 to +85
-55 to +125
0 to +70
MAX244
5
8
10
120
11
Yes
4
1
-
True RS-232
-
DICE SALES/0
PLCC/44
312
-40 to +85
0 to +70
MAX245
5
8
10
120
11
Yes
0
-
10
Internal Capacitors
Shutdown
Three State Rx O/P
True RS-232
-
PDIP/40
837
-40 to +85
0 to +70
MAX246
5
8
10
120
11
Yes
0
-
10
Internal Capacitors
Shutdown
Three State Rx O/P
True RS-232
-
PDIP/40
837
-40 to +85
0 to +70
MAX247
5
8
9
120
11
Yes
0
-
9
Internal Capacitors
Shutdown
Three State Rx O/P
True RS-232
-
PDIP/40
837
-40 to +85
0 to +70
MAX248
5
8
8
120
11
Yes
4
1
8
Selective Half-Chip Enables
Shutdown
Three State Rx O/P
True RS-232
-
DICE SALES/0
PLCC/44
312
-40 to +85
0 to +70
MAX249
5
6
10
120
11
Yes
4
1
10
Shutdown
Three State Rx O/P
True RS-232
-
PLCC/44
312
-40 to +85
0 to +70
See All RS-232 Line Driver/Receivers (145)
Key Specifications: RS-422/485 Line Driver/Receivers
Part Number
Number of Tx/Rx
Duplex
Supply Voltage (V)
Typ. I
CC
(mA)
Data Rate (kbps)
Tx EN
Rx EN
Typ. Shutdown I
CC
(µA)
Number of Rx/Tx on Bus
Rx Failsafe with Inputs:
Features
Slew Rate Limited
Industry Qualified
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
MAX1487
1Tx + 1Rx
Half
5
0.3
2,500
Yes
Yes
-
128
Open
-
No
-
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX481
1Tx + 1Rx
Half
5
0.5
2,500
Yes
Yes
0.1
32
Open
Low Power Shutdown
No
MIL-STD-883B
Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX483
1Tx + 1Rx
Half
5
0.35
250
Yes
Yes
0.1
32
Open
Low Power Shutdown
No
MIL-STD-883B
Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX485
1Tx + 1Rx
Half
5
0.5
2,500
Yes
Yes
-
32
Open
-
No
MIL-STD-883B
Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX487
1Tx + 1Rx
Half
5
0.25
250
Yes
Yes
0.1
128
Open
Low Power Shutdown
No
MIL-STD-883B
Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX488
1Tx + 1Rx
Full
5
0.12
250
No
No
-
32
Open
-
No
MIL-STD-883B
Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX489
1Tx + 1Rx
Full
5
0.12
250
Yes
Yes
-
32
Open
-
No
-
Ceramic DIP/14
DICE SALES/0
PDIP/14
SOIC/14
54
-40 to +85
-55 to +125
0 to +70
MAX490
1Tx + 1Rx
Full
5
0.3
2,500
No
No
-
32
Open
-
No
MIL-STD-883B
Ceramic DIP/8
DICE SALES/0
PDIP/8
SOIC/8
uMAX/8
16
-40 to +85
-55 to +125
0 to +70
MAX491
1Tx + 1Rx
Full
5
0.3
2,500
Yes
Yes
-
32
Open
-
No
MIL-STD-883B
Ceramic DIP/14
DICE SALES/0
PDIP/14
SOIC/14
54
-40 to +85
-55 to +125
0 to +70
See All RS-422/485 Line Driver/Receivers (146)
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