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Computers: Notebook
RS-232
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Title / Parts
Key Advantages
QV
PDF
±15kV ESD-Protected, 1µA, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus
MAX3224E, MAX3225E, MAX3226E, MAX3227E, MAX3244E, MAX3245E
Consumes Only 1µA when Disconnected, Not Driven, or Inactive After 30s; Communications Speeds Up to 1Mbps
QV
PDF
±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
MAX3221E, MAX3223E, MAX3243E
Consumes Only 1µA when Disconnected or Not Driven by Peripheral
QV
PDF
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
MAX3222E, MAX3232E, MAX3237E, MAX3241E, MAX3246E
Consumes Only 1µA when Disconnected or Not Driven by Peripheral; Available in a Tiny UCSP
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)
ESD Protection (±kV)
Number of Rx Active in Shutdown
Features
Industry Qualified
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
MAX3246E
3.3
5
3
5
250
0.3
Yes
4
0.1
15
5
•
Auto-Shutdown
•
Shutdown
•
Three State Rx O/P
•
Three State Tx
•
True RS-232
-
UCSP/26
10
-40 to +85
0 to +70
MAX3222E
3.3
5
2
2
250
0.3
Yes
4
0.1
15
2
•
Shutdown
•
Three State Rx O/P
•
True RS-232
-
DICE SALES/0
PDIP/18
SOIC/18
SSOP/20
THIN QFN/20
TSSOP/20
26
-40 to +85
0 to +70
MAX3232E
3.3
5
2
2
250
0.3
Yes
4
0.1
15
0
•
True RS-232
-
PDIP/16
SOIC/16
SSOP/16
THIN QFN/16
TSSOP/16
TSSOP/20
26
-40 to +85
0 to +70
MAX3237E
3.3
5
5
3
1,000
0.3
Yes
4
0.1
15
3
•
Megabaud Data Rate
•
Shutdown
•
Three State Rx O/P
•
True RS-232
-
SSOP/28
82
-40 to +85
0 to +70
MAX3241E
3.3
5
3
5
250
0.3
Yes
4
0.1
15
5
•
Shutdown
•
Three State Rx O/P
•
True RS-232
Automotive - General
SOIC/28
SSOP/28
THIN QFN/32
TSSOP/28
50
-40 to +85
0 to +70
MAX3224E
3.3
5
2
2
250
0.3
Yes
4
0.1
15
2
•
Auto-Shutdown Plus
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
PDIP/20
SSOP/20
THIN QFN/20
TSSOP/20
26
-40 to +85
-55 to +125
0 to +70
MAX3225E
3.3
5
2
2
1,000
0.3
Yes
4
0.1
15
2
•
Auto-Shutdown Plus
•
Megabaud Data Rate
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
PDIP/20
SSOP/20
THIN QFN/20
TSSOP/20
26
-40 to +85
-55 to +125
0 to +70
MAX3226E
3.3
5
1
1
250
0.3
Yes
4
0.1
15
2
•
Auto-Shutdown Plus
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
SSOP/16
THIN QFN/16
TSSOP/16
26
-40 to +85
-55 to +125
0 to +70
MAX3227E
3.3
5
1
1
1,000
0.3
Yes
4
0.1
15
2
•
Auto-Shutdown Plus
•
Megabaud Data Rate
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
SSOP/16
THIN QFN/16
TSSOP/16
26
-40 to +85
-55 to +125
0 to +70
MAX3244E
3.3
5
3
5
250
0.3
Yes
4
0.1
15
5
•
Auto-Shutdown Plus
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
SOIC/28
SSOP/28
TSSOP/28
64
-40 to +85
0 to +70
MAX3245E
3.3
5
3
5
1,000
0.3
Yes
4
0.1
15
5
•
Auto-Shutdown Plus
•
Megabaud Data Rate
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
SOIC/28
SSOP/28
THIN QFN/36
TSSOP/28
37
-40 to +85
0 to +70
MAX3221E
3.3
5
1
1
250
0.3
Yes
4
0.1
15
1
•
Auto-Shutdown
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
SSOP/16
THIN QFN/16
TSSOP/16
26
-40 to +85
0 to +70
MAX3223E
3.3
5
2
2
250
0.3
Yes
4
0.1
15
2
•
Auto-Shutdown
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
PDIP/20
SSOP/20
THIN QFN/20
TSSOP/20
26
-40 to +85
0 to +70
MAX3243E
3.3
5
3
5
250
0.3
Yes
4
0.1
15
1
•
Auto-Shutdown
•
Micropower
•
Three State Rx O/P
•
True RS-232
-
SOIC/28
SSOP/28
THIN QFN/32
TSSOP/28
50
-40 to +85
0 to +70
See All RS-232 Line Driver/Receivers (145)
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