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RS-232



Maxim's RS-232 solutions for ATM terminals have advanced capabilities for the best signal integrity and most robust system possible.
  • Enhanced ESD Protection
    • ±15kV, per Human Body Model
    • ±15kV, per Airgap Discharge IEC 1000-4-2
    • ±8kV, per Contact Discharge IEC 1000-4-2
  • True RS-232 Signal Levels with Single 3V or 5V Supplies
  • Integrated Charge Pumps Reduce Board Space and Design Complexity
  • Complete Serial-Port Transceiver (Three Drivers, Five Receivers)


DATA SHEETS
Part Number Description Key Advantages
MAX3223EEVKIT Evaluation Kit for the MAX3223E

MAX3224E, MAX3225E, MAX3226E,
...
±15kV ESD-Protected, 1µA, 1Mbps, 3.0V to 5.5V, RS-232 Transceivers with AutoShutdown Plus

MAX3221E, MAX3223E, MAX3243E ±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown

MAX3222E, MAX3232E, MAX3237E,
...
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers

MAX3185 ±15kV ESD-Protected, EMC Compliant, 230kbps RS-232 Serial Port for Motherboards/Desktop PCs




Key Specifications:

RS-232 Line Driver/Receivers
Part Number VSUPPLY
(V)
Tx Rx Data Rate
(kbps)
ICC
(mA)
Internal Charge Pump Ext. Caps Cap. Value
(µF)
ESD Protect.
(±kV)
Rx Active in Shutdn Package/Pins
min typ nom
MAX3246E 
3.3
5
3 5 250 0.3 Yes 4 0.1 15 5
UCSP/36
MAX3222E 
3.3
5
2 2 250 0.3 Yes 4 0.1 2
PDIP(N)/18
SOIC(W)/18
SSOP/20
TQFN/20
TSSOP/20
MAX3232E 
3.3
5
2 2 250 0.3 Yes 4 0.1 0
PDIP(N)/16
SOIC(W)/16
SSOP/16
TQFN/16
TSSOP/16
TSSOP/20
MAX3237E 
3.3
5
5 3 1000 0.3 Yes 4 0.1 3
SSOP/28
MAX3241E 
3.3
5
3 5 250 0.3 Yes 4 0.1 5
QFN/32
SOIC(W)/28
SSOP/28
TQFN/32
TSSOP/28
MAX3224E 
3.3
5
2 2 250 0.3 Yes 4 0.1 2
PDIP(N)/20
SSOP/20
TQFN/20
TSSOP/20
MAX3225E 
3.3
5
2 2 1000 0.3 Yes 4 0.1 2
PDIP(N)/20
SSOP/20
TQFN/20
TSSOP/20
MAX3226E 
3.3
5
1 1 250 0.3 Yes 4 0.1 2
SSOP/16
TQFN/16
TSSOP/16
MAX3227E 
3.3
5
1 1 1000 0.3 Yes 4 0.1 2
SSOP/16
TQFN/16
TSSOP/16
MAX3244E 
3.3
5
3 5 250 0.3 Yes 4 0.1 5
SOIC(W)/28
SSOP/28
TSSOP/28
MAX3245E 
3.3
5
3 5 1000 0.3 Yes 4 0.1 5
SOIC(W)/28
SSOP/28
TQFN/36
TSSOP/28
MAX3221E 
3.3
5
1 1 250 0.3 Yes 4 0.1 1
SSOP/16
TQFN/16
TSSOP/16
MAX3223E 
3.3
5
2 2 250 0.3 Yes 4 0.1 2
PDIP(N)/20
SSOP/20
TQFN/20
TSSOP/20
MAX3243E 
3.3
5
3 5 250 0.3 Yes 4 0.1 1
SOIC(W)/28
SSOP/28
TQFN/32
TSSOP/28
MAX3185 
5
12
3 5 230 0.38 No 0 - -
SOIC(W)/20
SSOP/20
See All RS-232 Line Driver/Receivers (152)





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