Maxim > Products > Interface, Interconnect, Signal Integrity > MAX220, MAX222, MAX223, ...
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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

+5V-Powered, Multichannel RS-232 Drivers/Receivers
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Status Explanations for product status codes

Active: In Production.

Description

The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communications interfaces, particularly applications where ±12V is not available.

These parts are especially useful in battery-powered systems, since their low-power shutdown mode reduces power dissipation to less than 5µW. The MAX225, MAX233, MAX235, and MAX245/MAX246/MAX247 use no external components and are recommended for applications where printed circuit board space is critical.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 16 (PDF, 376kB)
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Key Features

  • For Low-Voltage, Integrated ESD Applications
    MAX3222E/MAX3232E/MAX3237E/MAX3241E/MAX3246E: +3.0V to +5.5V, Low-Power, Up to 1Mbps, True RS-232 Transceivers Using Four 0.1µF External Capacitors (MAX3246E Available in a UCSP™ Package)
  • For Low-Cost Applications
    MAX221E: ±15kV ESD-Protected, +5V, 1µA, Single RS-232 Transceiver with AutoShutdown™
 

Applications/Uses

  • Battery-Powered RS-232 Systems
  • Interface Translation
  • Low-Power Modems
  • Multidrop RS-232 Networks
  • Portable Computing
   

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)		 Rx Active in Shutdn Package/Pins Budgetary Price
min typ nom See Notes
MAX220  5 2 2 120 0.5 Yes 4 0.1 -
CDIP(N)/16
PDIP(N)/16
SOIC(N)/16
SOIC(W)/16
 $2.44 @1k
MAX222  5 2 2 200 4 Yes 4 0.1 0
CDIP(N)/18
LCC/20
PDIP(N)/18
SOIC(W)/18
 $2.27 @1k
MAX223  5 4 5 120 7 Yes 4 1 2
SOIC(W)/28
SSOP/28
 $3.65 @1k
MAX225  5 5 5 120 10 Yes 0 - 5
SOIC(W)/28
 $8.40 @1k
MAX230  5 5 0 120 7 Yes 4 1 -
CDIP(N)/20
PDIP(N)/20
SOIC(W)/20
 $3.39 @1k
MAX231 
5
12
 2 2 120 0.4 No 2 1 -
CDIP(N)/14
PDIP(N)/14
SOIC(W)/16
 $1.60 @1k
MAX232  5 2 2 120 5 Yes 4 1 -
CDIP(N)/16
LCC/20
PDIP(N)/16
SOIC(N)/16
SOIC(W)/16
TSSOP/16
 $1.60 @1k
MAX232A  5 2 2 200 4 Yes 4 0.1 -
CDIP(N)/16
LCC/20
PDIP(N)/16
SOIC(N)/16
SOIC(W)/16
TSSOP/16
 $1.74 @1k
MAX233  5 2 2 120 5 Yes 0 - -
PDIP(N)/20
SOIC(W)/20
 $3.30 @1k
MAX233A  5 2 2 200 4 Yes 0 - -
PDIP(N)/20
SOIC(W)/20
 $4.77 @1k
MAX234  5 4 0 120 7 Yes 4 1 -
CDIP(N)/16
PDIP(N)/16
SOIC(W)/16
 $2.65 @1k
MAX235  5 5 5 120 7 Yes 0 - -
PDIP(W)/24
 $7.26 @1k
MAX236  5 4 3 120 7 Yes 4 1 -
CDIP(N)/24
PDIP(N)/24
SOIC(W)/24
 $3.39 @1k
MAX237  5 5 3 120 7 Yes 4 1 -
CDIP(N)/24
PDIP(N)/24
SOIC(W)/24
 $3.39 @1k
MAX238  5 4 4 120 7 Yes 4 1 -
CDIP(N)/24
PDIP(N)/24
SOIC(W)/24
 $3.39 @1k
MAX239 
5
12
 3 5 120 0.4 No 2 1 -
CDIP(N)/24
PDIP(N)/24
SOIC(W)/24
 $3.39 @1k
MAX240  5 5 5 120 7 Yes 4 1 -
MQFP/44
 $5.50 @1k
MAX241  5 4 5 120 7 Yes 4 1 -
SOIC(W)/28
SSOP/28
 $3.41 @1k
MAX242  5 2 2 200 4 Yes 4 0.1 2
CDIP(N)/18
PDIP(N)/18
SOIC(W)/18
SSOP/20
 $2.27 @1k
MAX243  5 2 2 200 4 Yes 4 0.1 -
CDIP(N)/16
PDIP(N)/16
SOIC(N)/16
SOIC(W)/16
 $2.44 @1k
MAX244  5 8 10 120 11 Yes 4 1 -
PLCC/44
 $8.98 @1k
MAX245  5 8 10 120 11 Yes 0 - 10
PDIP(W)/40
 -
MAX246  5 8 10 120 11 Yes 0 - 10
PDIP(W)/40
 -
MAX247  5 8 9 120 11 Yes 0 - 9
PDIP(W)/40
 -
MAX248  5 8 8 120 11 Yes 4 1 8
PLCC/44
 $8.98 @1k
MAX249  5 6 10 120 11 Yes 4 1 10
PLCC/44
 $8.98 @1k
See All RS-232 Line Driver/Receivers (152)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX220, MAX232, MAX232A: Pin Configuration and Typical Operating Circuit
MAX220, MAX232, MAX232A: Pin Configuration and Typical Operating Circuit

Notes and Comments

Maximum reflow temperature is +225°C

More Information

New Product Press Release [ 2008-11-25 ]
RS232 Resources

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Description
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Notes and Comments
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Document Ref.: 19-4323 Rev 16; 2010-09-27
This page last modified: 2011-11-14



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