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MAX232A Datasheet

  • MAX232A

  • "+5V-Powered, Multichannel RS-232 Drivers/ Receivers"

  • 454.20KB

  • Maxim

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19-4323; Rev 9; 4/00
+5V-Powered, Multichannel RS-232
Drivers/Receivers
General Description
The MAX220鈥揗AX249 family of line drivers/receivers is
intended for all EIA/TIA-232E and V.28/V.24 communica-
tions interfaces, particularly applications where 卤12V is
not available.
These parts are especially useful in battery-powered sys-
tems, since their low-power shutdown mode reduces
power dissipation to less than 5碌W. The MAX225,
MAX233, MAX235, and MAX245/MAX246/MAX247 use
no external components and are recommended for appli-
cations where printed circuit board space is critical.
____________________________Features
Superior to Bipolar
o
Operate from Single +5V Power Supply
(+5V and +12V鈥擬AX231/MAX239)
o
Low-Power Receive Mode in Shutdown
(MAX223/MAX242)
o
Meet All EIA/TIA-232E and V.28 Specifications
o
Multiple Drivers and Receivers
o
3-State Driver and Receiver Outputs
o
Open-Line Detection (MAX243)
MAX220鈥揗AX249
________________________Applications
Portable Computers
Low-Power Modems
Interface Translation
Battery-Powered RS-232 Systems
Multidrop RS-232 Networks
PART
MAX220CPE
MAX220CSE
MAX220CWE
MAX220C/D
MAX220EPE
MAX220ESE
MAX220EWE
MAX220EJE
MAX220MJE
Ordering Information
TEMP. RANGE
0掳C to +70掳C
0掳C to +70掳C
0掳C to +70掳C
0掳C to +70掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-55掳C to +125掳C
PIN-PACKAGE
16 Plastic DIP
16 Narrow SO
16 Wide SO
Dice*
16 Plastic DIP
16 Narrow SO
16 Wide SO
16 CERDIP
16 CERDIP
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
Selection Table
Part
Number
MAX220
MAX222
MAX223 (MAX213)
MAX225
MAX230 (MAX200)
MAX231 (MAX201)
MAX232 (MAX202)
MAX232A
MAX233 (MAX203)
MAX233A
MAX234 (MAX204)
MAX235 (MAX205)
MAX236 (MAX206)
MAX237 (MAX207)
MAX238 (MAX208)
MAX239 (MAX209)
MAX240
MAX241 (MAX211)
MAX242
MAX243
MAX244
MAX245
MAX246
MAX247
MAX248
MAX249
Power
Supply
(V)
+5
+5
+5
+5
+5
+5 and
+7.5 to +13.2
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5 and
+7.5 to +13.2
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
No. of
RS-232
Drivers/Rx
2/2
2/2
4/5
5/5
5/0
2/2
2/2
2/2
2/2
2/2
4/0
5/5
4/3
5/3
4/4
3/5
5/5
4/5
2/2
2/2
8/10
8/10
8/10
8/9
8/8
6/10
No. of
Ext. Caps
4
4
4
0
4
2
4
4
0
0
4
0
4
4
4
2
4
4
4
4
4
0
0
0
4
4
Nominal
Cap. Value
(碌F)
4.7/10
0.1
1.0 (0.1)
鈥?/div>
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
0.1
鈥?/div>
鈥?/div>
1.0 (0.1)
鈥?/div>
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
1.0
1.0 (0.1)
0.1
0.1
1.0
鈥?/div>
鈥?/div>
鈥?/div>
1.0
1.0
SHDN
& Three-
State
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Rx
Active in
SHDN
鈥?/div>
鈥?/div>
鉁?/div>
鉁?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鉁?/div>
鈥?/div>
鈥?/div>
鉁?/div>
鉁?/div>
鉁?/div>
鉁?/div>
鉁?/div>
Data Rate
(kbps)
120
200
120
120
120
120
120 (64)
200
120
200
120
120
120
120
120
120
120
120
200
200
120
120
120
120
120
120
Features
Ultra-low-power, industry-standard pinout
Low-power shutdown
MAX241 and receivers active in shutdown
Available in SO
5 drivers with shutdown
Standard +5/+12V or battery supplies;
same functions as MAX232
Industry standard
Higher slew rate, small caps
No external caps
No external caps, high slew rate
Replaces 1488
No external caps
Shutdown, three state
Complements IBM PC serial port
Replaces 1488 and 1489
Standard +5/+12V or battery supplies;
single-package solution for IBM PC serial port
DIP or flatpack package
Complete IBM PC serial port
Separate shutdown and enable
Open-line detection simplifies cabling
High slew rate
High slew rate, int. caps, two shutdown modes
High slew rate, int. caps, three shutdown modes
High slew rate, int. caps, nine operating modes
High slew rate, selective half-chip enables
Available in quad flatpack package
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

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  • MAX207
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  • MAX208
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  • MAX209
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  • MAX210
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