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參數(shù)資料
| 型號： | MAX238 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁數(shù)： | 1/36頁 |
| 文件大小： | 442K |
| 代理商： | MAX238 |
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General Description
The MAX220–MAX249 family of line drivers/receivers is
intended for all EIA/TIA-232E and V.28/V.24 communica-
tions interfaces, particularly applications where ±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 5μW. 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.
________________________Applications
Portable Computers
Low-Power Modems
Interface Translation
Battery-Powered RS-232 Systems
Multidrop RS-232 Networks
____________________________Features
Superior to Bipolar
o
Operate from Single +5V Power Supply
(+5V and +12V—MAX231/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)
Ordering Information
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
M
+5V-Powered, Multichannel RS-232
Drivers/Receivers
________________________________________________________________
Maxim Integrated Products
1
Selection Table
19-4323; Rev 9; 4/00
PART
MAX220
CPE
MAX220CSE
MAX220CWE
MAX220C/D
MAX220EPE
MAX220ESE
MAX220EWE
MAX220EJE
MAX220MJE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
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
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
-40°C to +85°C
Power
Supply
(V)
+5
+5
No. of
RS-232
Drivers/Rx Ext. Caps (μF)
2/2
4
2/2
4
4/5
4
5/5
0
5/0
4
2/2
2
Nominal
Cap. Value & Three- Active in Data Rate
State
4.7/10
No
0.1
Yes
1.0 (0.1)
Yes
—
Yes
1.0 (0.1)
Yes
1.0 (0.1)
No
SHDN
Rx
Part
Number
MAX220
MAX222
MAX223 (MAX213) +5
MAX225
MAX230 (MAX200) +5
MAX231 (MAX201) +5 and
No. of
SHDN
—
—
—
—
(kbps)
120
200
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
+5
+7.5 to +13.2
MAX232 (MAX202) +5
MAX232A
MAX233 (MAX203) +5
MAX233A
MAX234 (MAX204) +5
MAX235 (MAX205) +5
MAX236 (MAX206) +5
MAX237 (MAX207) +5
MAX238 (MAX208) +5
MAX239 (MAX209) +5 and
2/2
2/2
2/2
2/2
4/0
5/5
4/3
5/3
4/4
3/5
4
4
0
0
4
0
4
4
4
2
1.0 (0.1)
0.1
—
—
1.0 (0.1)
—
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
No
No
No
No
No
Yes
Yes
No
No
No
—
—
—
—
—
—
—
—
—
—
120 (64)
200
120
200
120
120
120
120
120
120
+5
+5
+7.5 to +13.2
+5
MAX240
MAX241 (MAX211) +5
MAX242
MAX243
MAX244
MAX245
MAX246
MAX247
MAX248
MAX249
5/5
4/5
2/2
2/2
8/10
8/10
8/10
8/9
8/8
6/10
4
4
4
4
4
0
0
0
4
4
1.0
1.0 (0.1)
0.1
0.1
1.0
—
—
—
1.0
1.0
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
—
—
—
—
120
120
200
200
120
120
120
120
120
120
+5
+5
+5
+5
+5
+5
+5
+5
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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