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부품번호 | 232CPE 기능 |
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기능 | MAX232CPE | ||
제조업체 | Maxim Integrated Products | ||
로고 | |||
전체 30 페이지수
19-4323; Rev 15; 1/06
+5V-Powered, Multichannel RS-232
Drivers/Receivers
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,
www.DataSheeMt4UA.Xco2m33, MAX235, and MAX245/MAX246/MAX247 use
no external components and are recommended for appli-
cations where printed circuit board space is critical.
Next-Generation
Device 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
Portable Computers
Low-Power Modems
Interface Translation
Battery-Powered RS-232 Systems
Multidrop RS-232 Networks
AutoShutdown and UCSP are trademarks of Maxim Integrated
Products, Inc.
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX220CPE
0°C to +70°C
16 Plastic DIP
MAX220CSE
0°C to +70°C
16 Narrow SO
MAX220CWE
0°C to +70°C
16 Wide SO
MAX220C/D
0°C to +70°C
Dice*
MAX220EPE
-40°C to +85°C
16 Plastic DIP
MAX220ESE
-40°C to +85°C
16 Narrow SO
MAX220EWE
-40°C to +85°C
16 Wide SO
MAX220EJE
-40°C to +85°C
16 CERDIP
MAX220MJE
-55°C to +125°C 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
No. of
Supply
RS-232
(V) Drivers/Rx
+5 2/2
+5 2/2
+5 4/5
+5 5/5
+5 5/0
+5 and
2/2
+7.5 to +13.2
+5 2/2
+5 2/2
+5 2/2
+5 2/2
+5 4/0
+5 5/5
+5 4/3
+5 5/3
+5 4/4
+5 and
3/5
+7.5 to +13.2
+5 5/5
+5 4/5
+5 2/2
+5 2/2
+5 8/10
+5 8/10
+5 8/10
+5 8/9
+5 8/8
+5 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
(µF)
0.047/0.33
0.1
1.0 (0.1)
—
1.0 (0.1)
1.0 (0.1)
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)
1.0
1.0 (0.1)
0.1
0.1
1.0
—
—
—
1.0
1.0
SHDN
& Three-
State
No
Yes
Yes
Yes
Yes
No
Rx
Active in
SHDN
—
—
✔
✔
—
—
Data Rate
(kbps)
120
200
120
120
120
120
No —
No —
No —
No —
No —
Yes —
Yes —
No —
No —
No —
120 (64)
200
120
200
120
120
120
120
120
120
Yes —
Yes —
Yes ✔
No —
No —
Yes ✔
Yes ✔
Yes ✔
Yes ✔
Yes ✔
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 pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
+5V-Powered, Multichannel RS-232
Drivers/Receivers
ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued)
(VCC = +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, TA = TMIN to TMAX‚ unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Receiver Propagation Delay RS-232 to
TLL (Normal Operation), Figure 2
www.DataSheet4U.com
tPHLR
tPLHR
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
0.5 1
0.6 3
0.6 1
0.8 3
µs
Receiver Propagation Delay RS-232 to
TLL (Shutdown), Figure 2
tPHLS
tPHLS
MAX242
MAX242
0.5 10
2.5 10
µs
Receiver-Output Enable Time, Figure 3 tER
Receiver-Output Disable Time, Figure 3 tDR
Transmitter-Output Enable Time (SHDN
Goes High), Figure 4
tET
Transmitter-Output Disable Time (SHDN
Goes Low), Figure 4
tDT
Transmitter + to - Propagation Delay
Difference (Normal Operation)
tPHLT - tPLHT
MAX242
MAX242
MAX222/MAX242, 0.1µF
caps (includes charge-pump
start-up)
MAX222/MAX242,
0.1µF caps
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
125 500
160 500
250
ns
ns
µs
600
300
2000
ns
ns
Receiver + to - Propagation Delay
Difference (Normal Operation)
tPHLR - tPLHR
MAX222/MAX232A/MAX233/
MAX242/MAX243
MAX220
100
225
ns
__________________________________________Typical Operating Characteristics
MAX220/MAX222/MAX232A/MAX233A/MAX242/MAX243
AVAILABLE OUTPUT CURRENT
MAX222/MAX242
OUTPUT VOLTAGE vs. LOAD CURRENT
vs. DATA RATE
ON-TIME EXITING SHUTDOWN
10
1µF
8
6 EITHER V+ OR V- LOADED
4 VCC = ±5V
NO LOAD ON
2 TRANSMITTER OUTPUTS
0.1µF
0 (EXCEPT MAX220, MAX233A)
-2 V- LOADED, NO LOAD ON V+
-4
0.1µF
1µF
11
10
ALL CAPS
9 1µF
8
7
ALL CAPS
0.1µF
6
OUTPUT LOAD CURRENT
FLOWS FROM V+ TO V-
VCC = +5.25V
VCC = +4.75V
+10V
1µF CAPS
V+
+5V
0.1µF CAPS
+5V
SHDN
0V
0V
1µF CAPS
V+
-6
-8
-10
0
V+ LOADED, NO LOAD ON V-
5 10 15 20 25
5
4
0
10 20
30 40 50 60
V-
-10V
0.1µF CAPS
500µs/div
V-
LOAD CURRENT (mA)
DATA RATE (kbits/sec)
4 _______________________________________________________________________________________
4페이지 +5V-Powered, Multichannel RS-232
Drivers/Receivers
__________________________________________Typical Operating Characteristics
MAX223/MAX230–MAX241
8.5
www.DataSheet4U.com
8.0
TRANSMITTER OUTPUT
VOLTAGE (VOH) vs. VCC
2 TRANSMITTERS
LOADED
1 TRANSMITTER
LOADED
7.5
3 TRANS-
MITTERS
LOADED
7.0
6.5
4.5
TA = +25°C
C1–C4 = 1µF
TRANSMITTER
4 TRANSMITTERS LOADS =
LOADED
3kΩ || 2500pF
5.0 5.5
VCC (V)
TRANSMITTER OUTPUT
VOLTAGE (VOL) vs. VCC
-6.0
4 TRANS- TA = +25°C
MITTERS C1–C4 = 1µF
-6.5 LOADED TRANSMITTER
LOADS =
-7.0 3kΩ || 2500pF
-7.5
1 TRANS-
-8.0 MITTER
LOADED
-8.5 2 TRANS-
MITTERS
LOADED
-9.0
4.5
3 TRANS-
MITTERS
LOADED
5.0
VCC (V)
5.5
TRANSMITTER OUTPUT VOLTAGE (VOH)
vs. LOAD CAPACITANCE AT
DIFFERENT DATA RATES
7.4
7.2
7.0
6.8 160kbits/sec
80kbits/sec
6.6 20kbits/sec
6.4 TA = +25°C
VCC = +5V
6.2
3 TRANSMITTERS LOADED
RL = 3kΩ
C1–C4 = 1µF
6.0
0 500 1000 1500
2000
LOAD CAPACITANCE (pF)
2500
TRANSMITTER OUTPUT VOLTAGE (VOL)
vs. LOAD CAPACITANCE AT
DIFFERENT DATA RATES
-6.0
TA = +25°C
-6.2 VCC = +5V
3 TRANSMITTERS LOADED
-6.4 RL = 3kΩ
C1–C4 = 1µF
-6.6
-6.8
160kbits/sec
80kbits/sec
-7.0 20Kkbits/sec
-7.2
-7.4
-7.6
0
500 1000 1500 2000
LOAD CAPACITANCE (pF)
2500
V+, V- WHEN EXITING SHUTDOWN
(1µF CAPACITORS)
MAX220-13
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
12.0
1 TRANSMITTER LOADED TA = +25°C
11.0 VCC = +5V
LOADED, RL = 3kΩ
10.0 C1–C4 = 1µF
9.0 2 TRANSMITTERS
LOADED
8.0
7.0
6.0
5.0
4.0
0
3 TRANSMITTERS
LOADED
4 TRANSMITTERS
LOADED
500 1000 1500 2000
LOAD CAPACITANCE (pF)
2500
TRANSMITTER OUTPUT VOLTAGE (V+, V-)
vs. LOAD CURRENT
10
8
6 TA = +25°C
4 VCC = +5V
C1–C4 = 1µF
2
0
-2
V+ AND V-
EQUALLY
LOADED
V- LOADED,
NO LOAD
ON V+
V+ LOADED,
NO LOAD
ON V-
-4
-6
-8
ALL TRANSMITTERS UNLOADED
-10
0 5 10 15 20 25 30 35 40 45 50
CURRENT (mA)
V+
O
V-
SHDN*
500ms/div
*SHUTDOWN POLARITY IS REVERSED
FOR NON MAX241 PARTS
_______________________________________________________________________________________
7
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232CPE | MAX232CPE | Maxim Integrated Products |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |