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MAX233 Datasheet(PDF) 8 Page - Maxim Integrated Products

Part No. MAX233
Description  5V-Powered, Multichannel RS-232 Drivers/Receivers
Download  36 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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 8 page
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Input Logic Threshold Low
+5V-Powered, Multichannel RS-232
Drivers/Receivers
8
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS—MAX225/MAX244–MAX249
ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249
(MAX225, VCC = 5.0V ±5%; MAX244–MAX249, VCC = +5.0V ±10%, external capacitors C1–C4 = 1µF; TA = TMIN to TMAX; unless oth-
erwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Supply Voltage (VCC) ...............................................-0.3V to +6V
Input Voltages
TIN‚ ENA, ENB, ENR, ENT, ENRA,
ENRB, ENTA, ENTB..................................-0.3V to (VCC + 0.3V)
RIN .....................................................................................±25V
TOUT (Note 5).....................................................................±15V
ROUT ........................................................-0.3V to (VCC + 0.3V)
Short Circuit (one output at a time)
TOUT to GND ............................................................Continuous
ROUT to GND............................................................Continuous
Continuous Power Dissipation (TA = +70°C)
28-Pin Wide SO (derate 12.50mW/°C above +70°C) .............1W
40-Pin Plastic DIP (derate 11.11mW/°C above +70°C) ...611mW
44-Pin PLCC (derate 13.33mW/°C above +70°C) ...........1.07W
Operating Temperature Ranges
MAX225C_ _, MAX24_C_ _ ..................................0°C to +70°C
MAX225E_ _, MAX24_E_ _ ...............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering,10s) (Note 6) ....................+300°C
VCC = 0V,
VOUT = ±15V
µA
Tables 1a–1d
±0.01
±25
Normal operation
Shutdown
Tables 1a–1d, normal operation
All transmitter outputs loaded with 3k
Ω to GND
ENA, ENB, ENT, ENTA, ENTB =
VCC, VOUT = ±15V
V
RS-232 Input Hysteresis
RS-232 Input Threshold Low
V
V
±5
±7.5
Output Voltage Swing
Output Leakage Current (Shutdown)
±0.01
±25
300
10M
VCC = V+ = V- = 0V, VOUT = ±2V (Note 7)
Transmitter Output Resistance
µA
PARAMETER
±0.05
±0.10
MIN
TYP
MAX
UNITS
Normal operation, outputs disabled,
Tables 1a–1d, 0V
≤ VOUT ≤ VCC, ENR_ = VCC
TTL/CMOS Output Leakage Current
10
30
Shrinking VOUT = VCC
mA
-2
-10
Sourcing VOUT = GND
V
3.5
VCC - 0.2
IOUT = -1.0mA
TTL/CMOS Output Voltage High
V
0.2
0.4
IOUT = 3.2mA
TTL/CMOS Output Voltage Low
k
35
7
0.2
0.5
1.0
VCC = 5V
1.4
0.8
V
TTL/CMOS Output Short-Circuit Current
V
1.8
2.4
0.8
1.3
VCC = 5V
RS-232 Input Resistance
V
±25
RS-232 Input Voltage Operating Range
mA
±7
±30
VOUT = 0V
Output Short-Circuit Current
kbps
120
64
Data Rate
CONDITIONS
VCC = 5V
µA
±0.01
±1
Logic Pull-Up/lnput Current
10
50
Tables 1a–1d
RS-232 Input Threshold High
V
2
1.4
Input Logic Threshold High
RS-232 TRANSMITTERS
RS-232 RECEIVERS
Note 5: Input voltage measured with transmitter output in a high-impedance state, shutdown, or VCC = 0V.
Note 6: Maximum reflow temperature for the MAX225/MAX245/MAX246/MAX247 is +225°C.




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