MAX3440EASA(2010) データシートの表示（PDF） - Maxim Integrated
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MAX3440EASA
(Rev.:2010)
(Rev.:2010)
Maxim Integrated
MAX3440EASA Datasheet PDF : 19 Pages
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±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to GND
VCC ........................................................................................+7V
FAULT, DE/RE, RE, DE, DE, DI, TXD..........-0.3V to (VCC + 0.3V)
A, B (Note 1) ........................................................................±60V
RO ..............................................................-0.3V to (VCC + 0.3V)
Short-Circuit Duration (RO, A, B) ...............................Continuous
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.9mW/°C above +70°C) ...........................471mW
PDIP (derate 9.09mW/°C above +70°C) ......................727mW
Operating Temperature Ranges
MAX344_EE_ _ ...............................................-40°C to +85°C
MAX344_EA_ _ .............................................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Note 1: A, B must be terminated with 54Ω or 100Ω to guarantee ±60V fault protection.
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.
DC ELECTRICAL CHARACTERISTICS
(VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
DRIVER
Differential Driver Output
Change in Magnitude of
Differential Output Voltage
SYMBOL
CONDITIONS
VOD
VOD
Figure 1, RL = 100
Figure 1, RL = 54
Figure 1, RL = 100 or 54 (Note 2)
MIN TYP MAX
2
VCC
1.5
VCC
0.2
Driver Common-Mode
Output Voltage
VOC Figure 1, RL = 100 or 54
VCC / 2 3
Change in Magnitude of
Common-Mode Voltage
VOC Figure 1, RL = 100 or 54 (Note 2)
0.2
DRIVER LOGIC
Driver Input High Voltage
Driver Input Low Voltage
Driver Input Current
Driver Short-Circuit Output Current
(Note 3)
Driver Short-Circuit Foldback
Output Current
RECEIVER
Input Current
Receiver Differential Threshold
Voltage
Receiver Input Hysteresis
VDIH
VDIL
IDIN
IOSD
IOSDF
0V VOUT +12V
-7V VOUT VCC
(VCC - 1V) VOUT +12V (Note 3)
-7V VOUT +1V (Note 3)
IA,B
VTH
VTH
A, B
VCC = GND, VA, B = 12V
VA, B = -7V
VA, B = ±60V
-7V VCM +12V
2
-350
+25
-200
0.8
±2
+350
-25
250
-150
±6
-50
25
UNITS
V
V
V
V
V
V
μA
mA
mA
μA
mA
mV
mV
2 _______________________________________________________________________________________
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