参数资料
型号: MAX3440EESA+T
厂商: Maxim Integrated Products
文件页数: 12/19页
文件大小: 0K
描述: IC TXRX RS-485 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 收发器
驱动器/接收器数: 1/1
规程: RS485
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
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
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
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DRIVER
Figure 1, RL = 100
2
VCC
Differential Driver Output
VOD
Figure 1, RL = 54
1.5
VCC
V
Change in Magnitude of
Differential Output Voltage
VOD
Figure 1, RL = 100
or 54
(Note 2)
0.2
V
Driver Common-Mode
Output Voltage
VOC
Figure 1, RL = 100
or 54
VCC / 2
3
V
Change in Magnitude of
Common-Mode Voltage
VOC
Figure 1, RL = 100
or 54
(Note 2)
0.2
V
DRIVER LOGIC
Driver Input High Voltage
VDIH
2
V
Driver Input Low Voltage
VDIL
0.8
V
Driver Input Current
IDIN
±2
μA
0V
VOUT
+12V
+350
Driver Short-Circuit Output Current
(Note 3)
IOSD
-7V
VOUT
VCC
-350
mA
(VCC - 1V)
VOUT
+12V (Note 3)
+25
Driver Short-Circuit Foldback
Output Current
IOSDF
-7V
VOUT
+1V (Note 3)
-25
mA
RECEIVER
VCC = GND, VA, B = 12V
250
VA, B = -7V
-150
μA
Input Current
IA,B
A, B
VA, B = ±60V
±6
mA
Receiver Differential Threshold
Voltage
VTH
-7V
VCM
+12V
-200
-50
mV
Receiver Input Hysteresis
VTH
25
mV
Note 1: A, B must be terminated with 54
Ω or 100Ω to guarantee ±60V fault protection.
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