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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX1480ACPI датащи(PDF) 2 Page - Maxim Integrated Products |
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MAX1480ACPI датащи(HTML) 2 Page - Maxim Integrated Products |
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2 / 21 page  Complete, Isolated RS-485/RS-422 Data Interface 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHARACTERISTICS (VCC_ = 5V ±10%, VFS = VCC_, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC_ = 5V and TA = +25°C.) (Notes 1, 2) 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. With Respect to GND_ Supply Voltage (VCC_)...........................................-0.3V to +6V Control Input Voltage (SD, FS)...............-0.3V to (VCC_ + 0.3V) Receiver Output Voltage (RO, RO)........-0.3V to (VCC_ + 0.3V) Output Switch Voltage (D1, D2)........................................+12V With Respect to ISO COM_ Control Input Voltage (ISO DE_ ) ....-0.3V to (ISO VCC_ + 0.3V) Driver Input Voltage (ISO DI_ ) .......-0.3V to (ISO VCC_ + 0.3V) Receiver Output Voltage (ISO RO_) ...-0.3V to (ISO VCC_ + 0.3V) Driver Output Voltage (A, B, Y, Z ) ......................-8V to +12.5V Receiver Input Voltage (A, B)..............................-8V to +12.5V LED Forward Current (DI, DE, ISO RO LED) ......................50mA Continuous Power Dissipation (TA = +70°C) 24-Pin Plastic DIP (derate 8.7mW°C above +70°C) .....696mW 28-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ..727mW Operating Temperature Ranges MAX1480_CPI/MAX1490_CPG ............................0°C to +70°C MAX1480_EPI/MAX1490_EPG .........................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10s) .................................+300°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS fSWL VFS = 0V 535 Switch Frequency fSWH FS = VCC_ or open 725 kHz RL = ∞, +25°C only 60 90 MAX1480A, DE´ = VCC_ or open RL = 54 Ω 120 RL = ∞, +25°C only 35 45 MAX1480B, DE´ = VCC_ or open RL = 54 Ω 95 RL = ∞, +25°C only 35 75 MAX1480C, DE´ = VCC_ or open RL = 54 Ω 95 RL = ∞, +25°C only 100 150 MAX1490A RL = 54 Ω 170 RL = ∞, +25°C only 65 125 Operating Supply Current ICC MAX1490B RL = 54 Ω 130 mA Shutdown Supply Current (Note 3) ISHDN SD = VCC_ 0.2 µA VSDH High 2.4 Shutdown Input Threshold VSDL Low 0.8 V Shutdown Input Leakage Current 10 pA VFSH High 2.4 FS Input Threshold VFSL Low 0.8 V FS Input Pullup Current FS low 50 µA FS Input Leakage Current FS high 10 pA Input High Voltage VIH DE´, DI´ VCC_ - 0.4 V Input Low Voltage VIL DE´, DI´ 0.4 V Isolation Resistance RISO TA = +25 °C, VISO = 50VDC 100 10,000 M Ω Isolation Capacitance CISO TA = +25 °C, VISO = 50VDC 10 pF Differential Driver Output (No Load) VOD1 8V |
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