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MAX1482ESD Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX1482ESD Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 12 page 20µA, 1⁄8-Unit-Load, Slew-Rate-Limited RS-485 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. Supply Voltage (VCC) ...............................................................7V Control Input Voltages (RE, DE) .................-0.5V to (VCC + 0.5V) Driver Input Voltage (DI).............................-0.5V to (VCC + 0.5V) Driver Output Voltages ..........................................-7.5V to 12.5V Receiver Input Voltages (A, B) ..............................-7.5V to 12.5V Receiver Output Voltage (RO)....................-0.5V to (VCC + 0.5V) Continuous Power Dissipation (TA = +70°C) 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .....727mW 14-Pin Plastic DIP (derate 10.00mW/°C above +70°C) .800mW 8-Pin SO (derate 5.88mW/°C above +70°C)..................471mW 14-Pin SO (derate 8.33mW/°C above +70°C)................667mW 8-Pin µMAX (derate 4.10mW/°C above +70°C) .............330mW Operating Temperature Ranges MAX148_C_ _ .......................................................0°C to +70°C MAX148_E_ _.....................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C DC ELECTRICAL CHARACTERISTICS (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) V VIN = -7V VIN = 12V VIN = -7V VIN = 12V Input Current (A, B) IIN2 VTH k Ω 96 -7V ≤ VCM ≤ 12V R = 27 Ω (RS-485), Figure 1 0.4V ≤ VO ≤ 2.4V R = 50 Ω (RS-422), Figure 1 IO = 4mA, VID = -200mV IO = -4mA, VID = 200mV VCM = 0V -7V ≤ VCM ≤ 12V DE, DI, – R — E – DE, DI, – R — E – MAX1483, DE = 0V, VCC = 0V or 5.25V R = 27 Ω or 50Ω, Figure 1 R = 27 Ω or 50Ω, Figure 1 R = 27 Ω or 50Ω, Figure 1 MAX1482, DE = 0V, VCC = 0V or 5.25V CONDITIONS µA ±1 IOZR Three-State (high impedance) Output Current at Receiver V 0.4 VOL Receiver Output Low Voltage 3.5 VOH Receiver Output High Voltage mV 75 ∆VTH Receiver Input Hysteresis V -0.2 0.2 Receiver Differential Threshold Voltage -150 200 µA -100 150 1.5 5 VOD2 Differential Driver Output (with load) V 25 V 5 VOD1 Differential Driver Output (no load) µA ±2 IIN1 Logic Input Current V 0.8 VIL Logic Input Low Voltage V 0.2 ∆VOD Change in Magnitude of Driver Common-Mode Output Voltage for Complementary Output States V 0.2 ∆VOD Change in Magnitude of Driver Differential Output Voltage for Complementary Output States V 3 VOC Driver Common-Mode Output Voltage UNITS MIN TYP MAX SYMBOL PARAMETER RIN Receiver Input Resistance Note 1: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. DE, DI, – R — E – V 2.0 VIH Logic Input High Voltage MAX1482 only, -7V < VY and VZ < 12V µA ±50 IOZD Three-State (high impedance) Output Current at Driver |
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