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MAX3490ESA Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX3490ESA Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 16 page 3.3V-Powered, 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS DC ELECTRICAL CHARACTERISTICS (VCC = 3.3V ±0.3V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C) 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 Voltage (RE, DE) ...................................-0.3V to 7V Driver Input Voltage (DI) .............................................-0.3V to 7V Driver Output Voltage (A, B, Y, Z)..........................-7.5V to 12.5V Receiver Input Voltage (A, B) ................................-7.5V to 12.5V Receiver Output Voltage (RO)....................-0.3V to (VCC + 0.3V) Continuous Power Dissipation (TA = +70°C) 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) .....727mW 8-Pin SO (derate 5.88mW/°C above +70°C)..................471mW 14-Pin Plastic DIP (derate 10mW/°C above +70°C) ......800mW 14-Pin SO (derate 8.33mW/°C above +70°C)................667mW Operating Temperature Ranges MAX34_ _C_ _.......................................................0°C to +70°C MAX34_ _E_ _ ....................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10sec) .............................+300°C DE = 0V, VCC = 0V or 3.6V DE = 0V, RE = VCC, VCC = 0V or 3.6V, MAX3491 DE = 0V, RE = 0V, VCC = 0V or 3.6V, MAX3491 k Ω 12 RIN Receiver Input Resistance µA ±1 IOZR Three-State (High Impedance) Output Current at Receiver V 0.4 VOL Receiver Output Low Voltage V VCC - 0.4 VOH Receiver Output High Voltage mV 50 ∆VTH Receiver Input Hysteresis V -0.2 0.2 VTH Receiver Differential Threshold Voltage µA -1 IO Output Leakage (Y, Z) in Shutdown Mode 1 µA -20 IO Output Leakage (Y, Z) V 0.2 ∆VOD Change in Magnitude of Driver Differential Output Voltage for Complementary Output States (Note 1) V 1.5 VOD 2.0 Differential Driver Output 20 mA -0.8 IIN2 Input Current (A, B) 1.0 µA ±2 IIN1 Logic Input Current V 3 VOC Driver Common-Mode Output Voltage V 0.2 ∆VOC Change in Magnitude of Common-Mode Output Voltage (Note 1) V 2.0 VIH Input High Voltage V 0.8 VIL Input Low Voltage UNITS MIN TYP MAX SYMBOL PARAMETER RL = 54Ω or 100Ω, Figure 4 -7V ≤ VCM ≤ 12V RL = 54Ω (RS-485), Figure 4 VCC = 3.6V, 0V ≤ VOUT ≤ VCC RL = 100Ω (RS-422), Figure 4 IOUT = 2.5mA, VID = 200mV, Figure 6 IOUT = -1.5mA, VID = 200mV, Figure 6 VCM = 0V VOUT = 12V VIN = -7V -7V ≤ VCM ≤ 12V VOUT = -7V VIN = 12V DE, DI, RE RL = 54Ω or 100Ω, Figure 4 RL = 54Ω or 100Ω, Figure 4 DE, DI, RE VOUT = 12V DE, DI, RE VOUT = -7V CONDITIONS RL = 60Ω (RS-485), VCC = 3.3V, Figure 5 1.5 |
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