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MAX218C/D Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX218C/D Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 8 page ![]() 1.8V to 4.25V-Powered, True RS-232 Dual Transceiver 4 _______________________________________________________________________________________ 8 -8 0 TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE AT 120kbps LOAD CAPACITANCE (pF) 3000 0 -2 -6 -4 1000 2000 5000 6 4 2 4000 VOUT+ VOUT- 12 0 SLEW RATE vs. TRANSMITTER CAPACITANCE LOAD CAPACITANCE (pF) 3000 4 2 0 1000 2000 5000 10 8 6 4000 +SLEW -SLEW DATA RATE 120kbps, TRANSMITTERS LOADED WITH 3k Ω PLUS INDICATED CAPACITANCE __________________________________________Typical Operating Characteristics (Circuit of Figure 1, VCC = 1.8V, all transmitter outputs loaded with 3kΩ, TA = +25°C, unless otherwise noted.) 120 140 0 1.8 SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 3.6 60 40 20 2.4 3.0 80 100 4.2 1 TRANSMITTER FULL DATA RATE 1 TRANSMITTER 1/8 DATA RATE RL = 3kΩ + 2500pF 240kbps 120kbps 20kbps 0kbps 100 20 0 TRANSMITTING SUPPLY CURRENT vs. LOAD CAPACITANCE LOAD CAPACITANCE (pF) 3000 60 50 30 40 1000 2000 5000 90 80 70 4000 20kbps 120kbps VCC = 2.4V TRANSMITTER 1 OPERATING AT SPECIFIED BIT RATE, TRANSMITTER 2 OPERATING AT 1/16 THAT RATE. 235kbps VOH SHDN T_OUT 2V/div VOL TIME TO EXIT SHUTDOWN (ONE TRANSMITTER HIGH, ONE TRANSMITTER LOW) 100 µs/div VCC = 1.8V RL = 3kΩ || 2500pF |
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