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MAX3325 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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5 page 
3V Dual RS-232 Transceiver with LCD Supply and Contrast Controller _______________________________________________________________________________________ 5 40 µs/div SD232 T2OUT T1OUT 5V/div 0 2V/div 0 VCC = 3.3V C1–C4 = 0.1 µF TRANSMITTER OUTPUTS EXITING SHUTDOWN OR POWERING UP MAX3325toc04 CL = 2500pF 2 µs/div LOOPBACK WAVEFORMS AT 120kbps T1IN 5V/div T1OUT/ R1IN 5V/div R1OUT 5V/div MAX3325toc05 CL = 1000pF 1 µs/div LOOPBACK WAVEFORMS AT 250kbps T1IN 5V/div T1OUT/ R1IN 5V/div R1OUT 5V/div MAX3325toc06 CL = 1000pF 0 2 1 4 3 5 6 020 10 30 40 VREG vs. LOAD CURRENT LOAD CURRENT (mA) VDD = +3V VDD = +3.3V VDD = +3.6V 0 2 1 4 3 5 6 020 10 30 40 VREG vs. LOAD CURRENT AND TEMPERATURE LOAD CURRENT (mA) TA = +25°C TA = +85°C TA = -40°C -4.5 -3.5 -4.0 -2.5 -3.0 -2.0 -1.5 -40 0 20 -20 40 60 80 100 TEMP OUTPUT VOLTAGE vs. TEMPERATURE TEMPERATURE (°C) Typical Operating Characteristics (continued) (VDD = VL = +3.3V, circuit and components of Figure 1, all transmitters loaded with 3kΩ and CL, TA = +25°C, unless otherwise noted.) |
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