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SP3243BET Datasheet(PDF) 4 Page - Sipex Corporation |
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SP3243BET Datasheet(HTML) 4 Page - Sipex Corporation |
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4 / 24 page  Rev. 6/30/03 SP3223B/3243B +3.0V to +5.5V RS-232 Transceivers © Copyright 2003 Sipex Corporation 4 Figure 1. Transmitter Output Voltage VS. Load Capacitance for the SP3223B Figure 2. Slew Rate VS. Load Capacitance for the SP3223B TYPICAL PERFORMANCE CHARACTERISTICS Unless otherwise noted, the following performance characteristics apply for V CC = +3.3V, 250kbps data rate, all drivers loaded with 3K Ω, 0.1µF charge pump capacitors, and T AMB = +25°C. 30 25 20 15 10 5 0 0 500 1000 2000 3000 4000 5000 Load Capacitance (pF) - Slew + Slew 1 Transmitter at 250Kbps 1 Transmitter at 15.6Kbps All drivers loaded 3K + Load Cap 35 30 25 20 15 10 5 0 Load Capacitance (pF) 0 1000 2000 3000 4000 5000 250Kbps 125Kbps 20Kbps 1 Transmitter at 250Kbps 1 Transmitter at 15.6Kbps All drivers loaded 3K + Load Cap Figure 3. Supply Current VS. Load Capacitance when Transmitting Data for the SP3223B Figure 4. Supply Current VS. Supply Voltage for the SP3243B 20 15 10 5 0 2.7 3 3.5 4 4.5 5 Supply Voltage (VDC) 1 Transmitter at 250Kbps 2 Transmitters at 15.6Kbps All drivers loaded with 3K // 1000pF Figure 5. Transmitter Output Voltage VS. Supply Voltage for the SP3243B Figure 6. Transmitter Output Voltage VS. Load Capacitance for the SP3243B 6 4 2 0 -2 -4 -6 0 1000 2000 3000 4000 5000 TxOUT + TxOUT - Load Capacitance (pF) 6 4 2 0 -2 -4 -6 0 1000 2000 3000 4000 5000 TxOUT + TxOUT - Load Capacitance (pF) 6 4 2 0 -2 -4 -6 2.7 3 3.5 4 4.5 5 Supply Voltage (VDC) TxOUT - TxOUT + |
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