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SP3243EBCA-L Datasheet(PDF) 4 Page - Exar Corporation |
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SP3243EBCA-L Datasheet(HTML) 4 Page - Exar Corporation |
4 / 25 page 4 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com SP3243E_102_060611 Unless otherwise noted, the following performance characteristics apply for V CC = +3.3V, 1000kbps data rate, all drivers loaded with 3kΩ, 0.1µF charge pump capacitors, and T AMB = +25°C. Figure 2. Transmitter Output Voltage VS. Supply Voltage for the SP3243EU Figure 6. Transmitter Output Voltage VS. Load Capacitance for the SP3243EB Figure 1. Transmitter Skew VS. Load Capacitance 0 250 500 1000 1500 2000 200 150 100 50 0 Load Capacitance (pF) T1 at 500Kbps T2 at 31.2Kbps All TX loaded 3K // CLoad Figure 3. Transmitter Output Voltage VS. Load Capacitance for the SP3243EU Figure 5. Supply Current VS. Supply Voltage for the SP3243EU Figure 4. Supply Current VS. Load Capacitance for the SP3243EU TYPICAL PERFORMANCE CHARACTERISTICS 2.7 3 3.5 4 4.5 5 Supply V oltage (V) 6 4 2 0 -2 -4 -6 1Driver at 1Mbps Other Drivers at 62.5Kbps All Drivers Loaded with 3K // 250pF 25 20 15 10 5 0 2.7 3 3.5 4 4.5 5 Supply V oltage (V DC) 1 Transmitter at 250Kbps 2 Transmitters at 15.6Kbps All drivers loaded with 3K // 1000pF 0 250 500 1000 1500 2000 Load Capacitance (pF) 6 4 2 0 -2 -4 -6 1 TX at full data rate 2 TX’s at1/16 data rate 2Mbps 1.5Mbps 1Mbps 2Mbps 1.5Mbps 1Mbps 40 35 30 25 20 15 10 5 0 Load Capacitance (pF) 0 1000 2000 3000 4000 5000 250Kbps 120Kbps 20Kbps 1 Transmitter at full Data Rate 2 Transmitters at 15.5 Kbps All Transmitters loades 3K + Load Cap 6 4 2 0 -2 -4 -6 0 1000 2000 3000 4000 5000 TxOUT + TxOUT - Load Capacitance (pF) |
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