SP3243EU Ver la hoja de datos (PDF) - Signal Processing Technologies
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SP3243EU Datasheet PDF : 25 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for V = +3.3V, 1000kbps data rate, all drivers
CC
loaded with 3kΩ, 0.1µF charge pump capacitors, and TAMB = +25°C.
6
4 2Mbps
1.5Mbps
1Mbps
2
0
1 TX at full data rate
2 TX’s at1/16 data rate
-2
-4
2Mbps
1.5Mbps
1Mbps
-6
0
250
500 1000 1500
Load Capacitance (pF)
2000
Figure 7. Transmitter Output Voltage VS. Load
Capacitance for the SP3243EU
120
100
80
60
40
20
0
0
Slew +
1 TX at 1Mbps
2 TX’s at 62.5Kbps
All TX loaded 3K // CLoad
Slew -
250 500 1000 1500
Load Capacitance (pF)
2000
Figure 8. Slew Rate VS. Load Capacitance for the
SP3243EU
50
40
2 Mbps
30
1.5 Mbps
1 Mbps
20
10
0
0
1 TX at full data rate
2 TX’s at 1/16 data rate
All TX loaded 3K // CLoad
250
500
1000
Load Capacitance (pF)
1500
Figure 9. Supply Current VS. Load Capacitance for the
SP3243EU
30
25
20
15
10
5
0
2.7
1 Driver at 1Mbps
Other Drivers at 62.5Kbps
All Drivers Loaded with 3K // 250pF
3
3.5
4
4.5
5
Supply Voltage (V)
Figure 10. Supply Current VS. Supply Voltage for the
SP3243EU
Date: 06/28/04
SP3223EU/3243EU +3.0V to +5.5V RS-232 Transceivers
5
© Copyright 2004 Sipex Corporation
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