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SP3243EUEY-L Datasheet(PDF) 4 Page - Exar Corporation

Part # SP3243EUEY-L
Description  3 Driver/5 Receiver Intelligent 3.0V to 5.5V RS-232 Transceivers
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

SP3243EUEY-L Datasheet(HTML) 4 Page - Exar Corporation

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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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