XR32430EUCRTR-F Datasheet, PDF (7/14 Pages) Exar Corporation – 3-Driver/5-Receiver Intelligent RS-232 Transceiver with 1.65V-5.5V Interface

Typical Performance Characteristics
200
150
100
T1 at 1Mbps
T2/T3 at 31.2Kbps
All TX loaded with 3K: // C_Load
50
0
0
500
1000
1500
2000
Load Capacitance (pF)
Figure 1: Transmitter Skew vs Load Capacitance
6
4
2
1 Driver at 1Mbps
0
Other Drivers at 62.5Kbps
All Drivers loaded with 3K: // 250pF
-2
-4
-6
2.5
3
3.5
4
4.5
5
Supply Voltage (V)
Figure 2: Transmitter Output Voltage vs Supply Voltage
6
4
2
0
-2
-4
-6
0
XR32430EH, Supply = 3.3V,
T1 at Full Data Rate (1Mbps)
T2/T3 at 1/16th data rate
All Drivers loads 3K: // C_Load
500
1000
1500
2000
Load Capacitance (pF)
Figure 3: Transmitter Output Voltage vs Load Capacitance
XR32430/XR32431
70
T1 Driver at full Data Rate
T2/T3 Drivers at 15.5Kbps
60 all Drivers loaded with 3K: // C_Load
50
1Mbps
40
250Kbps
30
120Kbps
20
20Kbps
10
0
0
1000
2000
3000
4000
5000
Load Capacitance (pF)
Figure 4: Supply Current vs Load Capacitance
50
T1 at Full Data Rate
45 ^{T2/T3 at 15.5Kbps}
All drivers loaded with 3K: // 1000pF
40
35
30
25
20
15
10
5
0
2.5
3
3.5
4
Supply Voltage (V)
1Mbps
500Kbps
250Kbps
4.5
5
Figure 5: Supply Current vs Supply Voltage
6
4
2
0
-2
-4
-6
0
TxOUT+
XR32430EB, Supply = 3.3V,
T1 Driver at 250Kbps
T2/T3 Drivers at 15.5Kbps
All Drivers loads 3K: // C_Load
TxOUT-
1000
2000
3000
4000
5000
Load Capacitance (pF)
Figure 6: Transmitter Output Voltage vs Load Capacitance
© 2014 Exar Corporation
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exar.com/XR32430_XR32431
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