XR32330 Datasheet, PDF (7/13 Pages) Exar Corporation – 3-Driver/3-Receiver Intelligent RS-232 Transceiver

Typical Performance Characteristics
XR32330
6
4
2
T1 at 250Kbps
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 1: Transmitter Output Voltage vs Supply Voltage
35
T1 at Full Data Rate
30
T2 & T3 at 15.5Kbps
All Drivers loaded with 3K: // 1000pF
25
20
15
10
5
0
2.5
3
3.5
4
Supply Voltage (V)
250Kbps
4.5
5
Figure 3: Supply Current vs Supply Voltage
45
T1 Driver at full Data Rate
40
T2 & T3 Drivers at 15.5Kbps
35
all Drivers loaded with 3K: // C_Load
30
250Kbps
120Kbps
25
20
20Kbps
15
10
5
0
0
1000
2000
3000
4000
Load Capacitance (pF)
5000
Figure 2: Supply Current vs Load Capacitance
6
4
2
0
-2
-4
-6
0
TxOUT+
XR32330EB, 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 4: Transmitter Output Voltage vs Load Capacitance
© 2014 Exar Corporation
7 / 13
exar.com/XR32330
Rev 1B