SP3220B Datasheet, PDF (5/18 Pages) Sipex Corporation – High Speed +3.0V to +5.5V RS-232 Driver/Receiver Pair

TYPICAL PERFORMANCE CHARACTERISTICS: Continued
Unless otherwise noted, the following performance characteristics apply for V_CC = +3.3V, 250kbps data rates, all drivers
loaded with 3kΩ, 0.1µF charge pump capacitors, and T_AMB = +25°C.
6
4
2Mbps 1.5Mbps
1Mbps
2
0
-2
-4
2Mbps 1.5Mbps
1Mbps
-6
0
250
500
1000
1500 2000
Load Capacitance (pF)
6
4
2
0
-2
-4
-6
2.5 2.7
TxOUT +
TxOUT -
3
3.5
4
Supply Voltage (V)
4.5 5
Figure 7. Transmitter Output Voltage vs Load Capaci-
tance for the SP3220U.
Figure 8. Transmiter Output Voltage vs Supply Voltage
for the SP3220U.
16
14
12
10
8
6
4
T1 Loaded with 3K // 1000pf @1Mbps
2
0
2.7
3
3.5
4
4.5
5
Supply Voltage (V)
Figure 9. Supply Current vs Supply Voltage for the
SP3220U.
Rev. 7/8/03
SP3220B/U +3.0 to +5.0V RS-232 Transceivers
5
© Copyright 2003 Sipex Corporation