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SP3221E Datasheet, PDF (6/20 Pages) Sipex Corporation – Intelligent +3.0V to +5.5V RS-232 Transceiver
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for VCC = +3.3V, 250Kbps data rate,
driver loaded with 3kΩ, 0.1µF charge pump capacitors, and TAMB = +25°C.
14
12
10
8
6
4
2
0
2.7 3.2 3.7 4.2 4.7 5.2
Vcc (V)
Figure 2. Supply Current VS. Supply Voltage
6
4
Txout+
2
0
2.7
3.2
3.7
4.2
4.7
5.2
-2
-4
Txout-
-6
Vcc
Figure 3. Transmitter Output Voltage VS. Supply
Voltage
12
10
8
6
4
2
0
0
100
200
300
kb p s
Figure 4. Supply Current VS.Data Rate
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)668-7000 • www.exar.com

SP3221E_102_091014