Rev. A Date:12/11/03

SP3222EU/3232EU 3.3V, 1000kbps RS-232 Transceivers

© Copyright 2003 Sipex Corporation

4

Figure 1. Transmitter Output Voltage vs Load

Capacitance for the SP3222EU and the SP3232EU

Figure 2. Slew Rate vs Load Capacitance for the

SP3222EU and the SP3232EU

Figure 3. Supply Current vs Load Capacitance when

Transmitting Data for the SP3222EU and the SP3232EU

TYPICAL PERFORMANCE CHARACTERISTICS

Unless otherwise noted, the following performance characteristics apply for V

loaded with 3k

Ω, 0.1µF charge pump capacitors, and T

0

250

500

1000

1500

Load Capacitance (pF)

6

4

2

0

-2

-4

-6

T1 at 1Mbps

T2 at 62.5Kbps

0

250

500

1000

1500

2000

Load Capacitance (pF)

120

100

80

60

40

20

0

T1 at 1Mbps

T2 at 62.5Kbps

All TX loaded 3K // CLoad

0

250

500

1000

1500

Load Capacitance (pF)

35

30

20

15

10

5

0

T1 at 1Mbps

T2 at 62.5Kbps

2.7

3

3.5

4

4.5

5

Supply Voltage (V)

20

15

10

5

0

T1 at Mbps

T2 at 62.5Kbps

2.7

3

3.5

4

4.5

5

Supply Voltage (V)

6

4

2

0

-2

-4

-6

T1 at 1Mbps

T2 at 62.5Kbps

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 4. Supply Current vs Supply Voltage for the

SP3222EU and the SP3232EU

Figure 5. Transmitter Output Voltage vs Supply Voltage

for the SP3222EU and the SP3232EU

Figure 6. Transmitter Skew vs Load Capacitance for the

SP3222EU and the SP3232EU