SP3222H Просмотр технического описания (PDF) - Signal Processing Technologies

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SP3222H

3.3V, 460 Kbps RS-232 Transceivers

Signal Processing Technologies 

TYPICAL PERFORMANCE CHARACTERISTICS

Unless otherwise noted, the following performance characteristics apply for VCC = +3.3V, 460Kbps data rates, all drivers

loaded with 3kΩ, 0.1µF charge pump capacitors, and TAMB = +25°C.

6

4

2

0

0

-2

-4

-6

Vout+

Vout-

500

1000

1500

2000

Load Capacitance [pF]

Figure 1. Transmitter Output Voltage VS. Load

Capacitance for the SP3222H and the SP3232H

14

12

10

8

6

4

2

0

0

+Slew

-Slew

500

1000

1500

2000

Load Capacitance [pF]

2330

Figure 2. Slew Rate VS. Load Capacitance for the

SP3222H and the SP3232H

40

35

30

25

20

15

10

5

0

0

460Kbps

120Kbps

20Kbps

500 1000 1500 2000 2500 3000

Load Capacitance (pF)

Figure 3. Supply Current VS. Load Capacitance when

Transmitting Data for the SP3222H and the SP3232H

Rev. 6/27/03

SP3222H/3232H 3.3V, 460 Kbps RS-232 Transceivers

4

© Copyright 2003 Sipex Corporation

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