SP3220E Ver la hoja de datos (PDF) - Exar Corporation

Número de pieza

componentes Descripción

Fabricante

SP3220E

+3.0V to +5.5V RS-232 Driver/Receiver Pair

Exar Corporation 

TYPICAL PERFORMANCE CHARACTERISTICS: Continued

Unless otherwise noted, the following performance characteristics apply for VCC = +3.3V, 250kbps data rate, all

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

6

4

2

0

-2

-4

-6 0

2Mbps

1.5Mbps

1Mbps

2Mbps

1.5Mbps

1Mbps

250

500

1000

Load Capacitance (pF)

1500

2000

Figure 7. Transmitter Output Voltage vs Load

Capacitance for the SP3220EU.

6

4

2

0

-2

-4

-6

2.5

2.7

TxOUT+

TxOUT-

3

3.5

4

Supply V oltage (V)

4.5

5

Figure 8. Transmitter Output Voltage vs Supply

Voltage for the SP3220EU.

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

SP3220EU.

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com



SP3220E_EB_EU_101_060311

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