SP3243B datasheet(4/24 Pages) SIPEX

4 / 24 page

Rev. 6/30/03

SP3223B/3243B +3.0V to +5.5V RS-232 Transceivers

Figure 1. Transmitter Output Voltage VS. Load

Capacitance for the SP3223B

Figure 2. Slew Rate VS. Load Capacitance for the

SP3223B

TYPICAL PERFORMANCE CHARACTERISTICS

Unless otherwise noted, the following performance characteristics apply for V

CC = +3.3V, 250kbps data rate, all drivers

loaded with 3K

Ω, 0.1µF charge pump capacitors, and T

AMB = +25°C.

500

1000

2000

3000

4000

5000

Load Capacitance (pF)

- Slew

+ Slew

1 Transmitter at 250Kbps

1 Transmitter at 15.6Kbps

All drivers loaded 3K + Load Cap

Load Capacitance (pF)

1000

2000

3000

4000

5000

250Kbps

125Kbps

20Kbps

1 Transmitter at 250Kbps

1 Transmitter at 15.6Kbps

All drivers loaded 3K + Load Cap

Figure 3. Supply Current VS. Load Capacitance when

Transmitting Data for the SP3223B

Figure 4. Supply Current VS. Supply Voltage for

the SP3243B

2.7

3.5

4.5

Supply Voltage (VDC)

1 Transmitter at 250Kbps

2 Transmitters at 15.6Kbps

All drivers loaded with 3K // 1000pF

Figure 5. Transmitter Output Voltage VS. Supply

Voltage for the SP3243B

Figure 6. Transmitter Output Voltage VS. Load

Capacitance for the SP3243B

-2

-4

-6

1000

2000

3000

4000

5000

TxOUT +

TxOUT -

Load Capacitance (pF)

-2

-4

-6

1000

2000

3000

4000

5000

TxOUT +

TxOUT -

Load Capacitance (pF)

-2

-4

-6

2.7

3.5

4.5

Supply Voltage (VDC)

TxOUT -

TxOUT +

SP3243B bảng dữ liệu(PDF) 4 Page - Sipex Corporation

SP3243B bảng dữ liệu(HTML) 4 Page - Sipex Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

bảng dữ liệu tải về

Link URL