sp3222ebey-tr Exar Corporation, sp3222ebey-tr Datasheet - Page 4

• Manufacturer Part Number: sp3222ebey-tr
• Description: Sp3232eb -true +3.0v To +5.5v Rs-232 Transceivers
• Manufacturer: Exar Corporation

Date:11/02/05
Unless otherwise noted, the following performance characteristics apply for V
loaded with 3k , 0.1µF charge pump capacitors, and T
Date:02/27/05
Figure 1. Transmitter Output Voltage vs Load
Capacitance.
Figure 5. Transmitter Output Voltage vs Supply
Voltage.
Figure 3. Supply Current vs Load Capacitance when
Transmitting Data.
35
30
25
20
15
10
-2
-4
-6
-2
-4
-6
6
4
2
0
5
0
6
4
2
0
0
0
2.7
T1 at Full Data Rate
T2 at 1/16 Data Rate
All TX loaded 3K // CLoad
1000
1000
3
TxOUT +
TxOUT -
Load Capacitance (pF)
Load Capacitance (pF)
Supply Voltage (V)
SP3222EB/SP3232EB True +3.0V to +5.5V RS-232 Transceivers
SP3222EB/3232EB True +3.0 to +5.5V RS-232 Transceivers
2000
2000
3.5
TxOUT +
TxOUT -
T1 at 250Kbps
T2 at 15.6Kbps
All TX loaded 3K // 1000 pF
125Kbps
3000
3000
T1 at 250Kbps
T2 at 15.6Kbps
All TX loaded 3K // CLoad
4
250Kbps
20Kbps
4000
4000
4.5
5000
5000
5
TYPICAL PERFORMANCE CHARACTERISTICS
AMB
= +25°C.

4
Figure 2. Slew Rate vs Load Capacitance.
Figure 4. Supply Current vs Supply Voltage.
30
25
20
15
10
16
14
12
10
5
0
8
6
4
2
0
0
2.7
CC
1 Transmitter at 250Kbps
1 Transmitter at 15.6Kbps
All transmitters loaded with 3K // 1000pf
= +3.3V, 250kbps data rates, all drivers
500
3
T1 at 250Kbps
T2 at 15.6Kbps
All TX loaded 3K // CLoad
Load Capacitance (pF)
Supply Voltage (V)
1000
3.5
© Copyright 2005 Sipex Corporation
© Copyright 2005 Sipex Corporation
2000
4
3000
+ Slew
- Slew
4000
4.5
5000
5