SP3238E Datasheet, PDF (6/20 Pages) Sipex Corporation – Intelligent +3.0V to +5.5V RS-232 Transceivers

TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise noted, the following performance characteristics apply for V_CC = +3.3V, 235kbps data rate, all drivers
loaded with 3kΩ, 0.1µF charge pump capacitors, and T_AMB = +25°C.
40
35
118KHz
60KHz
10KHz
30
25
20
15
10
5
0
0
500
1000
1500
2000
Load Capacitance [pF]
Figure 3. Supply Current VS. Load Capacitance when
Transmitting Data
C2+ 1
GND 2
C2- 3
V- 4
T1OUT 5
T2OUT 6
T3OUT 7
R1IN 8
R2IN 9
T4OUT 10
R3IN 11
T5OUT 12
ONLINE 13
SHUTDOWN 14
SP3238E
28 C1+
27 V+
26 VCC
25 C1-
24 T1IN
23 T2IN
22 T3IN
21 R1OUT
20 R2OUT
19 T4IN
18 R3OUT
17 T5IN
16 R1OUT
15 STATUS
Figure 4. SP3238E Pinout Configuration
SP3238EDS/04
SP3238E +3.0V to +5.5V RS-232 Transceivers
6
© Copyright 1999 Sipex Corporation