SP3238 Datasheet, PDF (6/19 Pages) Sipex Corporation – Intelligent +3.0V to +5.5V RS-232 Transceiver

TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, the following performance characteristics apply for V = +3.3V, 250kbps data rate, all drivers
CC
loaded with 3kΩ, 0.1µF charge pump capacitors, and T_AMB = +25°C.
60
50
40
30
20
10
0
0
SUPPLY CURRENT vs LOAD CAPACITANCE
1000
2000
3000
pF
4000
5000
250Kbps
120Kbps
20Kbps
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
SP3238
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. SP3238 Pinout Configuration
Rev. 6/30/03
SP3238 Intelligent +3.0V to +5.5V RS-232 Transceiver
6
© Copyright 2003 Sipex Corporation