icl3238e Intersil Corporation, icl3238e Datasheet - Page 12

• Manufacturer Part Number: icl3238e
• Description: ?15kv Esd Protected, +3v To +5.5v, 1?a, 250kbps, Rs-232 Transceivers With Enhanced Automatic Powerdown
• Manufacturer: Intersil Corporation

Typical Performance Curves
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
TRANSISTOR COUNT:
PROCESS:
FIGURE 14. TRANSMITTER OUTPUT VOLTAGE vs LOAD
FIGURE 16. SUPPLY CURRENT vs LOAD CAPACITANCE
GND
1235
Si Gate CMOS
55
50
45
40
35
30
25
20
-2
-4
-6
6
4
2
0
0
0
1 TRANSMITTER AT 250kbps
OTHER TRANSMITTERS AT 30kbps
CAPACITANCE
WHEN TRANSMITTING DATA
1000
1000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
2000
2000
12
3000
3000
250kbps
V
20kbps
120kbps
CC
V
V
OUT
4000
OUT
4000
= 3.3V, T
+
-
5000
A
5000
= 25
ICL3238E
o
C
FIGURE 17. SUPPLY CURRENT vs SUPPLY VOLTAGE
25
20
15
10
3.5
3.0
2.5
2.0
1.5
1.0
0.5
5
FIGURE 15. SLEW RATE vs LOAD CAPACITANCE
0
0
2.5
3.0
+SLEW
1000
-SLEW
3.5
LOAD CAPACITANCE (pF)
SUPPLY VOLTAGE (V)
2000
4.0
4.5
3000
NO LOAD
ALL OUTPUTS STATIC
5.0
4000
-SLEW
5.5
5000
6.0