ICL3221 INTERSIL [Intersil Corporation], ICL3221 Datasheet - Page 16

• Manufacturer Part Number: ICL3221
• Description: 1 Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Performance Curves
FIGURE 13. TRANSMITTER OUTPUT VOLTAGE vs LOAD
FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE
-2.5
-5.0
-7.5
7.5
5.0
2.5
45
40
35
30
25
20
15
10
5
0
0
0
0
1 TRANSMITTER AT 235kbps
1 OR 2 TRANSMITTERS AT 30kbps
ICL3221 - ICL3232
CAPACITANCE
WHEN TRANSMITTING DATA
1000
1000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
2000
2000
3-16
3000
3000
120kbps
235kbps
FIGURE 17. SUPPLY CURRENT vs SUPPLY VOLTAGE
3.5
3.0
2.5
2.0
1.5
1.0
0.5
20kbps
0
2.5
V
CC
ICL324X
4000
4000
= 3.3V, T
V
V
3.0
OUT
ICL3221 - ICL3232
ICL3221 thru ICL3243
OUT
+
-
A
5000
5000
3.5
= 25
SUPPLY VOLTAGE (V)
o
C
4.0
4.5
FIGURE 16. SUPPLY CURRENT vs LOAD CAPACITANCE
NO LOAD
ALL OUTPUTS STATIC
25
20
15
10
5
45
40
35
30
25
20
15
10
FIGURE 14. SLEW RATE vs LOAD CAPACITANCE
5
0
0
5.0
0
ICL324X
WHEN TRANSMITTING DATA
ICL324X
5.5
1000
1000
+SLEW
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
6.0
2000
2000
-SLEW
3000
3000
120kbps
235kbps
20kbps
4000
4000
5000
5000