ISL4221E Intersil Corporation, ISL4221E Datasheet - Page 11

• Manufacturer Part Number: ISL4221E
• Description: QFN Packaged, +/-15kV Esd Protected, +2.7V to +5.5V, 150Nanoamp, 250kBps, RS-232 Transmitters/receivers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 12. TRANSMITTER OUTPUT VOLTAGE vs LOAD
FIGURE 14. SUPPLY CURRENT vs LOAD CAPACITANCE
FIGURE 16. SUPPLY CURRENT vs SUPPLY VOLTAGE
3.5
3.0
2.5
2.0
1.5
1.0
0.5
45
40
35
30
25
20
15
10
-2
-4
-6
5
0
0
6
4
2
0
2.5
0
0
ISL4221E
1 TRANSMITTER AT 250kBps
OTHER TRANSMITTERS AT 30kBps
CAPACITANCE
WHEN TRANSMITTING DATA
3.0
1000
1000
3.5
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
SUPPLY VOLTAGE (V)
2000
2000
4.0
11
3000
4.5
3000
NO LOAD
ALL OUTPUTS STATIC
250kBps
120kBps
20kBps
V
5.0
CC
4000
4000
= 3.3V, T
V
V
OUT
5.5
OUT
ISL4221E, ISL4223E
+
-
5000
A
5000
6.0
= 25
o
C
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
TRANSISTOR COUNT:
PROCESS:
FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE
GND
ISL4221E: 286
ISL4223E: 357
Si Gate CMOS
25
20
15
10
45
40
35
30
25
20
15
10
5
FIGURE 13. SLEW RATE vs LOAD CAPACITANCE
5
0
0
0
ISL4223E
WHEN TRANSMITTING DATA
1000
1000
+SLEW
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
2000
2000
-SLEW
3000
3000
120kBps
250kBps
20kBps
4000
4000
5000
5000