ISL4221E_07 Datasheet, PDF (11/13 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kBps, RS-232 Transmitters/Receivers

ISL4221E, ISL4223E
Typical Performance Curves V_CC = 3.3V, T_A = +25°C
6
V_OUT+
4
2
1 TRANSMITTER AT 250kBps
OTHER TRANSMITTERS AT 30kBps
0
-2
-4
V_OUT -
-6
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 12. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CAPACITANCE
45
ISL4221E
40
35
250kBps
30
25
20
120kBps
15
10
20kBps
5
0
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 14. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
3.5
NO LOAD
ALL OUTPUTS STATIC
3.0
2.5
2.0
1.5
1.0
0.5
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
SUPPLY VOLTAGE (V)
FIGURE 16. SUPPLY CURRENT vs SUPPLY VOLTAGE
25
20
15
-SLEW
+SLEW
10
5
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 13. SLEW RATE vs LOAD CAPACITANCE
45
ISL4223E
40
35
30
250kBps
25
120kBps
20
15
20kBps
10
5
0
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 15. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
TRANSISTOR COUNT:
ISL4221E: 286
ISL4223E: 357
PROCESS:
Si Gate CMOS
11
FN6045.2
April 13, 2007