ISL3232E Datasheet, PDF (12/14 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 +2.7V to +5.5V, 150nA, 250kbps, RS-232

ISL3232E, 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/ISL3232E
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 AND QFN THERMAL PAD POTENTIAL
(POWERED UP):
GND
TRANSISTOR COUNT:
ISL3232E: 296
ISL4221E: 286
ISL4223E: 357
PROCESS:
Si Gate CMOS
12
FN6045.6
May 13, 2010