ICL3207_05 Datasheet, PDF (9/11 Pages) Intersil Corporation – Low Power, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers

ICL3207, ICL3217
Typical Performance Curves V_CC = 3.3V, T_A = 25°C
6.0
V_OUT+
4.0
2.0
1 TRANSMITTER AT 250kbps
OTHER TRANSMITTERS AT 30kbps
0
-2.0
-4.0
V_OUT -
-6.0
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 10. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CAPACITANCE
55
1 TRANSMITTER SWITCHING
50
45
250kbps
40
35
120kbps
30
25
20kbps
20
15
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 12. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP):
GND
TRANSISTOR COUNT:
ICL3207: 469
ICL3217: 488
PROCESS:
Si Gate CMOS
25
20
-SLEW
15
+SLEW
10
-SLEW
5
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
FIGURE 11. SLEW RATE vs LOAD CAPACITANCE
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 13. SUPPLY CURRENT vs SUPPLY VOLTAGE
9