14
FN4876.10
March 1, 2006
Typical Performance Curves VCC = 3.3V, TA = 25°C
FIGURE 15. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CAPACITANCE
FIGURE 16. TRANSMITTER OUTPUT VOLTAGE vs LOAD
CAPACITANCE
FIGURE 17. SLEW RATE vs LOAD CAPACITANCE
FIGURE 18. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
FIGURE 19. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
FIGURE 20. SUPPLY CURRENT vs LOAD CAPACITANCE
WHEN TRANSMITTING DATA
-6
-4
-2
0
2
4
6
1000
2000
3000
4000
5000
0
LOAD CAPACITANCE (pF)
TRANSMITT
E
R
OUT
P
UT
VOLT
AGE
(V)
1 TRANSMITTER AT 250kbps
VOUT+
VOUT -
OTHER TRANSMITTERS AT 30kbps
ICL3224, ICL3226, ICL3244
-6
-4
-2
0
2
4
6
1000
2000
3000
4000
5000
0
LOAD CAPACITANCE (pF)
TRAN
SMI
TTER
O
U
TPUT
VO
LTAG
E
(V)
1 TRANSMITTER AT 250kbps
VOUT+
VOUT -
OTHER TRANSMITTERS AT 30kbps
ICL3238
LOAD CAPACITANCE (pF)
SLEW
RATE
(V
/
s)
0
1000
2000
3000
4000
5000
5
10
15
20
25
+SLEW
-SLEW
5
10
15
20
25
40
30
35
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
SUPP
LY
C
URRENT
(m
A)
20kbps
250kbps
120kbps
ICL3224
0
5
10
15
20
35
25
30
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
S
U
PPLY
CURRENT
(mA)
20kbps
250kbps
120kbps
ICL3226
20
25
30
35
40
55
45
50
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
SUPP
LY
CURRENT
(m
A)
20kbps
250kbps
120kbps
ICL3238
ICL3224, ICL3226, ICL3238, ICL3244