9
FN6983.1
January 14, 2010
Typical Performance Curves T
A = +25°C, Unless Otherwise Specified
FIGURE 6. ON-RESISTANCE vs SWITCH VOLTAGE vs
SUPPLY VOLTAGE
FIGURE 7. ON-RESISTANCE vs SWITCH VOLTAGE vs
TEMPERATURE
FIGURE 8. THD+N vs SUPPLY VOLTAGE vs
FREQUENCY
FIGURE 9. THD+N vs SIGNAL LEVELS vs FREQUENCY
FIGURE 10. THD+N vs OUTPUT VOLTAGE
FIGURE 11. THD+N vs OUTPUT POWER
2.56
2.57
2.58
2.59
2.60
2.61
-1.0 -0.8 -0.6 -0.4 -0.2
0
0.2 0.4 0.6 0.8 1.0
VOUT (V)
r ON
(
Ω
)
VDD = 3.6V
IOUT = 40mA
VDD = 3.3V
VDD = 3.0V
VDD = 2.7V
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
-1.2 -1.0-0.8-0.6-0.4-0.2 0
0.2 0.4 0.6 0.8 1.0 1.2
VOUT (V)
r ON
(
Ω
)
IOUT = 40mA
+85°C
+25°C
-40°C
VDD = 3.0V
TH
D+N
(
%
)
FREQUENCY (Hz)
20
200
2k
20k
0.056
0.060
0.062
0.064
0.058
RLOAD = 32Ω
VLOAD = 0.707VRMS
VDD = 3.0V
VDD = 3.3V
VDD = 3.6V
0.066
0.068
2k
THD
+
N
(%)
FREQUENCY (Hz)
20
200
2k
20k
0.02
0.04
0.06
0.08
1.0VRMS
0.35VRMS
RLOAD = 32Ω
VDD = 3V
RMS VOLTAGES AT LOAD
0.10
0.9VRMS
0.707VRMS
0
TH
D+N
(%)
OUTPUT VOLTAGE (VRMS)
0.23 0.35 0.47 0.58 0.70 0.82
0.003
0.01
0.02
0.10
0.12
0.93
RLOAD = 32Ω
FREQ = 1kHz
VDD = 3V
1.05 1.16
0.04
0.06
0.20
0.08
TH
D+N
(%)
OUTPUT POWER (mW)
0.008
12
3
5 6
30
0.02
0.03
0.04
0.08
4
RLOAD = 32Ω
FREQ = 1kHz
VDD = 3V
78 910
20
0.06
0.10
0.01
ISL54409, ISL54410