MAX9830AETA(2009) データシートの表示（PDF） - Maxim Integrated
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MAX9830AETA Datasheet PDF : 11 Pages
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Mono 2W Class D Amplifier
Typical Operating Characteristics (continued)
(VPVDD = VSHDN = 5.0V, VPGND = 0V, RL = ∞, unless otherwise specified. RL connected between OUT+ and OUT-, AC measure-
ment bandwidth 20Hz to 22kHz, TA = +25°C, unless otherwise noted.)
OUTPUT POWER vs. LOAD RESISTANCE
1.2
VPVDD = 3.6V
1.0
0.8
THD+N = 10%
0.6
0.4
0.2
THD+N = 1%
EFFICIENCY vs. OUTPUT POWER
100
VPVDD = 5.0V
RLOAD = 8I
80
60
RLOAD = 4I
40
20
EFFICIENCY vs. OUTPUT POWER
100
VPVDD = 3.6V
RLOAD = 8I
80
60
RLOAD = 4I
40
20
0
1
10
100
LOAD RESISTANCE (I)
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
OUTPUT POWER (W)
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT POWER (W)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
VRIPPLE = 200mVP-P
-20
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
0
INPUT REFERRED
-10
-40
-20
-60
-30
-80
-40
-100
-50
-120
10
100
1k
10k
100k
FREQUENCY (Hz)
-60
10
100
1k
10k
100k
FREQUENCY (Hz)
AMPLITUDE vs. FREQUENCY
14
12
10
8
6
4
2
0
10
100
1k
10k
100k
FREQUENCY (Hz)
STARTUP WAVEFORM
MAX9830 toc16
SHDN
2V/div
OUTPUT
500mA/div
400Fs/div
_______________________________________________________________________________________ 5
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