MAX9830 查看數據表（PDF） - Maxim Integrated
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MAX9830 Datasheet PDF : 12 Pages
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Mono 2W Class D Amplifier
Typical Operating Characteristics
(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.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
10
VPVDD = 5.0V
RLOAD = 4I
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
10
VPVDD = 3.6V
RLOAD = 4I
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
10
VPVDD = 5.0V
RLOAD = 8I
1
1
1
POUT = 400mW
POUT = 100mW
POUT = 100mW
0.1
0.1
0.1
0.01
10
POUT = 1.4W
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
10
VPVDD = 3.6V
RLOAD = 8I
1
POUT = 100mW
0.1
0.01
10
POUT = 600mW
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 5.0V
RLOAD = 4I
1
f = 1kHz
f = 6kHz
0.1
0.01
10
POUT = 1W
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 3.6V
RLOAD = 4I
1
f = 1kHz
f = 6kHz
0.1
0.01
10
POUT = 500mW
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 5.0V
RLOAD = 8I
1
f = 6kHz
f = 1kHz
0.1
0.01
0
f = 100Hz
0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 3.6V
RLOAD = 8I
1
f = 6kHz
f = 1kHz
0.1
0.01
0
f = 100Hz
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
OUTPUT POWER (W)
0.01
0
f = 100Hz
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
OUTPUT POWER (W)
0.01
0
f = 100Hz
0.2 0.4 0.6 0.8 1.0 1.2 1.4
OUTPUT POWER (W)
OUTPUT POWER vs. LOAD RESISTANCE
2.5
VPVDD = 5.0V
2.0
1.5
THD+N = 10%
1.0
0.5
THD+N = 1%
0
1
10
100
LOAD RESISTANCE (I)
4 _______________________________________________________________________________________
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