MAX9736 查看數據表（PDF） - Maxim Integrated
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MAX9736 Datasheet PDF : 25 Pages
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Mono/Stereo High-Power Class D Amplifier
Typical Operating Characteristics (continued)
(MAX9736A, VPVDD = 12V, MOD = high, spread-spectrum modulation mode, VGND = VPGND = 0V, VSHDN = VMUTE = 5V, unless
otherwise noted.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 18V,
FIXED FREQUENCY,
4Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 18V,
SPREAD SPECTRUM,
4Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
VPVDD = 24V,
FIXED FREQUENCY,
4Ω LOAD, MONO
1
6kHz
0.1
1kHz
1
6kHz
1kHz
0.1
1
6kHz
0.1
1kHz
0.01
0
20Hz
5 10 15 20 25 30 35
OUTPUT POWER (W)
0.01
0
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (VDD = 24V,
SPREAD SPECTRUM, 4Ω LOAD, MONO)
10
1
6kHz
1kHz
0.1
0.01
0
100
90
80
70
60
50
40
30
20
10
0
0
20Hz
6 12 18 24 30 36
OUTPUT POWER (W)
EFFICIENCY
vs. OUTPUT POWER
VPVDD = 12V
VPVDD = 18V
VPVDD = 24V
4Ω LOAD, MONO,
f = 1kHz SPREAD SPECTRUM
5
10
15
20
OUTPUT POWER (W)
20Hz
5 10 15 20 25 30 35
OUTPUT POWER (W)
0.01
0
20Hz
5 10 15 20 25 30 35
OUTPUT POWER (W)
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY
vs. OUTPUT POWER
VPVDD = 12V
VPVDD = 18V
VPVDD = 24V
4Ω LOAD, MONO,
1kHz FIXED FREQUENCY
5
10
15
20
OUTPUT POWER (W)
OUTPUT POWER vs. VDD
(LOAD = 4Ω, f = 1kHz, SPREAD SPECTRUM, MONO)
40
35 10% THD+N
30
25
20
1% THD+N
15
10
5
0
8
4Ω LOAD
f = 1kHz,
SPREAD SPECTRUM, MONO
10 12 14 16 18 20 22 24 26 28
SUPPLY VOLTAGE (V)
______________________________________________________________________________________ 11
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