MAX9736(2008) 查看數據表（PDF） - Maxim Integrated
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MAX9736 Datasheet PDF : 22 Pages
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Mono/Stereo High-Power Class D Amplifier
Typical Operating Characteristics (continued)
(MAX9736A, PVDD = 12V, MOD = high, spread-spectrum modulation mode, VGND = VPGND = 0V, VSHDN = VMUTE = 5V, unless oth-
erwise noted.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 24V,
SPREAD SPECTRUM,
8Ω LOAD
1
1kHz 6kHz
0.1
0.01
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 12V,
FIXED FREQUENCY,
4Ω LOAD
1
6kHz
0.1
20Hz
1kHz
0.01
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 12V,
SPREAD SPECTRUM,
4Ω LOAD
1
1kHz 6kHz
0.1
20Hz
0.01
0.001
0 2 4 6 8 10 12 14 16 18
OUTPUT POWER (W)
0.001
0 2 4 6 8 10 12 14 16
OUTPUT POWER (W)
0.001
0
3 6 9 12 15 18
OUTPUT POWER (W)
EFFICIENCY
vs. TOTAL OUTPUT POWER
100
PVDD = 12V,
10 MAX9736 toc13
90 FIXED FREQUENCY,
9
80 8Ω LOAD
8
70
EFFICIENCY
7
60
6
50
5
40
4
POWER DISSIPATION
30
3
20
2
10
1
0
0
0
5
10
15
20
TOTAL OUTPUT POWER (W)
EFFICIENCY
vs. TOTAL OUTPUT POWER
100 PVDD = 12V,
10 MAX9736 toc14
90 SPREAD SPECTRUM,
9
80 8Ω LOAD
8
70
EFFICIENCY
7
60
6
50
5
40
4
30
POWER DISSIPATION
3
20
2
10
1
0
0
0 2 4 6 8 10 12 14 16 18 20
TOTAL OUTPUT POWER (W)
EFFICIENCY
vs. TOTAL OUTPUT POWER
100
PVDD = 18V,
90 SPREAD SPECTRUM,
10 MAX9736 toc15
9
80 8Ω LOAD
8
70
7
60
EFFICIENCY
6
50
POWER DISSIPATION
5
40
4
30
3
20
2
10
1
0
0
0 5 10 15 20 25 30 35
TOTAL OUTPUT POWER (W)
EFFICIENCY
vs. TOTAL OUTPUT POWER
100
PVDD = 18V,
90 FIXED FREQUENCY,
10 MAX9736 toc16
9
80 8Ω LOAD
8
70
7
EFFICIENCY
60
6
50
5
POWER DISSIPATION
40
4
30
3
20
2
10
1
0
0
0 5 10 15 20 25 30 35
TOTAL OUTPUT POWER (W)
6 _______________________________________________________________________________________
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