MAX9737 데이터 시트보기 (PDF) - Maxim Integrated
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MAX9737 Datasheet PDF : 13 Pages
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Mono 7W Class D Amplifier
Typical Operating Characteristics
(VPVDD = 12V, VGND = VPGND = 0, VSHDN = VMUTE = 5V, RIN = RFB = 20kΩ, unless otherwise noted.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
PVDD = 12V,
8Ω LOAD
4W
0.1
2W
0.01
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 18V,
8Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
PVDD = 12V,
4Ω LOAD
POUT = 4W
0.1
POUT = 2W
0.01
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 24V,
8Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 12V,
8Ω LOAD
1
6kHz
1kHz
0.1
20Hz
0.01
012345678
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
PVDD = 12V,
4Ω LOAD
1
6kHz
1kHz
0.1
1
6kHz
1kHz
0.1
1
6kHz 1kHz
0.1
20Hz
0.01
012345678
OUTPUT POWER (W)
20Hz
0.01
012345678
OUTPUT POWER (W)
20Hz
0.01
0 2 4 6 8 10 12 14 16
OUTPUT POWER (W)
EFFICIENCY
vs. TOTAL OUTPUT POWER
100
10 MAX9737 toc07
90
PVDD = 12V,
8Ω LOAD
9
80
8
70
EFFICIENCY
7
60
6
50
5
40
4
30
3
20
POWER DISSIPATION
2
10
1
0
0
012345678
TOTAL OUTPUT POWER (W)
EFFICIENCY
vs. TOTAL OUTPUT POWER
100
10 MAX9737 toc08
90
PVDD = 18V,
8Ω LOAD
9
80
8
70
7
60
EFFICIENCY
6
50
5
40
4
30
POWER DISSIPATION
3
20
2
10
1
0
0
012345678
TOTAL OUTPUT POWER (W)
4 _______________________________________________________________________________________
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