MAX9714(2004) Просмотр технического описания (PDF) - Maxim Integrated
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MAX9714 Datasheet PDF : 18 Pages
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6W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
Typical Operating Characteristics (continued)
(136µH with 16Ω, 68µH with 8Ω, part in SSM mode, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
100
VDD = 15V
AV = 13dB
10
f = 1kHz
RL = 8Ω
1
SSM
0.1
FFM
0.01
0.001
0
2
4
6
8
OUTPUT POWER (W)
OUTPUT POWER
vs. SUPPLY VOLTAGE
8
7
6
5
4
3
2
AV = 13dB
1 THD+N = 10%
RL = 8Ω
0
10
13
16
19
22
25
SUPPLY VOLTAGE (V)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
VDD = 15V
-10
AV = 13dB
VRIPPLE = 200mVP-P
-20
RL = 16Ω
-30
-40
-50
-60
-70
10
100
1k
10k
100k
FREQUENCY (Hz)
EFFICIENCY vs. OUTPUT POWER
100
RL = 16Ω
90
80
70
60
RL = 8Ω
50
40
30
20
10
0
0
VDD = 15V
AV = 13dB
2
4
6
8
10
OUTPUT POWER (W)
OUTPUT POWER
vs. LOAD RESISTANCE
10
9
VDD = 15V
AV = 13dB
8
THD+N = 10%
7
6
5
4
3
THD+N = 1%
2
1
0
1
10
100
LOAD RESISTANCE (Ω)
CROSSTALK vs. FREQUENCY
0
OUTPUT REFERRED
AV = 13dB
-20
-40
-60
LEFT TO RIGHT
-80
-100
RIGHT TO LEFT
-120
0.01
0.1
1
10
100
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY vs. OUTPUT POWER
RL = 16Ω
RL = 8Ω
VDD = 20V
AV = 13dB
3
6
9
12
OUTPUT POWER (W)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
0
VDD = 15V
-10
AV = 13dB
-20
RL = 8Ω
-30
-40
-50
-60
-70
-80
-90
10
100
1k
10k
100k
FREQUENCY (Hz)
OUTPUT FREQUENCY SPECTRUM
20
FFM MODE
0
POUT = 5W
f =1kHz
-20
RL = 8Ω
UNWEIGHTED
-40
-60
-80
-100
-120
-140
0
5
10
15
20
FREQUENCY (Hz)
_______________________________________________________________________________________ 5
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