MAX9750 查看數據表（PDF） - Maxim Integrated
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MAX9750 Datasheet PDF : 31 Pages
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2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
Typical Operating Characteristics (continued)
(Measurement BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
SHDN
OUT_+
AND
OUT_-
TURN-OFF RESPONSE
(SPEAKER MODE)
MAX9750/51 toc17
5V/div
2V/div
OUT_+
- OUT_-
RL = 8Ω
20ms/div
20mV/div
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
10
VDD = 5V
RL = 16Ω
1 AV = 3dB
OUTPUT POWER = 90mW
0.1
0.01
0.001
OUTPUT POWER = 30mW
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
10
VDD = 5V
RL = 32Ω
1 AV = 3dB
OUTPUT POWER = 45mW
0.1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
10
VDD = 3.3V
RL = 16Ω
1 AV = 3dB
OUTPUT POWER = 30mW
0.1
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (HEADPHONE MODE)
10
VDD = 3.3V
RL = 32Ω
1 AV = 3dB
OUTPUT POWER = 45mW
0.1
0.01
0.001
OUTPUT POWER = 10mW
0.01
0.001
OUTPUT POWER = 10mW
0.01
0.001
OUTPUT POWER = 10mW
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOIS
vs. OUTPUT POWER (HEADPHONE MODE
1000
VDD = 5V
100
RL = 16Ω
AV = 3dB
10
1
fIN = 10kHz
0.1
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
1000
VDD = 5V
100
RL = 32Ω
AV = 3dB
10
1
fIN = 1kHz
0.1 fIN = 20Hz
fIN = 10kHz
0.0001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
1000
VDD = 3.3V
100
RL = 16Ω
AV = 3dB
10
fIN = 1kHz
1
fIN = 20Hz
0.1
fIN = 10kHz
0.01
fIN = 20Hz
fIN = 1kHz
0.001
0
25 50 75 100 125 15
OUTPUT POWER (mW)
0.01
0.001
0
20
40
60
80 100
OUTPUT POWER (mW)
0.01
0.001
0
10 20 30 40 50 60
OUTPUT POWER (mW)
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