MAX9720 查看數據表（PDF） - Maxim Integrated
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MAX9720 Datasheet PDF : 21 Pages
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50mW, DirectDrive, Stereo Headphone
Amplifier with SmartSense and Shutdown
Typical Operating Characteristics (continued)
(VDD = 3V, THD+N bandwidth = 22Hz to 22kHz, MODE1 = MODE2 = VDD.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
10 OUTPUTS
IN PHASE
1
0.1
OUTPUTS
OUT OF
PHASE
0.01
0.001
0
30
60
VDD = 3V
AV = -1V/V
f = 1kHz
RL = 16Ω
90 120 150
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
10
OUTPUTS
IN PHASE
1
0.1
0.01
0.001
0
OUTPUTS
OUT OF
PHASE
VDD = 3V
AV = -1V/V
f = 1kHz
RL = 32Ω
20
40
60
80 100
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
OUTPUTS
IN PHASE
10
10
1
0.1
0.01
0.001
0
OUTPUTS
IN PHASE
OUTPUTS
OUT OF
PHASE
VDD = 3V
AV = -1V/V
f = 10kHz
RL = 16Ω
30
60
90 120 150
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
VDD = 3V
AV = -1V/V
10 f = 10kHz
RL = 32Ω
OUTPUTS
IN PHASE
1
OUTPUTS
0.1
OUT OF
PHASE
0.01
0.001
0
20
40
60
80 100
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
OUTPUTS
IN PHASE
10
10
OUTPUTS
IN PHASE
1
0.1
0.01
0.001
0
OUTPUTS
OUT OF
PHASE
VDD = 3V
AV = -1V/V
f = 20Hz
RL = 32Ω
20
40
60
80 100
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
OUTPUTS
IN PHASE
10
1 OUTPUTS
OUT OF
PHASE
0.1
0.01
0.001
0
VDD = 3V
AV = -1.41V/V
f = 20Hz
RL = 16Ω
30
60
90 120 150
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
OUTPUTS
10
IN PHASE
1 OUTPUTS
OUT OF
PHASE
0.1
0.01
0.001
0
VDD = 3V
AV = -1.41V/V
f = 1kHz
RL = 16Ω
30
60
90 120 150
OUTPUT POWER (mW)
1 OUTPUTS
OUT OF
PHASE
0.1
0.01
0.001
0
VDD = 3V
AV = -1.41V/V
f = 10kHz
RL = 16Ω
30
60
90 120 150
OUTPUT POWER (mW)
1
0.1
0.01
0.001
0
OUTPUTS
OUT OF
PHASE
VDD = 3V
AV = -1.41V/V
f = 20Hz
RL = 32Ω
20 40 60 80 100 120
OUTPUT POWER (mW)
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