MAX9720 Просмотр технического описания (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
(VDD = 3V, THD+N bandwidth = 22Hz to 22kHz, MODE1 = MODE2 = VDD.)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 3V
AV = -1V/V
RL = 16Ω
0.1
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 3V
AV = -1V/V
RL = 32Ω
0.1
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 3V
AV = -1.41V/V
RL = 16Ω
0.1
POUT = 10mW
0.01
0.001
10
POUT = 40mW
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 3V
AV = -1.41V/V
RL = 32Ω
0.1
POUT = 10mW
0.01
POUT = 40mW
POUT = 10mW
0.01
POUT = 40mW
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 1.8V
AV = -1V/V
RL = 16Ω
0.1
POUT = 2mW
POUT = 9mW
0.01
POUT = 40mW POUT = 10mW
0.01
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
MAX9720 toc06
VDD = 1.8V
AV = -1V/V
RL = 32Ω
0.1
POUT = 2mW
0.01
POUT = 9mW
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 3V
AV = -1.41V/V
RL = 16Ω
0.1
POUT = 2mW
POUT = 9mW
0.01
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
VDD = 3V
AV = -1.41V/V
RL = 32Ω
0.1
POUT = 2mW
0.01
0.001
10
POUT = 9mW
100
1k
10k
100k
FREQUENCY (Hz)
0.001
10
100
1k
10k
100k
FREQUENCY (Hz)
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 = 20Hz
RL = 16Ω
90 120 150
OUTPUT POWER (mW)
4 _______________________________________________________________________________________
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