MAX9720 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
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
OUTPUTS
IN PHASE
10
1
OUTPUTS
OUT OF
0.1
PHASE
0.01
0.001
0
VDD = 1.8V
AV = -1.41V/V
f = 1kHz
RL = 16Ω
10
20
30
40
50
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 = 1.8V
AV = -1.41V/V
f = 1kHz
RL = 32Ω
5 10 15 20 25 30 35 40
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
OUTPUTS
10
IN PHASE
OUTPUTS
1
OUT OF
PHASE
0.1
0.01
0.001
0
VDD = 1.8V
AV = -1.41V/V
f = 10kHz
RL = 16Ω
10
20
30
40
50
OUTPUT POWER (mW)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
10
OUTPUTS
IN PHASE
1
OUTPUTS
OUT OF
PHASE
0.1
0.01
0.001
0
VDD = 1.8V
AV = -1.41V/V
f = 10kHz
RL = 32Ω
5 10 15 20 25 30 35 40
OUTPUT POWER (mW)
OUTPUT POWER vs. SUPPLY VOLTAGE
200
180
fIN = 1kHz
RL = 16Ω
160 THD+N = 10%
STEREO
OUT OF
PHASE
140
120
STEREO
100
IN PHASE
80
60
40
20
0
1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
OUTPUT POWER vs. SUPPLY VOLTAGE
160
fIN = 1kHz
140 RL = 32Ω
THD+N = 1%
120
100
STEREO
OUT OF
PHASE
80
STEREO
IN PHASE
60
40
20
0
1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
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 = 1.8V
AV = -1.41V/V
f = 20Hz
RL = 32Ω
5 10 15 20 25 30 35 40
OUTPUT POWER (mW)
OUTPUT POWER vs. SUPPLY VOLTAGE
200
180
fIN = 1kHz
RL = 16Ω
160 THD+N = 1%
140
STEREO
OUT OF
PHASE
120
100
STEREO
80
IN PHASE
60
40
20
0
1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
OUTPUT POWER vs. SUPPLY VOLTAGE
160
fIN = 1kHz
140 RL = 32Ω
THD+N = 10%
120
STEREO
OUT OF
PHASE
100
STEREO
80
IN PHASE
60
40
20
0
1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
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