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MAX9721 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX9721
Description  1V, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown
PDF  14 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX9721 Datasheet(HTML) 4 Page - Maxim Integrated Products

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1V, Fixed-Gain, DirectDrive, Stereo Headphone
Amplifier with Shutdown
4
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = 1.5V, PGND = SGND = 0V, VSHDN = 1.5V, VSS = PVSS, C1 = C2 = 1µF, CIN = 1µF, THD+N measurement bandwidth = 22Hz
to 22kHz, TA = +25°C, unless otherwise noted.) (See the Functional Diagram.)
100
05
10
15
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
OUTPUT POWER (mW)
VDD = 1V
RL = 16Ω
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
100
05
10
15
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
OUTPUT POWER (mW)
VDD = 1V
RL = 32Ω
AV = -2V/V
fIN = 20Hz
fIN = 1kHz
fIN = 10kHz
10
100
10k
1k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
FREQUENCY (Hz)
-10
-110
-60
-50
-40
-30
-20
-70
-80
-90
-100
VDD = 1.5V
RL = 32Ω
10
100
10k
1k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
FREQUENCY (Hz)
0
-100
-50
-40
-30
-20
-10
-60
-70
-80
-90
VDD = 1V
RL = 32Ω
10
100
10k
1k
100k
CROSSTALK vs. FREQUENCY
FREQUENCY (Hz)
0
-20
-40
-60
-80
-100
-120
VDD = 1.5V
POUT = 5mW
RL = 32Ω
RIGHT TO LEFT
LEFT TO RIGHT
0
10
20
30
40
50
60
70
80
0.9
1.1
1.3
1.5
OUTPUT POWER vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
fIN = 1kHz
RL = 16Ω
BOTH INPUTS
DRIVEN IN-PHASE
THD+N = 10%
THD+N = 1%
0
15
10
5
20
25
30
35
40
45
50
0.9
1.1
1.3
1.5
OUTPUT POWER
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
fIN = 1kHz
RL = 32Ω
BOTH INPUTS
DRIVEN IN-PHASE
THD+N = 10%
THD+N = 1%
80
70
0
10
100
1k
OUTPUT POWER
vs. LOAD RESISTANCE
20
LOAD RESISTANCE (Ω)
40
60
10
30
50
VDD = 1.5V
fIN = 1kHz
BOTH INPUTS
DRIVEN IN-PHASE
THD+N = 10%
THD+N = 1%
80
70
0
10
100
1k
OUTPUT POWER
vs. LOAD RESISTANCE
20
LOAD RESISTANCE (Ω)
40
60
10
30
50
VDD = 1V
fIN = 1kHz
BOTH INPUTS
DRIVEN IN-PHASE
THD+N = 10%
THD+N = 1%



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