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Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsLinear ICsLinear IC - Audio amplifier Headphones (2-channel, stereo) Class AB TQFN 20 (4x4)
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MAX4411
80mW, Fixed-Gain, DirectDrive, Stereo
Headphone Amplifier with Shutdown
4 _______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
MAX4411 toc04
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 5mW
P
OUT
= 10mW
P
OUT
= 20mW
V
DD
= 1.8V
R
L
= 32
Ω
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc05
OUTPUT POWER (mW)
THD+N (%)
15010050
0.01
0.1
1
10
100
0.001
0 200
V
DD
= 3V
R
L
= 16
Ω
f
IN
= 20Hz
OUTPUTS IN
PHASE
OUTPUTS 180
°
OUT OF PHASE
ONE CHANNEL
DRIVEN
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc06
OUTPUT POWER (mW)
THD+N (%)
15010050
0.01
0.1
1
10
100
0.001
0200
OUTPUTS IN
PHASE
OUTPUTS 180
°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 3V
R
L
= 16
Ω
f
IN
= 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc07
OUTPUT POWER (mW)
THD+N (%)
15010050
0.01
0.1
1
10
100
0.001
0200
OUTPUTS IN
PHASE
OUTPUTS 180
°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 3V
R
L
= 16
Ω
f
IN
= 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc08
OUTPUT POWER (mW)
THD+N (%)
100755025
0.01
0.1
1
10
100
0.001
0 125
OUTPUTS IN
PHASE
OUTPUTS 180
°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 3V
R
L
= 32Ω
f
IN
= 20Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc09
OUTPUT POWER (mW)
THD+N (%)
100755025
0.01
0.1
1
10
100
0.001
0125
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 3V
R
L
= 32Ω
f
IN
= 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc10
OUTPUT POWER (mW)
THD+N (%)
100755025
0.01
0.1
1
10
100
0.001
0 125
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 3V
R
L
= 32Ω
f
IN
= 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc11
OUTPUT POWER (mW)
THD+N (%)
5040302010
0.01
0.1
1
10
100
0.001
060
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 1.8V
R
L
= 16Ω
f
IN
= 20Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc12
OUTPUT POWER (mW)
THD+N (%)
5040302010
0.01
0.1
1
10
100
0.001
060
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 1.8V
R
L
= 16Ω
f
IN
= 1kHz
Typical Operating Characteristics (continued)
(C1 = C2 = 2.2µF, THD+N measurement bandwidth = 22Hz to 22kHz, T
A
= +25°C, unless otherwise noted.)