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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
_______________________________________________________________________________________ 5
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc16
OUTPUT POWER (mW)
THD+N (%)
40302010
0.01
0.1
1
10
100
0.001
050
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 1.8V
R
L
= 32Ω
f
IN
= 10kHz
CROSSTALK vs. FREQUENCY
MAX4411 toc21
FREQUENCY (Hz)
CROSSTALK (dB)
10k1k100
-120
-100
-80
-60
-40
-20
0
-140
10 100k
V
DD
= 3V
P
OUT
= 1.6mW
R
L
= 16Ω
LEFT TO RIGHT
RIGHT TO LEFT
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc13
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
= 10kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc14
OUTPUT POWER (mW)
THD+N (%)
40302010
0.01
0.1
1
10
100
0.001
050
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 1.8V
R
L
= 32Ω
f
IN
= 20Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX4411 toc15
OUTPUT POWER (mW)
THD+N (%)
40302010
0.01
0.1
1
10
100
0.001
050
OUTPUTS IN
PHASE
OUTPUTS 180°
OUT OF PHASE
ONE CHANNEL
DRIVEN
V
DD
= 1.8V
R
L
= 32Ω
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.)
0
-100
10 100 1k 10k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-80
MAX4411 toc18
FREQUENCY (Hz)
PSRR (dB)
-60
-40
-20
-30
-50
-70
-90
-10
V
DD
= 1.8V
R
L
= 16Ω
0
-100
10 100 1k 10k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-80
MAX4411 toc19
FREQUENCY (Hz)
PSRR (dB)
-60
-40
-20
-30
-50
-70
-90
-10
V
DD
= 3V
R
L
= 32Ω
10 100 1k 10k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4411 toc20
FREQUENCY (Hz)
V
DD
= 1.8V
R
L
= 32Ω
0
-100
-80
PSRR (dB)
-60
-40
-20
-30
-50
-70
-90
-10
0
-100
10 100 1k 10k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-80
MAX4411 toc17
FREQUENCY (Hz)
PSRR (dB)
-60
-40
-20
-30
-50
-70
-90
-10
V
DD
= 3V
R
L
= 16Ω