MAX4409 Maxim Integrated Products, MAX4409 Datasheet - Page 4

• Manufacturer Part Number: MAX4409
• Description: Stereo Headphone Amplifier
• Manufacturer: Maxim Integrated Products

80mW, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
(
4
C1 = C2 = 2.2µF, R
0.001
0.01
0.001
0.001
0.1
0.01
0.01
100
_______________________________________________________________________________________
100
0.1
0.1
1
10
10
1
1
10
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
f = 10kHz
R
TOTAL HARMONIC DISTORTION PLUS
V
R
V
f = 10kHz
R
DD
L
DD
L
DD
L
P
= 32Ω
= 16Ω
= 32Ω
OUT
= 1.8V
= 3V
= 3V
30
20
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
= 5mW
OUTPUTS IN
PHASE
100
NOISE vs. FREQUENCY
OUTPUTS
OUT OF
PHASE
OUTPUTS IN
PHASE
OUTPUT POWER (W)
OUTPUT POWER (W)
60
40
FREQUENCY (Hz)
IN
= R
1k
90
60
P
OUT
F
= R1 = R2 = 10kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, T
= 15mW
120
80
10k
OUTPUTS
OUT OF
PHASE
150
100
100k
180
120
0.0001
0.001
0.001
0.001
0.01
0.01
Typical Operating Characteristics (continued)
0.01
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
0
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
V
f = 20Hz
R
V
f = 20Hz
R
V
f = 20Hz
R
DD
L
DD
L
DD
L
OUTPUTS IN
PHASE
= 16Ω
= 16Ω
= 32Ω
OUTPUTS IN
PHASE
OUTPUTS
IN PHASE
= 3V
= 1.8V
= 3V
10
30
20
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
20
60
40
30
90
60
120
40
80
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
150
100
50
180
120
60
0.001
0.001
0.001
0.01
0.01
0.01
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
A
0
0
0
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
TOTAL HARMONIC DISTORTION PLUS
= +25°C, unless otherwise noted.
V
f = 1kHz
R
V
f = 1kHz
R
OUTPUTS IN
PHASE
V
f = 1kHz
R
DD
L
DD
L
DD
L
= 16Ω
= 32Ω
= 16Ω
= 3V
OUTPUTS IN
PHASE
= 3V
= 1.8V
30
20
10
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
NOISE vs. OUTPUT POWER
OUTPUTS IN
PHASE
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
40
20
60
60
90
30
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120
80
40
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
OUTPUTS
OUT OF
PHASE
100
150
50
120
180
60
)