Datasheet

MAX4409
80mW, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
_______________________________________________________________________________________ 5
100
10
1
0.1
0.01
0.001
02040503010 60
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4409 toc13
OUTPUT POWER (W)
V
DD
= 1.8V
f = 10kHz
R
L
= 16Ω
THD+N (%)
OUTPUTS IN
PHASE
OUTPUTS
OUT OF
PHASE
100
10
1
0.1
0.01
0.001
03040
2010
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4409 toc14
OUTPUT POWER (W)
THD+N (%)
V
DD
= 1.8V
f = 20Hz
R
L
= 32Ω
OUTPUTS IN
PHASE
OUTPUTS
OUT OF
PHASE
100
10
1
0.1
0.01
0.001
020403010
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4409 toc15
OUTPUT POWER (W)
THD+N (%)
V
DD
= 1.8V
f = 1kHz
R
L
= 32Ω
OUTPUTS IN
PHASE
OUTPUTS
OUT OF
PHASE
100
10
1
0.1
0.01
0.001
0
20 30
40
10
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX4409 toc16
OUTPUT POWER (W)
THD+N (%)
V
DD
= 1.8V
f = 10kHz
R
L
= 32Ω
OUTPUTS IN
PHASE
OUTPUTS
OUT OF
PHASE
10 100 10k1k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4409 toc17
FREQUENCY (Hz)
PSRR (dB)
0
-30
-40
-20
-10
-90
-70
-80
-50
-60
V
DD
= 3V
V
IN
= 200mV
P-P
R
L
= 16Ω
10 100 10k1k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4410 toc18
FREQUENCY (Hz)
PSRR (dB)
0
-40
-10
-20
-30
-90
-70
-80
-50
-60
V
DD
= 3V
V
IN
= 200mV
P-P
R
L
= 16Ω
10 100 10k1k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4410 toc19
FREQUENCY (Hz)
PSRR (dB)
0
-40
-10
-20
-30
-90
-70
-80
-50
-60
V
DD
= 1.8V
V
IN
= 200mV
P-P
R
L
= 16Ω
10 100 10k1k 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4410 toc20
FREQUENCY (Hz)
PSRR (dB)
0
-40
-10
-20
-30
-90
-70
-80
-60
-50
V
DD
= 1.8V
V
IN
= 200mV
P-P
R
L
= 32Ω
CROSSTALK vs. FREQUENCY
MAX4410 toc21
FREQUENCY (Hz)
CROSSTALK (dB)
10k1k100
-80
-60
-70
-40
-50
-10
-20
-30
0
-90
10 100k
LEFT TO RIGHT
RIGHT TO LEFT
V
IN
= 200mV
P-P
Typical Operating Characteristics (continued)
(C1 = C2 = 2.2µF, R
IN
= R
F
= R1 = R2 = 10kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, T
A
= +25°C, unless otherwise noted.)