MAX4409 Maxim Integrated Products, MAX4409 Datasheet - Page 6

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

80mW, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
(
6
C1 = C2 = 2.2µF, R
-100
140
120
100
_______________________________________________________________________________________
200
-10
-20
-70
-80
-90
250
150
100
-30
-40
-50
-60
80
60
40
20
50
0
0
0
1.8
10
10
OUTPUT POWER vs. SUPPLY VOLTAGE
OUTPUT POWER vs. LOAD RESISTANCE
IN PHASE
V
f
R
THD+N = 1%
INPUTS
COMMON-MODE REJECTION RATIO
IN
IN
L
= 1kHz
= 32Ω
= 500mV
2.1
100
100
OUT OF PHASE
INPUTS 180°
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
P-P
vs. FREQUENCY
2.4
FREQUENCY (Hz)
IN
OUT OF PHASE
= R
INPUTS 180°
2.7
1k
1k
F
IN PHASE
= R1 = R2 = 10kΩ, THD+N measurement bandwidth = 22Hz to 22kHz, T
INPUTS
3.0
THD+N = 10%
10k
10k
f
V
IN
DD
3.3
= 1kHz
= 3V
100k
3.6
100k
Typical Operating Characteristics (continued)
200
180
160
140
120
100
180
160
140
120
100
80
60
40
20
80
60
40
20
45
40
35
30
25
20
15
10
0
0
5
0
1.8
1.8
10
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
OUTPUT POWER vs. SUPPLY VOLTAGE
f
R
THD+N = 1%
f
R
THD+N = 10%
IN
IN
L
L
= 1kHz
= 16Ω
= 1kHz
= 32Ω
INPUTS 180°
OUT OF PHASE
2.1
2.1
100
INPUTS IN
PHASE
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
2.4
2.4
OUT OF PHASE
OUT OF PHASE
INPUTS 180°
INPUTS 180°
2.7
2.7
1k
3.0
IN PHASE
3.0
INPUTS
IN PHASE
INPUTS
THD+N = 1%
10k
V
DD
f
IN
3.3
3.3
= 1kHz
= 1.8V
100k
3.6
3.6
140
300
250
200
150
100
160
120
100
50
80
60
40
20
70
60
50
40
30
20
10
A
0
0
0
1.8
= +25°C, unless otherwise noted.
10
10
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. LOAD RESISTANCE
OUTPUT POWER vs. SUPPLY VOLTAGE
IN PHASE
f
R
THD+N = 10%
IN
INPUTS
L
= 1kHz
= 16Ω
2.1
INPUTS 180°
OUT OF PHASE
100
100
LOAD RESISTANCE (Ω)
LOAD RESISTANCE (Ω)
SUPPLY VOLTAGE (V)
OUT OF PHASE
INPUTS IN
PHASE
INPUTS 180°
2.4
2.7
1k
1k
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OUT OF PHASE
INPUTS 180°
3.0
THD+N = 1%
IN PHASE
INPUTS
THD+N = 10%
10k
f
10k
IN
V
V
DD
f
DD
= 1kHz
IN
3.3
= 1kHz
= 3V
= 1.8V
)
100k
100k
3.6