Manualshelf

Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsLinear ICsLinear IC - Audio amplifier Headphones (2-channel, stereo) Class AB TQFN 20 (4x4)
12345678910
MAX4409
80mW, DirectDrive, Stereo Headphone
Amplifier with Common-Mode Sense
6 _______________________________________________________________________________________
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.)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX4409 toc22
FREQUENCY (Hz)
CMRR (dB)
10k1k100
-90
-70
-80
-40
-50
-60
-10
-20
-30
0
-100
10 100k
V
IN
= 500mV
P-P
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX4409 toc23
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
3.33.02.72.42.1
20
40
60
80
100
120
140
160
180
200
0
1.8 3.6
f
IN
= 1kHz
R
L
= 16Ω
THD+N = 1%
INPUTS
IN PHASE
INPUTS 180°
OUT OF PHASE
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX4409 toc24
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
3.33.02.72.42.1
50
100
150
200
250
300
0
1.8 3.6
f
IN
= 1kHz
R
L
= 16Ω
THD+N = 10%
INPUTS
IN PHASE
INPUTS 180°
OUT OF PHASE
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX4409 toc25
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
3.33.02.72.42.1
20
40
60
80
100
120
140
0
1.8 3.6
f
IN
= 1kHz
R
L
= 32Ω
THD+N = 1%
INPUTS 180°
OUT OF PHASE
INPUTS
IN PHASE
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX4409 toc26
SUPPLY VOLTAGE (V)
OUTPUT POWER (mW)
3.33.02.72.42.1
40
20
60
80
100
120
140
160
180
0
1.8 3.6
f
IN
= 1kHz
R
L
= 32Ω
THD+N = 10%
INPUTS
IN PHASE
INPUTS 180°
OUT OF PHASE
OUTPUT POWER vs. LOAD RESISTANCE
MAX4409 toc27
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
10k1k100
40
20
60
80
100
120
140
160
0
10 100k
V
DD
= 3V
f
IN
= 1kHz
THD+N = 1%
INPUTS 180°
OUT OF PHASE
INPUTS
IN PHASE
OUTPUT POWER vs. LOAD RESISTANCE
MAX4409 toc28
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
10k1k100
50
100
150
200
250
0
10 100k
INPUTS
IN PHASE
INPUTS 180°
OUT OF PHASE
V
DD
= 3V
f
IN
= 1kHz
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
MAX4409 toc29
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
10k1k100
5
10
15
20
25
30
35
40
45
0
10 100k
INPUTS 180°
OUT OF PHASE
INPUTS IN
PHASE
V
DD
= 1.8V
f
IN
= 1kHz
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
MAX4409 toc30
LOAD RESISTANCE (Ω)
OUTPUT POWER (mW)
10k1k100
10
20
30
40
50
60
70
0
10 100k
INPUTS 180°
OUT OF PHASE
INPUTS IN
PHASE
V
DD
= 1.8V
f
IN
= 1kHz
THD+N = 10%