Datasheet

_______________________________________________________________________________________ 5
MAX98306
Stereo 3.7W Class D Amplifier
Typical Operating Characteristics (continued)
(V
PVDD
= V
SHDN
= 5.0V, V
PGND
= 0V, A
V
= 12dB, R
L
= J, R
L
connected between OUT_+ to OUT_-, 20Hz to 22kHz AC measurement
bandwidth, T
A
= +25NC, unless otherwise noted.)
THD+N vs. OUTPUT POWER
MAX98306 toc04
OUTPUT POWER (W)
THD+N (%)
3.02.52.01.51.00.5
0.01
0.1
1
10
100
0.001
0 4.03.5
V
PVDD
= 5V
Z
LOAD
= 3I + 22µH
f = 6kHz
f = 1kHz
f = 100kHz
THD+N vs. FREQUENCY
MAX98306 toc05
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
10
0.001
10 100k
V
PVDD
= 3.7V
Z
LOAD
= 8I + 68µH
700mW
200mW
THD+N vs. FREQUENCY
MAX98306 toc06
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
10
0.001
10 100k
V
PVDD
= 5V
Z
LOAD
= 8I + 68µH
1.3W
200mW
THD+N vs. FREQUENCY
MAX98306 toc07
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
10
0.001
10 100k
V
PVDD
= 5V
Z
LOAD
= 4I + 33µH
2W
200mW
THD+N vs. FREQUENCY
MAX98306 toc08
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
10
0.001
10 100k
V
PVDD
= 5V
Z
LOAD
= 3I + 22µH
2.5W
500mW
OUTPUT POWER vs. LOAD RESISTANCE
MAX98306 toc09
R
LOAD
(I)
OUTPUT POWER (W)
10010
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
1 1000
V
PVDD
= 3.7V
f = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
MAX98306 toc10
R
LOAD
(I)
OUTPUT POWER (W)
10010
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
1 1000
V
PVDD
= 5V
f = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX98306 toc11
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
5.04.54.03.53.0
0.5
1.0
1.5
2.0
2.5
0
2.5 5.5
f = 1kHz
Z
LOAD
= 8I + 68µH
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX98306 toc12
OUTPUT POWER (W)
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
SUPPLY VOLTAGE (V)
5.04.54.03.53.02.5 5.5
THD+N = 1%
THD+N = 10%
f = 1kHz
Z
LOAD
= 4I + 33µH