Datasheet

4 Maxim Integrated
Mono 2.6W Class D Amplifier
MAX98300
Typical Operating Characteristics
(V
PVDD
= V
SHDN
= 5.0V, V
PGND
= 0V, A
V
= 12dB, R
L
= J, unless otherwise specified, R
L
connected between OUT+ to OUT-, AC
measurement bandwidth 20Hz to 22kHz, T
A
= +25NC, unless otherwise noted.)
THD+N vs. FREQUENCY
MAX98300 toc04
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
P
OUT
= 100mW
P
OUT
= 600mW
R
L
= 8I + 68FH
V
PVDD
= 3.7V
1.51.20.90.60.30 1.8
THD+N vs. OUTPUT POWER
MAX98300 toc07
OUTPUT POWER (W)
THD+N (%)
0.1
1
10
100
0.01
f
IN
= 6kHz
f
IN
= 1kHz
f
IN
= 100Hz
R
L
= 8I + 68FH
V
PVDD
= 5.0V
THD+N vs. FREQUENCY
MAX98300 toc01
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
P
OUT
= 1.2W
P
OUT
= 400mW
R
L
= 4I + 33FH
V
PVDD
= 5.0V
THD+N vs. OUTPUT POWER
MAX98300 toc05
OUTPUT POWER (W)
THD+N (%)
2.52.01.51.00.5
0.1
1
10
100
0.01
0 3.0
f
IN
= 6kHz
R
L
= 4I + 33µH
V
PVDD
= 5.0V
f
IN
= 1kHz
f
IN
= 100Hz
THD+N vs. OUTPUT POWER
MAX98300 toc08
OUTPUT POWER (W)
THD+N (%)
0.80.60.40.2
0.1
1
10
100
0.01
0 1.0
f
IN
= 6kHz
f
IN
= 1kHz
f
IN
= 100Hz
R
L
= 8I + 68FH
V
PVDD
= 3.7V
THD+N vs. FREQUENCY
MAX98300 toc02
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
P
OUT
= 800mW
P
OUT
= 200mW
R
L
= 4I + 33FH
V
PVDD
= 3.7V
THD+N vs. OUTPUT POWER
MAX98300 toc06
OUTPUT POWER (W)
THD+N (%)
0.2 0.4 0.6 0.8 1.0 1.2 1.4
0.1
1
10
100
0.01
0 1.6
f
IN
= 1kHz
f
IN
= 6kHz
R
L
= 4I + 33µH
V
PVDD
= 3.7V
f
IN
= 100Hz
EFFICIENCY vs. OUTPUT POWER
MAX98300 toc09
OUTPUT POWER (W)
EFFICIENCY (%)
2.01.61.20.80.4
10
20
30
40
50
60
70
80
90
100
0
0 2.4
V
PVDD
= 5.0V
R
L
= 8I + 68FH
R
L
= 4I + 33FH
THD+N vs. FREQUENCY
MAX98300 toc03
FREQUENCY (kHz)
THD+N (%)
1010.1
0.01
0.1
1
10
0.001
0.01 100
P
OUT
= 1.2W
P
OUT
= 150mW
R
L
= 8I + 68FH
V
PVDD
= 5.0V