Datasheet

5Maxim Integrated
Mono 2.6W Class D Amplifier
MAX98300
Typical Operating Characteristics (continued)
(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.)
1.21.00.6 0.80.40.20 1.4
EFFICIENCY vs. OUTPUT POWER
MAX98300 toc10
OUTPUT POWER (W)
EFFICIENCY (%)
10
20
30
40
50
60
70
80
90
100
0
V
PVDD
= 3.7V
R
L
= 8I + 68FH
R
L
= 4I + 33FH
5.0
4.0
4.53.53.02.5 5.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX98300 toc13
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
0.25
1.00
1.50
0.50
0.75
1.25
1.75
2.00
2.25
2.50
2.75
3.00
0
R
L
= 4I + 33FH
10% THD+N
1% THD+N
COMMON-MODE REJECTION RATION vs.
FREQUENCY
MAX98300 toc16
FREQUENCY (kHz)
CMRR (dB)
1010.1
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
0.01 100
INPUT REFERRED
OUTPUT POWER vs.
LOAD RESISTANCE
MAX98300 toc11
LOAD RESITANCE (I)
OUTPUT POWER (W)
1001.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
1 1000
PVDD = 5V
10% THD+N
1% THD+N
5.0
4.0
4.53.53.02.5 5.5
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX98300 toc14
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
0.25
1.00
1.50
0.50
0.75
1.25
1.75
2.00
2.25
2.50
2.75
3.00
0
R
L
= 8I + 68FH
10% THD+N
1% THD+N
OUTPUT POWER vs.
LOAD RESISTANCE
MAX98300 toc12
LOAD RESITANCE (I)
OUTPUT POWER (W)
1001.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
1 1000
PVDD = 3.7V
10% THD+N
1% THD+N
POWER-SUPPLY REJECTION RATIO vs.
FREQUENCY
MAX98300 toc15
FREQUENCY (kHz)
PSRR (dB)
1010.1
-70
-60
-50
-40
-30
-20
-10
0
-80
0.01 100
V
RIPPLE
= 200mV
P-P
V
PVDD
= 5.0V
GAIN vs. FREQUENCY
MAX98300 toc17
FREQUENCY (kHz)
AMPLITUDE (dB)
1010.1
0
5
10
15
20
-5
0.01 100
A
V
= 12dB
A
V
= 9dB
A
V
= 6dB
A
V
= 3dB
A
V
= 0dB