Datasheet

0
20
10
40
30
60
50
70
90
80
0231 45678
EFFICIENCY
vs. TOTAL OUTPUT POWER
MAX9737 toc09
TOTAL OUTPUT POWER (W)
EFFICEINCY (%)
POWER DISSIPATION (W)
0
2
1
4
3
6
5
7
9
8
10
PVDD = 24V,
8Ω LOAD
EFFICIENCY
POWER DISSIPATION
MAX9737
Mono 7W Class D Amplifier
_______________________________________________________________________________________ 5
0
20
10
40
30
60
50
70
90
80
100
0462 8 10 12 14 16
EFFICIENCY
vs. TOTAL OUTPUT POWER
MAX9737 toc10
TOTAL OUTPUT POWER (W)
EFFICEINCY (%)
EFFICIENCY
PVDD = 12V,
4Ω LOAD
POWER DISSIPATION
0
2
1
4
3
6
5
7
9
8
10
POWER DISSIPATION (W)
0
2
1
4
3
5
6
8
7
9
81210 1614 2018 2422 2826
TOTAL OUTPUT POWER vs. PVDD
MAX9737 toc11
SUPPLY VOLTAGE (V)
TOTAL OUTPUT POWER (W)
10% THD+N
1% THD+N
8Ω LOAD
f = 1kHz
0
4
2
10
8
6
16
14
12
18
0105 15202530
TOTAL OUTPUT POWER
vs. LOAD RESISTANCE
MAX9737 toc12
LOAD RESISTANCE (Ω)
TOTAL OUTPUT POWER (W)
PVDD = 12V
10% THD+N
1% THD+N
0
1
2
3
4
5
6
7
8
9
10
11
0 5 10 15 20 25 30
TOTAL OUTPUT POWER
vs. LOAD RESISTANCE
MAX9737 toc13
LOAD RESISTANCE (Ω)
TOTAL OUTPUT POWER (W)
PVDD = 8V
10% THD+N
1% THD+N
-120
-80
-100
-40
-60
0
-20
20
INBAND OUTPUT SPECTRUM
MAX9737 toc14
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dBV)
0 5k 10k 15k 20k
8Ω LOAD
WIDEBAND OUTPUT SPECTRUM
MAX9737 toc15
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dBV)
10M1M
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
100k 100M
8Ω LOAD
0
4
2
8
6
12
10
14
18
16
20
812141610 18 20 22 2624 28
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9737 toc16
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
Typical Operating Characteristics (continued)
(V
PVDD
= 12V, V
GND
= V
PGND
= 0, V
SHDN
= V
MUTE
= 5V, R
IN
= R
FB
= 20kΩ, unless otherwise noted.)