MAX9736 Maxim Integrated Products, MAX9736 Datasheet - Page 7

• Manufacturer Part Number: MAX9736
• Description: Mono/Stereo High-Power Class D Amplifier
• Manufacturer: Maxim Integrated Products

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(MAX9736A, PVDD = 12V, MOD = high, spread-spectrum modulation mode, V
erwise noted.)
40
35
30
25
20
15
10
5
0
5
TOTAL OUTPUT POWER vs. V
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
10% THD+N
0
10
0
LOAD = 8Ω, f = 1kHz
Mono/Stereo High-Power Class D Amplifier
0
0
SUPPLY VOLTAGE (V)
PVDD = 12V,
FIXED FREQUENCY,
4Ω LOAD
PVDD = 24V,
FIXED FREQUENCY,
8Ω LOAD
15
vs. TOTAL OUTPUT POWER
5
vs. TOTAL OUTPUT POWER
POWER DISSIPATION
_______________________________________________________________________________________
POWER DISSIPATION
TOTAL OUTPUT POWER (W)
EFFICIENCY
TOTAL OUTPUT POWER (W)
5
10
1% THD+N
20
EFFICIENCY
EFFICIENCY
15
10
25
EFFICIENCY
DD
20
30
15
MAX9736 toc17
MAX9736 toc19
25
30
20
Typical Operating Characteristics (continued)
16
14
12
10
TOTAL OUTPUT POWER vs. LOAD RESISTANCE
10
9
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
0
8
6
4
2
0
V
5
DD
= 12V, f = 1kHz, SPREAD SPECTRUM
10
1% THD+N
LOAD RESISTANCE (Ω)
15
20
10% THD+N
GND
25
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
= V
0
0
PVDD = 12V,
SPREAD SPECTRUM,
4Ω LOAD
PVDD = 24V,
SPREAD SPECTRUM,
8Ω LOAD
30
PGND
vs. TOTAL OUTPUT POWER
5
vs. TOTAL OUTPUT POWER
5
EFFICIENCY
TOTAL OUTPUT POWER (W)
TOTAL OUTPUT POWER (W)
EFFICIENCY
= 0V, V
10
10
EFFICIENCY
EFFICIENCY
POWER DISSIPATION
30
25
20
15
10
POWER DISSIPATION
TOTAL OUTPUT POWER vs. LOAD RESISTANCE
5
0
V
5
15
15
DD
SHDN
= 18V, f = 1kHz, SPREAD SPECTRUM
1% THD+N
20
20
10
= V
LOAD RESISTANCE (Ω)
MUTE
MAX9736 toc20
MAX9736 toc18
25
10% THD+N
25
15
= 5V, unless oth-
30
30
20
10
9
8
7
6
5
4
3
2
1
0
10
9
8
7
6
5
4
3
2
1
0
25
30
7