MAX9736 Maxim Integrated Products, MAX9736 Datasheet - Page 10

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

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Mono/Stereo High-Power Class D Amplifier
10
(MAX9736A, PVDD = 12V, MOD = high, spread-spectrum modulation mode, V
erwise noted.)
0.01
0.1
10
______________________________________________________________________________________
1
0
PVDD = 18V,
FIXED FREQUENCY,
4Ω LOAD, MONO
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
0.01
100
0.1
10
5
90
80
70
60
50
40
30
20
10
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
0
0
SPREAD SPECTRUM, 4Ω LOAD, MONO)
6kHz
10
OUTPUT POWER (W)
1kHz
vs. OUTPUT POWER (V
PVDD = 24V
6
15
vs. OUTPUT POWER
5
PVDD = 18V
1kHz
OUTPUT POWER (W)
OUTPUT POWER (W)
20
12
EFFICIENCY
4Ω LOAD, MONO,
f = 1kHz SPREAD SPECTRUM
25
6kHz
18
10
PVDD = 12V
30
20Hz
24
DD
15
35
= 24V,
20Hz
30
36
20
0.01
Typical Operating Characteristics (continued)
0.1
10
1
0
PVDD = 18V,
SPREAD SPECTRUM,
4Ω LOAD, MONO
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
5
1kHz
10
6kHz
OUTPUT POWER (W)
15
20
25
GND
(LOAD = 4Ω, f = 1kHz, SPREAD SPECTRUM, MONO)
30
20Hz
40
35
30
25
20
15
10
= V
5
0
90
80
70
60
50
40
30
20
10
0
8
35
PGND
0
10% THD+N
10 12 14
OUTPUT POWER vs. V
= 0V, V
PVDD = 24V
0.01
0.1
5
vs. OUTPUT POWER
10
SUPPLY VOLTAGE (V)
1
OUTPUT POWER (W)
PVDD = 18V
0
EFFICIENCY
16
4Ω LOAD
f = 1kHz,
SPREAD SPECTRUM, MONO
PVDD = 24V,
FIXED FREQUENCY,
4Ω LOAD, MONO
SHDN
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
4Ω LOAD, MONO,
1kHz FIXED FREQUENCY
18 20
10
5
PVDD = 12V
= V
10
OUTPUT POWER (W)
1kHz
1% THD+N
22
MUTE
6kHz
DD
15
15
24
26
= 5V, unless oth-
20
28
20
25
20Hz
30
35