MAX9736
Mono/Stereo High-Power Class D Amplifier
Typical Operating Characteristics
PVDD
otherwise noted.)
(MAX9736A, V
= 12V, MOD = high, spread-spectrum modulation mode, V
= V
= 0V, V
= V
= 5V, unless
GND
PGND
SHDN
MUTE
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
1
0.1
1
0.1
1
V
= 12V,
PVDD
V
= 12V,
V
= 12V,
PVDD
PVDD
SPREAD SPECTRUM,
8Ω LOAD
FIXED FREQUENCY,
8Ω LOAD
FIXED FREQUENCY,
4Ω LOAD
P
= 5W
P
OUT
= 5W
OUT
P
OUT
= 5W
0.1
0.01
P
OUT
= 3W
P
OUT
= 3W
P
= 3W
OUT
0.01
0.001
0.01
0.001
0.001
10
100
1k
FREQUENCY (Hz)
10k
100k
10
100
1k
FREQUENCY (Hz)
10k
100k
10
100
1k
FREQUENCY (Hz)
10k
100k
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
1
0.1
10
10
V
= 12V,
PVDD
V
= 12V,
V
= 12V,
PVDD
PVDD
SPREAD SPECTRUM,
4Ω LOAD
FIXED FREQUENCY,
8Ω LOAD
SPREAD SPECTRUM,
8Ω LOAD
1
0.1
1
0.1
6kHz
6kHz
1kHz
P
= 5W
OUT
1kHz
P
OUT
= 3W
0.01
0.001
0.01
0.001
0.01
0.001
20Hz
7
20Hz
10
100
1k
FREQUENCY (Hz)
10k
100k
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
8
9
10
OUTPUT POWER (W)
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
10
1
10
1
10
1
V
= 24V,
V
= 18V,
PVDD
V
= 18V,
PVDD
PVDD
FIXED FREQUENCY,
8Ω LOAD
FIXED FREQUENCY,
8Ω LOAD
SPREAD SPECTRUM,
8Ω LOAD
6kHz
1kHz
6kHz
6kHz
1kHz
0.1
0.1
0.1
20Hz
20Hz
0.01
0.001
0.01
0.001
0.01
0.001
1kHz
20Hz
12
OUTPUT POWER (W)
0
2
4
6
8
10 12 14 16 18 20
0
2
4
6
8
10 12 14 16 18 20
0
4
8
16
OUTPUT POWER (W)
OUTPUT POWER (W)
Maxim Integrated
│
6
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