Typical Operating Characteristics
(MAX9736A, VPVDD = 12V, MOD = high, spread-spectrum modulation mode, VGND = VPGND = 0V, VSHDN = VMUTE = 5V, unless
otherwise noted.)
MAX9736
Mono/Stereo High-Power Class D Amplifier
6
_______________________________________________________________________________________
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
0.001
10
100k
POUT = 5W
POUT = 3W
VPVDD = 12V,
FIXED FREQUENCY,
8
Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
0.001
10
100k
POUT = 5W
POUT = 3W
VPVDD = 12V,
SPREAD SPECTRUM,
8
Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
0.001
10
100k
POUT = 5W
POUT = 3W
VPVDD = 12V,
FIXED FREQUENCY,
4
Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736
toc04
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
0.001
10
100k
POUT = 5W
POUT = 3W
VPVDD = 12V,
SPREAD SPECTRUM,
4
Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736
toc05
OUTPUT POWER (W)
THD+N
(%)
9
8
7
6
5
4
3
2
1
0.01
0.1
1
10
0.001
010
VPVDD = 12V,
FIXED FREQUENCY,
8
Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736
toc06
OUTPUT POWER (W)
THD+N
(%)
9
8
7
6
5
4
3
2
1
0.01
0.1
1
10
0.001
010
VPVDD = 12V,
SPREAD SPECTRUM,
8
Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736
toc07
OUTPUT POWER (W)
THD+N
(%)
18
16
14
12
10
8
6
4
2
0.01
0.1
1
10
0.001
020
VPVDD = 18V,
FIXED FREQUENCY,
8
Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736
toc08
OUTPUT POWER (W)
THD+N
(%)
18
16
14
12
10
8
6
4
2
0.01
0.1
1
10
0.001
020
VPVDD = 18V,
SPREAD SPECTRUM,
8
Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736
toc09
OUTPUT POWER (W)
THD+N
(%)
16
12
8
4
0.01
0.1
1
10
0.001
0
1kHz
VPVDD = 24V,
FIXED FREQUENCY,
8
Ω LOAD
6kHz
20Hz