Datasheet

Typical Operating Characteristics
(MAX9736A, V
PVDD
= 12V, MOD = high, spread-spectrum modulation mode, V
GND
= V
PGND
= 0V, V
SHDN
= V
MUTE
= 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 (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 5W
P
OUT
= 3W
V
PVDD
= 12V,
FIXED FREQUENCY,
8Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736 toc02
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 5W
P
OUT
= 3W
V
PVDD
= 12V,
SPREAD SPECTRUM,
8Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736 toc03
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 5W
P
OUT
= 3W
V
PVDD
= 12V,
FIXED FREQUENCY,
4Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736 toc04
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 5W
P
OUT
= 3W
V
PVDD
= 12V,
SPREAD SPECTRUM,
4Ω LOAD
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc05
OUTPUT POWER (W)
THD+N (%)
987654321
0.01
0.1
1
10
0.001
010
V
PVDD
= 12V,
FIXED FREQUENCY,
8Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc06
OUTPUT POWER (W)
THD+N (%)
987654321
0.01
0.1
1
10
0.001
010
V
PVDD
= 12V,
SPREAD SPECTRUM,
8Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc07
OUTPUT POWER (W)
THD+N (%)
18161412108642
0.01
0.1
1
10
0.001
020
V
PVDD
= 18V,
FIXED FREQUENCY,
8Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc08
OUTPUT POWER (W)
THD+N (%)
18161412108642
0.01
0.1
1
10
0.001
020
V
PVDD
= 18V,
SPREAD SPECTRUM,
8Ω LOAD
6kHz
1kHz
20Hz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc09
OUTPUT POWER (W)
THD+N (%)
16
12
84
0.01
0.1
1
10
0.001
0
1kHz
V
PVDD
= 24V,
FIXED FREQUENCY,
8Ω LOAD
6kHz
20Hz