Datasheet

TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc42
OUTPUT POWER (W)
THD+N (%)
30252015105
0.1
1
10
0.01
035
6kHz
1kHz
20Hz
V
PVDD
= 18V,
SPREAD SPECTRUM,
4Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc43
OUTPUT POWER (W)
THD+N (%)
30252015105
0.1
1
10
0.01
035
1kHz
V
PVDD
= 24V,
FIXED FREQUENCY,
4Ω LOAD, MONO
6kHz
20Hz
Typical Operating Characteristics (continued)
(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
______________________________________________________________________________________ 11
EFFICIENCY
vs. OUTPUT POWER
MAX9736 toc46
EFFICIENCY (%)
10
20
30
40
50
60
70
80
90
100
0
4Ω LOAD, MONO,
f = 1kHz SPREAD SPECTRUM
OUTPUT POWER (W)
15105020
V
PVDD
= 24V
V
PVDD
= 18V
V
PVDD
= 12V
OUTPUT POWER vs. V
DD
(LOAD = 4Ω, f = 1kHz, SPREAD SPECTRUM, MONO)
MAX9736 toc47
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
262410 12 14 18 2016 22
5
10
15
20
25
30
35
40
0
828
10% THD+N
1% THD+N
4Ω LOAD
f = 1kHz,
SPREAD SPECTRUM, MONO
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (V
DD
= 24V,
SPREAD SPECTRUM, 4Ω LOAD, MONO)
MAX9736 toc44
OUTPUT POWER (W)
302418126036
6kHz
1kHz
20Hz
THD+N (%)
0.1
1
10
0.01
EFFICIENCY
vs. OUTPUT POWER
MAX9736 toc45
OUTPUT POWER (W)
EFFICIENCY (%)
15105
10
20
30
40
50
60
70
80
90
0
020
4Ω LOAD, MONO,
1kHz FIXED FREQUENCY
V
PVDD
= 24V
V
PVDD
= 18V
V
PVDD
= 12V
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc41
OUTPUT POWER (W)
THD+N (%)
30252015105
0.1
1
10
0.01
035
6kHz
1kHz
20Hz
V
PVDD
= 18V,
FIXED FREQUENCY,
4Ω LOAD, MONO