Datasheet

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
10 ______________________________________________________________________________________
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736 toc37
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 10W
P
OUT
= 6W
V
PVDD
= 12V,
FIXED FREQUENCY,
4Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736 toc38
FREQUENCY (Hz)
THD+N (%)
10k1k100
0.01
0.1
1
0.001
10 100k
P
OUT
= 10W
P
OUT
= 6W
V
PVDD
= 12V,
SPREAD SPECTRUM,
4Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736 toc39
OUTPUT POWER (W)
THD+N (%)
18161412108642
0.1
1
10
0.01
020
6kHz
1kHz
20Hz
V
PVDD
= 12V,
FIXED FREQUENCY,
4Ω LOAD, MONO
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736 toc33
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
231813
10
20
30
40
0
828
V
REGEN
= V
MUTE
= V
SHDN
= 3.3V
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736 toc34
SUPPLY CURRENT (mA)
5
10
15
20
0
SUPPLY VOLTAGE (V)
231813828
V
REGEN
= 0V,
V
MUTE
= V
SHDN
= 3.3V,
VS = 5V
SUPPLY CURRENT
vs. VS
SUPPLY VOLTAGE
MAX9736 toc35
VS VOLTAGE (V)
SUPPLY CURRENT (mA)
5.35.14.94.7
7
9
13
11
15
5
4.5 5.5
V
REGEN
= 0V,
V
MUTE
= V
SHDN
= 3.3V
SHUTDOWN CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736 toc36
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT (μA)
24201612
-1
0
1
2
3
-2
828
V
REGEN
= V
SHDN
= 0V,
V
MUTE
= 3.3V
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (V
DD
= 12V,
SPREAD SPECTRUM, 4Ω LOAD, MONO)
MAX9736 toc40
OUTPUT POWER (W)
THD+N (%)
18161412108642
0.1
1
10
0.01
020
6kHz
1kHz
20Hz