Typical Operating Characteristics (continued)
(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
10
______________________________________________________________________________________
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736
toc37
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
0.001
10
100k
POUT = 10W
POUT = 6W
VPVDD = 12V,
FIXED FREQUENCY,
4
Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9736
toc38
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
0.001
10
100k
POUT = 10W
POUT = 6W
VPVDD = 12V,
SPREAD SPECTRUM,
4
Ω LOAD, MONO
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9736
toc39
OUTPUT POWER (W)
THD+N
(%)
18
16
14
12
10
8
6
4
2
0.1
1
10
0.01
020
6kHz
1kHz
20Hz
VPVDD = 12V,
FIXED FREQUENCY,
4
Ω LOAD, MONO
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736
toc33
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
23
18
13
10
20
30
40
0
828
VREGEN = VMUTE = VSHDN = 3.3V
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736
toc34
SUPPLY
CURRENT
(mA)
5
10
15
20
0
SUPPLY VOLTAGE (V)
23
18
13
828
VREGEN = 0V,
VMUTE = VSHDN = 3.3V,
VS = 5V
SUPPLY CURRENT
vs. VS SUPPLY VOLTAGE
MAX9736
toc35
VS VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.3
5.1
4.9
4.7
7
9
13
11
15
5
4.5
5.5
VREGEN = 0V,
VMUTE = VSHDN = 3.3V
SHUTDOWN CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736
toc36
SUPPLY VOLTAGE (V)
SHUTDOWN
CURRENT
(μ
A)
24
20
16
12
-1
0
1
2
3
-2
828
VREGEN = VSHDN = 0V,
VMUTE = 3.3V
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (VDD = 12V,
SPREAD SPECTRUM, 4
Ω LOAD, MONO)
MAX9736
toc40
OUTPUT POWER (W)
THD+N
(%)
18
16
14
12
10
8
6
4
2
0.1
1
10
0.01
020
6kHz
1kHz
20Hz