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
12
______________________________________________________________________________________
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9736
toc48
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
25
20
15
10
5
2
4
6
8
10
12
14
16
18
20
0
030
10% THD+N
1% THD+N
VPVDD = 12V, MONO,
SPREAD SPECTRUM
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9736
toc49
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
25
20
5
10
15
5
10
15
20
25
30
35
40
0
030
10% THD+N
1% THD+N
VPVDD = 18V, MONO,
SPREAD SPECTRUM
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9736
toc50
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
25
20
5
10
15
5
10
15
20
25
30
35
40
0
030
10% THD+N
1% THD+N
VPVDD = 24V, MONO,
SPREAD SPECTRUM
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736
toc51
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
28
23
18
13
15
30
45
0
8
VREGEN = VMUTE = VSHDN = 3.3V, MONO
SUPPLY CURRENT
vs. PVDD SUPPLY VOLTAGE
MAX9736
toc52
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
23
18
13
5
15
10
20
0
828
VREGEN = 0V,
VMUTE = VSHDN = 3.3V,
VS = 5V, MONO
SUPPLY CURRENT
vs. VS VOLTAGE
MAX9736
toc53
VS VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
5
10
15
20
0
4.5
5.5
VREGEN = 0V,
VMUTE = VSHDN = 3.3V,
MONO