max98400a Maxim Integrated Products, Inc., max98400a Datasheet - Page 8

• Manufacturer Part Number: max98400a
• Description: Stereo, High-power, Class D Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

Stereo, High-Power, Class D Amplifiers
(MAX98400A, V
C
8
REL
MAXIMUM OUTPUT POWER vs. SUPPLY VOLTAGE
100
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0
0
= C1 = C2 = 1FF, typical values are at T
8
0
0
4I LOAD, BOTH CHANNELS ARE DRIVEN
10% THD+N
10 20 30
EFFICIENCY vs. OUTPUT POWER
1% THD+N
(WITH THERMAL SHUTDOWN)
10
OUTPUT POWER vs. LOAD
TOTAL OUTPUT POWER (W)
10
PVDD
SUPPLY VOLTAGE (V)
20
10% THD+N
40
1% THD+N
LOAD (I)
= 18V, V
V
8I LOAD,
BOTH CHANNELS DRIVEN
12
30
50 60
PVDD
= 24V,
40
70
V
SHDN
14
PVDD
80
50
= 24V
90
= 5V, LIM_TH = V
100
16
60
A
100
-10
-20
-30
-40
-50
-60
-70
-80
Typical Operating Characteristics (continued)
= +25NC, unless otherwise noted.)
90
80
70
60
50
40
30
20
10
40
35
30
25
20
15
10
10
0
5
0
0
0.01
0
0
POWER-SUPPLY REJECTION RATIO
S
1% THD+N
10 20 30
EFFICIENCY vs. OUTPUT POWER
, TEMPLOCK = unconnected; G1 = GND, G2 = open (gain = 20.1dB), C
OUTPUT POWER vs. LOAD
TOTAL OUTPUT POWER (W)
0.1
10
10% THD+N
FREQUENCY (kHz)
40
LOAD (I)
V
4I LOAD,
BOTH CHANNELS DRIVEN
20
50 60
PVDD
1
100mV
= 12V,
70
V
30
PVDD
10
P-P
80
RIPPLE
= 12V
90
100
100
40
MAXIMUM OUTPUT POWER vs. SUPPLY VOLTAGE
-100
100
-20
-40
-60
-80
90
80
70
60
50
40
30
20
10
50
45
40
35
30
25
20
15
10
20
0
5
0
0
0.01
8
0
8I LOAD, BOTH
CHANNELS ARE DRIVEN
8I LOAD,
P
f = 1kHz
10% THD+N
10
OUT
1% THD+N
(WITH THERMAL SHUTDOWN)
CROSSTALK vs. FREQUENCY
OUTPUT POWER vs. LOAD
= 1W,
12
20 30 40 50
0.1
SUPPLY VOLTAGE (V)
FREQUENCY (kHz)
16
10% THD+N
1% THD+N
LOAD (I)
1
20
60 70
V
PVDD
10
24
80
= 18V
90
IN
100
28
100
=