MAX13301 Datasheet, PDF (7/37 Pages) Maxim Integrated Products – 4-Channel, Automotive Class D Audio Amplifier Feedback After the Filter

4-Channel, Automotive Class D Audio Amplifier
Typical Operating Characteristics
(VPVDD = 24V, VDD = VDD5 = 5V, VGND = VPGND = 0V, fSW = 500kHz, MAP.COMP[2:0] = 011, see Table 32 for LC filter value,
TA = +25NC, unless otherwise noted.)
THD+N vs. OUTPUT POWER
10
f = 1kHz
BW = 22Hz TO
20kHz AES17
R_L = 4I
1
0.1
THD+N vs. OUTPUT POWER
10
f = 1kHz
BW = 22Hz TO
20kHz AES17
PARALLEL MODE
1
RL = 4I
0.1
RL = 2I
EFFICIENCY vs. OUTPUT POWER
PER CHANNEL
100
90
80
RL = 4I
70
R_L = 2I
60
2-CHANNEL
PARALLEL MODE
50
R_L = 1I
40
30
fIN = 1kHz
20
10% THD+N
10
BW = 22Hz TO 20kHz AES17
0.01
0
0.01
20
40
60
80
0 20 40 60 80 100 120 140 160
OUTPUT POWER (W)
OUTPUT POWER (W)
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT POWER PER CHANNEL (W)
EFFICIENCY vs. OUTPUT POWER
PER CHANNEL
100
90
80
70
60
50
40
30
20
10
0
0
fIN = 1kHz
R_L = 4I
10% THD+N
BW = 22Hz TO 20kHz AES1
10 20 30 40 50 60 70 80 90
OUTPUT POWER PER CHANNEL (W)
POWER DISSIPATION vs. OUTPUT POWER
PER CHANNEL
40
35
30
25
20
15
10
5
0
0
RL = 2I
f_IN = 1kHz
10% THD+N
BW = 22Hz TO 20kHz AES17
5 10 15 20 25 30 35 40 45 50
OUTPUT POWER PER CHANNEL (W)
POWER DISSIPATION vs. OUTPUT POWER
PER CHANNEL
50
45
40
35
30
25
20
15
10
5
0
0
fIN = 1kHz
RL = 4I
10% THD+N
BW = 22Hz TO 20kHz AES17
10 20 30 40 50 60 70 80 90
OUTPUT POWER PER CHANNEL (W)
OUTPUT POWER vs. SUPPLY VOLTAGE
100
90
RL = 4I
fIN = 1kHz
80
70
60
10% THD+N
50
40
30
20
1% THD+N
10
0
5
10
15
20
25
30
VPVDD (V)
CROSSTALK
-40
POUT = 4W
-50 ^{RL = 4I}
-60
OUT0 TO OUT3
-70 _{OUT0 TO OUT2}
-80
-90
-100
0.01
OUT0 TO OUT1
0.1
1
10
FREQUENCY (kHz)
OUTPUT FREQUENCY SPECTRUM
0
MUTE MODE
-20 ^{RL = 4I}
-40
-60
-80
-100
-120
100
0
5
10
15
20
FREQUENCY (kHz)
7