TDA7454 Datasheet, PDF (6/13 Pages) STMicroelectronics – 4 x 35W HIGH EFFICIENCY QUAD BRIDGE CAR RADIO AMPLIFIER

TDA7454
Figure 3: Quiescent Current vs. Supply Voltage
Id (mA)
240
200
Vi = 0
RL = 4 Ohm
160
120
80
40
8
10
12
14
16
18
Vs (V)
Figure 4: Output Power vs. Supply Voltage
Po (W)
45
40
35
RL= 4 Ohm
f= 1 KHz
30
THD= 10 %
25
20
THD= 1 %
15
10
5
8 9 10 11 12 13 14 15 16 17 18
Vs (V)
Figure 5: Max. Output Power vs. Supply Voltage
Po (W)
60
55
50
45
RL= 4 Ohm
f= 1 KHz
40
35
30
25
20
15
10
5
8 9 10 11 12 13 14 15 16 17 18
Vs (V)
Figure 6: Output Power vs. Supply Voltage
Po (W)
50
45
40
RL = 2 Ohm
35
f = 1 KHz
30
25
20
15
10
5
8 9 10
THD = 10 %
THD = 1 %
11 12 13 14 15 16
Vs (V)
Figure 7: Max. Output Power vs. Supply Voltage
Po (W)
75
70
65
60
RL= 2 Ohm
55
f= 1 KHz
50
45
40
35
30
25
20
15
8 9 10 11 12 13 14 15 16
Vs (V)
6/13
Figure 8: THD vs. Output Power
THD (%)
10
RL = 4 Ohm
HI-EFF MODE
1
f = 10 KHz
0.1
0
0
f = 1 KHz
1
10
Po (W)