TDA7564 Datasheet, PDF (6/20 Pages) STMicroelectronics – MULTIFUNCTION QUAD POWER AMPLIFIER WITH BUILT-IN DIAGNOSTICS FEATURES

TDA7564
Figure 2. Quiescent Current vs. Supply Voltage
Id (mA)
250
230
210
Vin = 0
NO LOADS
190
170
150
130
110
90
70
8
10
12
14
16
18
Vs (V)
Figure 3. Output Power vs. Supply Voltage (4Ω)
Po (W)
70
65
60
55
RL = 4 Ohm
f = 1 KHz
50
45
40
35
30
25
20
15
10
5
8 9 10 11
12 13 14
Vs (V)
Po-max
THD = 10 %
THD = 1 %
15 16 17 18
Figure 4. Output Power vs. Supply Voltage (2Ω)
Po (W)
100
90
80
RL = 2 Ohm
f = 1 KHz
70
60
50
40
30
20
10
8
9
10 11 12 13
Vs (V)
Po-max
THD = 10 %
THD = 1 %
14 15 16
Figure 5. Distortion vs. Output Power (4Ω, STD)
THD (%)
10
STANDARD MODE
Vs = 14.4 V
1
RL = 4 Ohm
f = 10 KHz
0.1
f = 1 KHz
0.01
0.1
1
10
Po (W)
Figure 6. Distortion vs. Output Power (4Ω, HI-EFF)
THD (%)
10
HI-EFF MODE
Vs = 14.4 V
1
RL = 4 Ohm
f = 10 KHz
0.1
f = 1 KHz
0.01
0.001
0.1
1
10
Po (W)
Figure 7. Distortion vs. Output Power (2Ω, STD)
THD (%)
10
STANDARD MODE
Vs = 14.4 V
RL = 2 Ohm
1
f = 10 KHz
0.1
f = 1 KHz
0.01
0.1
1
10
Po (W)
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