TDA7563A Datasheet, PDF (10/35 Pages) STMicroelectronics – 4 x 50W multifunction quad power amplifier with built-in diagnostics feature

Electrical specifications
TDA7563A
Table 3.
Symbol
Electrical characteristics (continued)
(Refer to the test circuit, V_S = 14.4V; f=1kHz; R_L=4Ω; T_amb= 25°C unless otherwise specified)
Parameter
Test condition
Min. Typ. Max. Unit
V_O Offset detection
Power amplifier in play, STD mode
±1.5 ±2 ±2.5
V
AC input signals = 0
I_NL Normal load current detection
I_OL Open load current detection
I²C bus interface
V_O < (V_S-5)pk
500
mA
250 mA
S_CL Clock frequency
V_IL Input low voltage
V_IH Input high voltage
400 kHz
1.5
V
2.3
V
2.4
Electrical characteristics curves
Figure 5. Quiescent current vs. supply voltage Figure 6. Output power vs. supply voltage (4Ω)
Id (mA)
250
230
Vin = 0
210
NO LOADS
190
170
150
130
110
90
70
8
10
12
14
16
18
Vs (V)
Po (W)
70
65
60
55
RL = 4 Ohm
f = 1 KHz
50
45
Po-max
THD = 10 %
40
35
30
25
20
THD = 1 %
15
10
5
8 9 10 11 12 13 14 15 16 17 18
Vs (V)
Figure 7. Output power vs. supply voltage (2Ω) Figure 8. Distortion vs. output power (4Ω, STD)
Po (W)
100
90
80
RL = 2 Ohm
70
f = 1 KHz
60
Po-max
THD = 10 %
50
40
30
THD = 1 %
20
10
8
9
10 11 12 13 14 15 16
Vs (V)
THD (%)
10
STANDARD MODE
V_S = 14.4 V
1
R_L = 4Ω
f = 10 KHz
0.1
0.01
0.001
0.1
f = 1 KHz
1
10
Po (W)
AC00251
100
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