TDA7563B Datasheet, PDF (11/33 Pages) STMicroelectronics – 4 x 50W multifunction quad power amplifier with built-in diagnostics feature

TDA7563B
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
V_O Offset detection
I_NL Normal load current detection
I_OL Open load current detection
I²C Bus interface
Power amplifier in play,
AC input signals = 0
V_O < (V_S-5)pk
S_CL Clock frequency
V_IL Input low voltage
V_IH Input high voltage
Electrical specifications
Min. Typ. Max. Unit
±1.5 ±2 ±2.5
V
500
mA
250 mA
400 KHz
1.5
V
2.3
V
3.4
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
THD (%)
10
90
80
RL = 2 Ohm
70
f = 1 KHz
60
50
Po-max
THD = 10 %
STANDARD MODE
Vs = 14.4 V
RL = 4 Ohm
1
f = 10 KHz
40
0.1
30
f = 1 KHz
THD = 1 %
20
10
8
9
10 11 12 13 14 15 16
Vs (V)
0.01
0.1
1
10
Po (W)
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