TDA7265B Просмотр технического описания (PDF) - STMicroelectronics
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TDA7265B Datasheet PDF : 18 Pages
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TDA7265B
Typical operating characteristics
Figure 7. Quiescent current vs. pin 5 voltage Figure 8. Attenuation vs. pin 5 voltage
Iq (mA)
100
90
80
70
Vs=+/-20V
60
Rl=8Ohm
50
0V = +Vs
40
Vi = 0
30
20
10
0
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0
Vpin # 5 (V)
Attenuation (dB)
+10
+0
-10
-20
Vs= +/-20V
-30
Rl= 8 Ohm
-40
f =1KHz
-50
OdB = 1V
-60
0V = +Vs
-70
-80
-90
-100
-10 -9
-8
-7
-6
-5
-4
-3
-2
-1 -0
Vpin #5 (V)
Figure 9. Crosstalk vs. frequency
Crosstalk (dB)
-30
-35
Vs=+/- 26V
-40
Rl = 8 Ohm
-45
Rs= 50 Ohm
-50
-55
-60
Right to
Left
-65
-70
-75
Left to Right
-80
20
50
100 200
500
1k
2k
Frequency (Hz)
5k
10k 20k
Figure 10. Power dissipation vs. output power
Pdiss (W)
40
35
Rl =8 Ohm
f = 1KHz
A
30
Vs= +/- 24V (A)
Vs= +/-20V (B)
25
20
B
15
10
5
0
0.1
1
10
100
2xPout (W)
Doc ID 022601 Rev 1
9/18
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