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TDA7566 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. TDA7566
Description  4x40W multifunction quad power amplifier with built-in diagnostics features
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7566 Datasheet(HTML) 4 Page - STMicroelectronics

 
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TDA7566
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List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
Application and test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3.
Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4.
Quiescent current vs. Supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 5.
Output power vs. supply voltage (4
Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 6.
Output power vs. supply voltage (2
Ω). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 7.
Distortion vs. output power (4
Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8.
Distortion vs. output power (2
Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 9.
Distortion vs. frequency (4
Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 10.
Distortion vs. frequency (2
Ω) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 11.
Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 12.
Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 13.
Power Dissipation & Efficiency vs. Output Power (4W, SINE) . . . . . . . . . . . . . . . . . . . . . . 11
Figure 14.
Power Dissipation vs. Average Ouput Power (Audio Program Simulation, 4W). . . . . . . . . 11
Figure 15.
Power Dissipation vs. Average Ouput Power (Audio Program Simulation, 2W). . . . . . . . . 11
Figure 16.
Turn - On diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 17.
SVR and Output behaviour (CASE 1: without turn-on diagnostic) . . . . . . . . . . . . . . . . . . . 13
Figure 18.
SVR and Output pin behaviour (CASE 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . 13
Figure 19.
Thresholds for SHORT TO GND/VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 20.
Thresholds for SHORT ACROSS THE SPEAKER/OPEN SPEAKER . . . . . . . . . . . . . . . . 14
Figure 21.
Thresholds for Line-Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 22.
Restart timing without Diagnostic Enable (Permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 23.
Restart timing with Diagnostic Enable (Permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 24.
Current detection: Load impedance magnitude |Z| Vs. output peak voltage of the sinus . . 16
Figure 25.
Data Validity on the I2C BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 26.
Timing diagram on the I2C Bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 27.
Timing acknowledge clock pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 28.
Flexiwatt25 Mechanical Data & Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26


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