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TDA7575B Datasheet(PDF) 4 Page - STMicroelectronics

Part No. TDA7575B
Description  2 x 75W multifunction dual-bridge power amplifier with integrated digital diagnostics
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7575B Datasheet(HTML) 4 Page - STMicroelectronics

 
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TDA7575B
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List of figures
Figure 1.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2.
Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3.
Quiescent drain current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4.
Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5.
Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 6.
Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 7.
Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 8.
Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 9.
Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 10.
Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 11.
Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 12.
Distortion vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 13.
Distortion vs. output voltage (LD mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 14.
Cross talk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 15.
Cross talk vs. frequency (LD mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 16.
CMRRR vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 17.
Output attenuation vs. supply voltage (vs. dependent muting) . . . . . . . . . . . . . . . . . . . . . . 13
Figure 18.
Output attenuation vs. mute pin voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 19.
Power dissipation vs. output power
(4
Ω - SINE) 13
Figure 20.
Power dissipation vs. output power (2
Ω - SINE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 21.
Power dissipation vs. average output power (Audio program simulation, 4
Ω) . . . . . . . . . . 14
Figure 22.
Power dissipation vs. average output power (Audio program simulation, 2
Ω) . . . . . . . . . . 14
Figure 23.
ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 14
Figure 24.
Application circuit (TDA7575B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 25.
Application circuit (TDA7575BPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 26.
Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 27.
Timing diagram on the I2C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 28.
Timing acknowledge clock pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 29.
Turn - on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 30.
SVR and output behavior - case 1: without turn-on diagnostic . . . . . . . . . . . . . . . . . . . . . . 23
Figure 31.
SVR and output pin behavior - case 2: with turn-on diagnostic . . . . . . . . . . . . . . . . . . . . . 24
Figure 32.
Short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 33.
Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 34.
Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 35.
Restart timing without diagnostic enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 36.
Restart timing with diagnostic enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 37.
Current detection high: Load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 27
Figure 38.
Current detection low: Load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 27
Figure 39.
PowerSO36 (slug up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 29
Figure 40.
Flexiwatt 27 mechanical data and package dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . 30


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