TDA7575BPDTR STMicroelectronics, TDA7575BPDTR Datasheet

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... Standby/mute pins ■ ESD protection Table 1. Device summary Order code TDA7575B TDA7575BPD TDA7575BPDTR December 2009 with integrated digital diagnostics PowerSO36 (slug up) Description The TDA7575B is a new MOSFET dual bridge amplifier specially intended for car radio applications. Thanks to the DMOS output stage the TDA7575B has a very low distortion allowing a clear powerful sound ...

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Contents Contents 1 Block and pins diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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TDA7575B List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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List of figures List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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TDA7575B 1 Block and pins diagrams Figure 1. Block diagram IN1+ IN1- IN2+ IN2- Figure 2. Pins connection diagram (top view) OUT1+ 36 OUT1+ 35 VCC 34 VCC PWGND 31 PWGND 30 OUT1- 29 OUT1- 28 OUT2- ...

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Electrical specifications 2 Electrical specifications 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V Operating supply voltage supply voltage S V Peak supply voltage (for ms) peak V CK pin voltage CK ...

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TDA7575B Table 4. Electrical characteristics (continued) Symbol Parameter P Output power o THD Total harmonic distortion C Cross talk T R Input impedance IN G Voltage gain 1 (default) V1 ΔG Voltage gain match Voltage gain 2 ...

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Electrical specifications Table 4. Electrical characteristics (continued) Symbol Parameter T Turn on delay ON T Turn off delay OFF V Standby pin for standby OFF V Standby pin for standard bridge - SB V Standby pin for high-efficiency HE Standby ...

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TDA7575B Table 4. Electrical characteristics (continued) Symbol Parameter Turn-on diagnostics (Power amplifier mode) Short to GND det. (below this Pgnd limit, the output is considered in short circuit to GND) Short to Vs det. (above this Pvs limit, the output ...

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Electrical specifications Table 4. Electrical characteristics (continued) Symbol Parameter V Offset detection O I Normal load current detection NLH I Normal load current detection NLL I Open load current detection OLH I Open load current detection OLL ...

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TDA7575B 3 Electrical characteristics curves Figure 3. Quiescent drain current vs. supply voltage Id (mA) Id (mA) 160 160 150 150 Vi=0 Vi=0 140 140 NO LOADS NO LOADS 130 130 120 120 110 110 100 100 ...

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Electrical characteristics curves Figure 9. Distortion vs. output power THD (%) THD (%) 10 10 STD mode STD mode Vs=14.4V Vs=14.4V RL=4 Ohm RL=4 Ohm 1 1 f=10 KHz f=10 KHz 0.1 0.1 f=1 KHz f=1 KHz 0.01 0.01 0.001 ...

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TDA7575B Figure 15. Cross talk vs. frequency (LD mode) CROSSTALK (dB) CROSSTALK (dB) -20 -20 -30 -30 LD mode LD mode Vo=1 Vrms Vo=1 Vrms -40 -40 RL=100 Ohm RL=100 Ohm -50 -50 -60 -60 -70 -70 -80 -80 -90 ...

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Electrical characteristics curves Figure 21. Power dissipation vs. average output power (Audio program simulation, 4Ω) Ptot (W) 30 Vs= RL=2 x 4Ω GAUSSIAN NOISE 20 15 STD 10 5 HI-EFF (W) Figure 23. ...

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TDA7575B 4 Application circuits Figure 24. Application circuit (TDA7575B) C1 0.22μF IN1+ IN1- C2 0.22μF C3 0.22μF IN2+ IN2- C4 0.22μF D05AU1615 Figure 25. Application circuit (TDA7575BPD) C1 0.22μF IN1+ IN1- C2 0.22μF C3 0.22μF IN2+ IN2- C4 0.22μF D05AU1616 ...

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I2C bus interface bus interface Data transmission from microprocessor to the TDA7575B and vice versa takes place through the 2 wires I resistors to positive supply voltage must be connected). 5.1 Data validity As shown by ...

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TDA7575B Figure 27. Timing diagram on the I SCL SDA Figure 28. Timing acknowledge clock pulse SCL SDA 1 Ω capability setting 5 possible to drive 1Ω load paralleling the outputs into a single channel. In order to ...

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I2C bus interface 2 5 abilitation setting It is possible to disable the I TDA7575B by means of the usual standby and mute pins. In order to activate or deactivate 2 this feature pin must be ...

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TDA7575B 6 Software specifications All the functions of the TDA7575B are activated by I The bit 0 of the "Address Byte" defines if the next bytes are write instruction (from μP to TDA7575B) or read instruction (from TDA7575B to µP). ...

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Software specifications Table 7. IB2 Bit Standby on - Amplifier not working - ( Standby off - Amplifier working - ( Power amplifier mode diagnostic (D3 = 0); D3 ...

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TDA7575B Table 9. DB2 Bit Offset detection not activated ( Offset detection activated ( Current sensor not activated ( Current sensor activated ( Channel LR Current detection IB2 (D0) = ...

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Software specifications 6.1 Examples of bytes sequence 1 - Turn-on diagnostic - Write operation Start Address byte with Turn-on diagnostic - Read operation Start Address byte with The delay from 1 ...

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TDA7575B 7 Diagnostics functional description 7.1 Turn-on diagnostic It is activated at the turn-on (stand-by out) under I – Short to GND – Short TO Vs – Short across the speaker – Open speaker To verify if any of the ...

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Diagnostics functional description Figure 31. SVR and output pin behavior - case 2: with turn-on diagnostic Vsvr Out Diagnostic Enable (Turn-on) I2CB DATA The information related to the outputs status is read and memorized at the end of the current ...

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TDA7575B 7.2 Permanent diagnostics Detectable conventional faults are: – Short to GND – Short to Vs – Short across the speaker The following additional features are provided: – Output offset detection The TDA7575B has 2 operating statuses: 1. RESTART mode. ...

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Diagnostics functional description 7.3 Output DC offset detection Any DC output offset exceeding ± are signalled out. This inconvenient might occur as a consequence of initially defective or aged and worn-out input capacitors feeding a DC component to ...

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TDA7575B Figure 37 shows the load impedance as a function of the peak output voltage and the relevant diagnostic fields. This feature is disabled if any overloads leading to activation of the short-circuit protection occurs in the process. Figure 37. ...

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Diagnostics functional description Table 10. Double fault table for turn-on diagnostic S. GND (sc) S. GND (sk Across L. Open L. S. GND (so GND (sk) in the above table make a distinction according to ...

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TDA7575B 8 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

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Package information Figure 40. Flexiwatt27 (vertical) mechanical data and package dimensions DIM. MIN. A 4. 0.75 E 0.37 F (1) G 0.80 G1 25.75 H (2) 28. (2) 22.07 L1 18.57 L2 ...

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TDA7575B 9 Revision history Table 11. Document revision history Date 30-Oct-2007 17-Dec-2009 Revision 1 Initial release. Updated Figure 39: PowerSO36 (slug up) mechanical data and 2 package dimensions on page Doc ID 14103 Rev 2 Revision history Changes 29. 31/32 ...

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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...