TDA7719TR STMicroelectronics, TDA7719TR Datasheet

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... By the use of BCMOS- process and liner signal processing low distortion and low noise are obtained. Table 1. Device summary Order code TDA7719 TDA7719TR Doc ID 13698 Rev 4 TDA7719 TSSOP28 Package Packing TSSOP28 Tube TSSOP28 ...

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Contents Contents 1 Block circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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TDA7719 4.8.1 4.8.2 4.9 Subwoofer Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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

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TDA7719 List of figures Figure 1. Block circuit diagram ...

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Block circuit diagram 1 Block circuit diagram Figure 1. Block circuit diagram 6/ Doc ...

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TDA7719 2 Pin description 2.1 Pin connection Figure 2. Pin connection (top view) 2.2 Pin description Table 2. Pin description No. Pin name 1 QD1L / SE1L / MD3+ 2 QD1R / SE1R / MD3- 3 QD1G / SE2L 4 ...

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Pin description Table 2. Pin description (continued) No. Pin name 10 QD4L / FD4L+ / SE4L / MD1+ 11 QD4G / FD4L- / SE4R / MD1- 12 QD4G / FD4R- / SE5L / MD2- 13 QD4R / FD4R+ / SE5R ...

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TDA7719 3 Electrical specifications 3.1 Thermal data Table 3. Thermal data Symbol R th-j amb 3.2 Absolute maximum ratings Table 4. Absolute maximum ratings Symbol in_max T amb T stg 3.3 Electrical characteristics V = 8.5 V; ...

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Electrical specifications Table 5. Electrical characteristics (continued) Symbol Parameter Loudness control A Max attenuation MAX A Step resolution STEP f Peak frequency Peak Volume control G Max gain MAX A Max attenuation MAX A Step resolution STEP E Attenuation set ...

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TDA7719 Table 5. Electrical characteristics (continued) Symbol Parameter Middle control C Control range RANGE A Step resolution STEP f Center frequency c Q Quality factor BASS Treble control C Clipping level RANGE A Step resolution STEP f Center frequency c ...

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Electrical specifications Table 5. Electrical characteristics (continued) Symbol Parameter V DC steps DC Subwoofer lowpass f Lowpass corner frequency LP DC offset detection circuit V Zero comp window size th t Max rejected spike length sp I DCErr charge current ...

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TDA7719 4 Description 4.1 Input configuration 4.1.1 Front and rear selector The input stage (Main source and 2 application. There are 7 different configurations which provide different input structure and different number of input sources as shown below. ● 4 ...

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Description With different input configuration, the input source can be selected with input selector (Byte0/1 Bit0~Bit2). The following matrix defines the selector configuration of different input sources dependant on the configuration bits. Table 7. Selector configuration matrix Selector Bits (Byte0/1 ...

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TDA7719 Figure 3. QD and FD configuration of QD4/FD4 FULL DIFFERENTIAL FD4L+ 100k FD4L- 100k FD4R+ 100k FD4R- 100k 4.1.2 Direct path The input pins can be configured as direct path mode by setting Byte1 Bit5~Bit7. In direct path mode ...

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Description 4.2 Mixing The device provides mixing function which allows the mixing source mixed into front and rear speaker output independently. The mixing source can be any single-ended input, mono-differential input or beep input (Mono single-ended input when DC offset ...

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TDA7719 4.3 Loudness There are four parameters programmable in the loudness stage: 4.3.1 Loudness attenuation Figure 5 shows the attenuation as a function of frequency at f Figure 5. Loudness attenuation @ f 4.3.2 Peak frequency Figure 6 shows the ...

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Description 4.3.3 High frequency boost Figure 7 shows the different Loudness shapes in low and high frequency boost. Figure 7. Loudness attenuation, f 4.3.4 Flat mode In flat mode the loudness stage works as a 0dB to -15dB attenuator. 4.4 ...

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TDA7719 4.5 Softstep volume When the volume-level is changed audible clicks could appear at the output. The root cause of those clicks could either Offset before the volume-stage or the sudden change of the envelope of the ...

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Description 4.6.3 Bass quality factors Figure 11 shows the four possible quality factors 1, 1.25, 1.5 and 2. Figure 11. Bass quality factors @ gain = 14 dB, f 4.6.4 DC mode In this mode the DC gain is increased ...

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TDA7719 4.7 Middle There are three parameters programmable in the middle stage: 4.7.1 Middle attenuation Figure 13 shows the attenuation as a function of frequency at a center frequency of 1 kHz. Figure 13. Middle control @ f 4.7.2 Middle ...

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Description 4.7.3 Middle quality factors Figure 15 shows the four possible quality factors 0.5, 0.75, 1 and 1.25. Figure 15. Middle quality factors @ gain = 14 dB, f 4.8 Treble There are two parameters programmable in the treble stage: ...

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TDA7719 4.8.2 Treble center frequency Figure 17 shows the four possible center frequencies and 17.5 kHz. Figure 17. Treble center frequencies @ gain = 14 dB 4.9 Subwoofer Filter The subwoofer lowpass filter has ...

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Description 4.10 Softstep control In this device, the softstep function is available for volume, speaker, loudness, treble, middle and bass block. With softstep function, the audible noise of DC offset or the sudden change of signal can be avoided when ...

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TDA7719 4.11 DC offset detector and level meter option This device provide DC offset detector function and level meter function option. In one specific application, only one of the function can be used. The configuration of the function 2 is ...

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Description Figure 19. DC offset detection circuit (simplified) 4.13 Level meter In case of not using DC offset detector, the three pins used for DCO can be configured as other function. Pin27 (DC_Err / LMOUT) becomes the level meter output. ...

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TDA7719 4.16 Test circuit ( offset detector) Figure 20. Test circuit Doc ID 13698 Rev 4 Description 27/46 ...

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I C bus specification bus specification 5.1 Interface protocol The interface protocol comprises: ● a start condition (S) ● a chip address byte (the LSB determines read/write transmission) ● a subaddress byte ● a sequence ...

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TDA7719 2 Figure 22 timing diagram 5.1.1 Receive mode R Start R/W = "0" -> Receive Mode (Chip can be programmed by µP) "1" -> Transmission Mode (Data ...

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I C bus specification Table 10. Subaddress (receive mode) MSB ...

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TDA7719 5.2 Data byte specification The default power on status of the registers is written with underline. Table 11. Input configuration / main selector (0) MSB ...

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I C bus specification nd Table 12. 2 Source selector / direct path (1) MSB Note: For detailed input source and input stage configuration, please refer to ...

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TDA7719 Table 13. Mixing source / mixing gain (2) MSB ...

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I C bus specification Table 14. Mix control / level meter / dc offset detector configure (3) MSB 34/46 LSB ...

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TDA7719 Table 15. Soft mute / others (4) MSB LSB Doc ID ...

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I C bus specification Table 16. SoftStep I (5) MSB 36/46 LSB Doc ID 13698 ...

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TDA7719 Table 17. SoftStep detector (6) MSB LSB ...

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I C bus specification Table 18. Loudness (7) MSB Table 19. Volume / output gain (8) MSB ...

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TDA7719 Table 20. Treble filter (9) MSB Table 21. Middle filter (10) MSB ...

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I C bus specification Table 22. Bass filter (11) MSB Table 23. Subwoofer / middle ...

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TDA7719 Table 24. Speaker attenuation (LF/RF/LR/RR) (13-16) MSB ...

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I C bus specification Table 26. Testing audio processor 1 (19) MSB The ...

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TDA7719 Table 27. Testing audio processor 2 (20) MSB The control bit needs sub-address test mode on 2. The control bit does not depend ...

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Package information 6 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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TDA7719 7 Revision history Table 28. Document revision history Date 16-Jul-2007 07-Jan-2007 30-Jul-2008 23-Apr-2009 Revision 1 Initial release. Added and updated the values on the characteristics. 2 Document status promoted from preliminary data to datasheet. 3 Updated Table 5: Electrical ...

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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. ...