TDA7303TR STMicroelectronics, TDA7303TR Datasheet
TDA7303TR
Specifications of TDA7303TR
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TDA7303TR Summary of contents
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... The TDA7303 is a volume, tone (bass and treble) balance (left/right) and fader (front/rear) processor for quality audio applications in car radio, Hi-Fi and portable systems. Table 1. Device summary Order code TDA7303 TDA7303TR March 2009 Selectable input gain and external loudness function are provided. Control is accomplished bus 2 serial I C bus microprocessor interface ...
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Contents Contents 1 Block, test and pin diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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TDA7303 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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TDA7303 1 Block, test and pin diagrams 1.1 Block diagram Figure 1. Block diagram Block, test and pin diagrams 5/20 ...
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Block, test and pin diagrams 1.2 Test circuit Figure 2. Test circuit 1.3 Pin connection Figure 3. Pin connection (top view) 6/20 TDA7303 ...
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TDA7303 2 Electrical specifications 2.1 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V Operating supply voltage S T Ambient temperature amb T Storage temperature range stg 2.2 Quick reference data Table 3. Quick reference data Symbol V Supply ...
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Electrical specifications 2.4 Electrical characteristics Table 5. Electrical characteristics ( °C, V amb S otherwise specified) Symbol Parameter Supply V Supply voltage S I Supply current S SVR Ripple rejection Input selectors R Input resistance II V Clipping ...
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TDA7303 Table 5. Electrical characteristics (continued °C, V amb S otherwise specified) Symbol Parameter R Internal feedback resistance B (1) Treble control Gt Control range T Step Resolution STEP Audio outputs V Clipping level OCL R Output ...
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Electrical specifications 2.5 Electrical characteristics curves Figure 4. Loudness vs. volume attenuation Figure 6. Loudness vs. external capacitors Figure 8. Signal to noise ratio vs. volume setting 10/20 Figure 5. Loudness vs. frequency (C 100 nF) vs. volume attenuation Figure ...
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TDA7303 Figure 10. Distortion and noise vs. frequency (V = 250 mV) IN Figure 12. Channel separation (L → R) vs. frequency Figure 14. Supply voltage rejection vs. frequency Electrical specifications Figure 11. Distortion vs. load resistance Figure 13. Input ...
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Electrical specifications Figure 16. Quiescent current vs. supply voltage Figure 18. Bass resistance vs. temperature 12/20 Figure 17. Supply current vs. temperature Figure 19. Typical tone response (with the external components indicated in the test circuit) TDA7303 ...
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TDA7303 bus interface Data transmission from microprocessor to the TDA7303 and viceversa takes place through 2 the 2 wires I C bus interface, consisting of the two lines SDA and SCL (pull-up resistors to positive supply ...
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I C bus interface Figure 20. Data validity on the I SDA SCL Figure 21. Timing diagram of S-bus and I SCL SDA Figure 22. Acknowledge on the I SCL SDA Patent note: 14/ bus DATA LINE ...
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TDA7303 4 Software specification 4.1 Interface protocol The interface protocol comprises: ● A start condition (s) ● A chip address byte, containing the TDA7303 address (the 8th bit of the byte must be 0). The TDA7303 must always acknowledge at ...
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Software specification 4.3 Data bytes (detailed description) Table 8. Volume MSB 0 0 For example a volume of - given by Table 9. Speaker attenuators MSB ...
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TDA7303 Table 10. Audio switch MSB 0 1 For example to select the stereo 2 input with a gain of +7.5dB LOUDNESS ON the 8bit string is Table 11. Bass and treble ...
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Package information 5 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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TDA7303 6 Revision history Table 12. Document revision history Date 04-Aug-2006 13-Mar-2009 18-Mar-2009 Revision 1 Initial release. Updated “distortion” parameter in the characteristics on the page 9. 2 Modified the max. clock speed value in protocol on page 15. Updated ...
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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. ...