TDA7417TR STMicroelectronics, TDA7417TR Datasheet
TDA7417TR
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TDA7417TR Summary of contents
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... DC gain programmable – -15 to 15dB with 1dB resolution – soft-step control with programmable blend times Table 1. Device summary Order codes TDA7417 TDA7417TR June 2007 Car radio audio processor TQFP32 ■ Treble – 2nd order frequency response – center frequency programmable in 4 steps (10KHz/12.5KHz/15KHz/17.5KHz) – ...
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Contents Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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TDA7417 Bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of tables List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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TDA7417 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Block diagram 1 Block diagram Figure 1. Block diagram MonoDif Mono Diff DifinG SE1L SE1R SE2L SE2R DifinL DifinG DifinR Supply 6/34 Balance Amp IN/OUT SW Digital Control I2C-Bus TDA7417 Mixing Volume Mono Fader Mix OutLF Mono Fader OutRF Mix ...
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TDA7417 2 Pins description Figure 2. Pins connection (Top view) 2.1 Pins description Table 2. Pins description NO. Pin Name 1 OUTINL- Left- full-differential stereo input or bass differential output 2 OUTINL+ Left+ full-differential stereo input or bass differential output ...
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Pins description Table 2. Pins description (continued) NO. Pin Name 14 QDL Pseudo differential stereo input left 15 QDGND Pseudo differential stereo input common 16 QDR Pseudo differential stereo input right 17 SE2R Single-ended input 2 right channel 18 SE1R ...
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TDA7417 3 Electrical specifications 3.1 Thermal data Table 3. Thermal data Symbol R Thj-case 3.2 Absolute maximum ratings Table 4. Absolute maximum ratings Symbol V Operating supply voltage S T Operating ambient temperature amb T Storage temperature range stg V ...
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Electrical specifications Table 5. Electrical characteristics (continued 8.5V amb Symbol Parameter DIFFERENTIAL STEREO INPUTS R Input resistance in CMRR Common mode rejection ratio DIFFERENTIAL MONO INPUTS R Input resistance in CMRR Common ...
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TDA7417 Table 5. Electrical characteristics (continued 8.5V amb Symbol Parameter BASS CONTROL Fc Center frequency (1) Q Quality factor BASS C Control range RANGE A Step resolution STEP DC Bass-DC-gain GAIN TREBLE ...
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Electrical specifications Table 5. Electrical characteristics (continued 8.5V amb Symbol Parameter V DC voltage level DC AC COUPLING R AC coupling input resistance ACIN R AC coupling output resistance ACOUT IN/OUT CONTROL ...
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TDA7417 4 Description of the audioprocessor 4.1 Input stages In the basic configuration, one stereo quasi-differential, one selectable full-differential and two single ended stereo inputs are available. As Quasi-differential stereo Input (QD) The QD input is implemented as a buffered ...
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Description of the audioprocessor AutoZero-Remain In some cases, for example if the µP is executing a refresh cycle of the IIC-Bus- programming not useful to start a new AutoZero-action because no new source is selected and an undesired ...
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TDA7417 4.3.3 Low & high frequency boost Figure 6 shows the different Loudness shapes in low & high frequency boost. Figure 6. Loudness Attenuation, f 4.3.4 Flat Mode In flat mode the loudness stage works as a 0dB to -15dB ...
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Description of the audioprocessor 4.5 Multistep and Softstep Volume When the volume-level is changed audible clicks could appear at the output. The root cause of those clicks could either be a DC-Offset before the volume-stage or the sudden change of ...
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TDA7417 4.6 Bass There are four parameters programmable in the bass stage: 4.6.1 Attenuation Figure 9 shows the attenuation as a function of frequency at a center frequency of 80Hz. Figure 9. Bass Control @ f 4.6.2 Center Frequency Figure ...
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Description of the audioprocessor 4.6.3 Quality Factors Figure 11 shows the four possible quality factors 1, 1.25, 1.5 and 2. Figure 11. Bass Quality factors @ Gain = 14dB, f 4.6.4 DC Mode It is used for cut only for ...
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TDA7417 4.7 Treble There are two parameters programmable in the treble stage: 4.7.1 Attenuation Figure 13 shows the attenuation as a function of frequency at a center frequency of 17.5kHz. Figure 13. Treble Control @ f 4.7.2 Center Frequency Figure ...
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Description of the audioprocessor 4.8 Highpass filter The highpass filter has 2 order filter characteristics with programmable cut-off frequency (80/120/160Hz) Figure 15. Highpass Control 4.9 Output Selector and Mixing The output-selector allows different sources to connect to the front output. ...
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TDA7417 4.10 IN/OUT control IN/OUT control offers selectable full-differential stereo input or Bass output as figure15 shown. When used as full-differential input, bass buffer output is disabled, full-differential input switch sw1(sw4) closes and sw2(sw3) closes. When used as bass output, ...
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Description of the audioprocessor 4.12 Test circuit Figure 18. Test circuit 4.7μF OUTINL- OUTINL+ 4.7μF 470nF 470nF 470nF ACOUTL 100nF 100nF 22/34 47μF 47μF 47μF 100nF OUTSWL OUTSL OUTLF MonoDif DiffG LFIN ...
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TDA7417 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 of data (N-bytes + ...
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Serial data assign 6 Serial data assign 6.1 Sub-address Table 7. Sub-address MSB ...
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TDA7417 6.1.1 Main Source Selector (0) Table 8. Main source selector (0) MSB ...
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Serial data assign 6.1.2 Loudness (1) Table 9. Loudness (1) MSB 26/34 LSB Attenuation 0dB 0 ...
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TDA7417 6.1.3 Volume/Mix volume/Fader LF/RF/LR/RR/SWL/SWR (2,8-14) Table 10. Volume/Mix volume/Fader LF/RF/LR/RR/SWL/SWR (2,8-14) MSB ...
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Serial data assign 6.1.5 Treble(4) Table 12. Treble(4) MSB 6.1.6 Bass(5) Table 13. Bass(5) MSB D7 ...
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TDA7417 6.1.7 Highpass/Bass Frequency Control(6) Table 14. Highpass/Bass Frequency Control(6) MSB 6.1.8 Smoother /In/Out Control(7) Table 15. Smoother /In/Out Control(7) MSB ...
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Serial data assign 6.1.9 Fader Multistep Control(15) Table 16. Fader Multistep Control(15) MSB 30/34 LSB Fader LF Multistep off Fader RF ...
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TDA7417 6.1.10 Testing (16) Table 17. Testing (16) MSB LSB Audio Processor ...
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Package information 7 Package information In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the ...
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TDA7417 8 Revision history Table 18. Document revision history Date 28-Feb-2007 26-Jun-2007 Revision 1 Initial release. 2 Corrected typo errors. Revision history Changes 33/34 ...
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