E-TDA7416 STMicroelectronics, E-TDA7416 Datasheet
E-TDA7416
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E-TDA7416 Summary of contents
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... N.C. AUXR PDL+ PD- N.C. PDR+ MIX N.C. GND N.C. September 2003 CARRADIO SIGNAL PROCESSOR DESCRIPTION The device includes a high performance audiopro- cessor with 7 bands equalizer and spectrum ana- lyzer. The digital control allows a programming in a wide range of all the filter characteristics ...
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... ABSOLUTE MAXIMUM RATINGS Symbol V Operating Supply Voltage S T Operating Temperature Range amb T Storage Temperature Range stg ESD: All pins are protected against ESD according to the MIL883 standard. 2/27 Test Conditions Audioprocessor (all Filters flat) Description Parameter Min. Typ. Max. Unit 7 ...
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BLOCK DIAGRAM TDA7416 3/27 ...
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... High pass – 2nd order butterworth highpass with programmable cut-off frequency – selectable flat-mode Speaker – 4 independent soft step speaker controls, +15 to -79dB with 1dB steps – mute – 4 independent programmable mix inputs with 50% mixing ratio Subwoofer – single-ended monaural output – ...
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... V DC Steps DC V Remaining offset with Autozero offset DIFFERENTIAL STEREO INPUTS R Input Resistance (see Fig CMRR Common Mode Rejection Ratio e Output-Noise @ Speaker-Outputs 20Hz - 20kHz, flat; all stages 0dB NO MIXING CONTROL M Mixing Ratio LEVEL G Max. Gain MAX A Max. Attenuation MAX A Attenuation Step ...
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... Center Frequency Band Center Frequency Band Center Frequency Band Center Frequency Band Center Frequency Band Center Frequency Band Quality Factor f Clock Frequency SAClk t Analog Output Delay Time SAdel 1) The SM-Pin is active low (Mute = 0) 6/27 Test Condition C1a f C1b C6a f C6b f C7a ...
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... Table 1. ELECTRICAL CHARACTERISTICS (continued) (V =9V; T =25°C; R =10k ; all gains=0dB; f=1kHz; unless otherwise specified) S amb L Symbol Parameter t Spectrum Analyzer Repeat Time repeat t Internal Reset Time intres HPF2 V Zero Crossing Threshold TH E Max. Effect MAX E Min. Effect MIN E Step Resolution STEP SPEAKER ATTENUATORS ...
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... Output Noise NO S/N Signal to Noise Ratio d distortion S Channel Separation left/right C 1 DESCRIPTION OF THE AUDIOPROCESSOR PART 1.1 Input stages In the basic configuration one pseudo-differential, three single ended stereo are available. Figure 1. Input-stages Vref IN1- Stereo Pseudo differential IN1+ IN2 IN3 IN4 8/27 ...
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... AutoZero-action because no new source is selected and an undesired mute would appear at the out-puts. For such applications the TDA7416 could be switched in the AutoZero-Remain- Mode (Bit 6(I1) of the subad-dress-byte). If this bit is set to high, the DATABYTE 0 could be loaded without invoking the AutoZero and the old adjustment-value remains. ...
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... Different shapes of 1st and 2nd-Order Loudness Figure 4. 1st and 2nd Order Loudness @ Attn. = 15dB, fP=400Hz 0.0 -5.0 dB -10.0 -15.0 -20.0 10.0 1.3.4 Flat Mode In flat mode the loudness stage works as a 0dB to -19dB attenuator. 10/27 100.0 1.0K Hz 100.0 1.0K Hz 10.0K 10.0K ...
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... Figure 6. SoftStep-Timing for Volume 1dB 0.5dB -0.5dB -1dB Note: For steps more than 0.5dB (Volume) or 1dB (Speaker) the SoftStep mode should be deactivated because it could generate a hard 1dB step during blending. 2 C-bus output register is set to 1 from the start of muting until the end SS Time ...
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... TDA7416 1.6 Equalizer filter There are three parameters programmable in the equalizer filter: 1.6.1 Attenuation Figure 7 shows the boost and cut response as a function of frequency at a center frequency of 1kHz. Figure 7. Equalizer filter control @ -10 -15 20 1.6.2 Center Frequency This parameter is programmable in the filter stage 1(62/100Hz), 6(4/6.34kHz) and 7(15/16kHz) only. ...
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... Figure 9 shows the four possible quality factors 1, 1.4, 1.8 and 2.2 Figure 9. Quality factors @ boost = 15dB 1.6.4 Superposition of all EQ Filters Figure 10 shows the superposition of all equalizer filter curves for different quality factors. The gain for all filters is +15dB. Figure 10. Superposition of all EQ bands @ boost = 15dB ...
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... Figure 12. Subwoofer Application with Lowpass @ 80/120/160Hz and HighPass @ 90/135/180Hz 0.0 -10.0 -20.0 dB -30.0 -40.0 -50.0 10.0 Both filters, the lowpass- as well as the highpass-filter, have butterworth characteristic so that their cut-off frequen-cies are not equal but shifted by the factor 1.125 to get a flat frequency response. 14/27 10 100 100 Center 1K 1 ...
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... The spectrum analyzer consists of seven band pass filters with rectifier and sample capacitor which stores the maximum peak signal level since the last read cycle. This peak signal level can be read by a micro- processor at the SAout-pin. To allow easy interfacing to an analog port of the microprocessor, the output voltage at this pin is re-ferred to device ground ...
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... I short condition the input-signal of the speaker-attenuator is available at the AC-outputs. The input-imped- ance of this AC-inputs is 50k . In addition there are Mix inputs available. With this inputs it is possible to mix an external signal to every speaker with a mixing ratio of 50% (see figure 14). ...
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... R/W = “0” -> Receive-Mode (Chip could be programmed by µP) “1” -> Transmission-Mode (Data could be received by µP) ACK = Acknowledge P = Stop MAX CLOCK SPEED 500kbits/s 2.1.1 Auto increment If bit I in the subaddress byte is set to “1”, the auto increment of the subaddress is enabled. 2.1.2 TRANSMITTED DATA (send mode) MSB ...
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... Volume Filter 1 (62/100Hz Filter 2 (157Hz Filter 3 (396Hz Filter 4 (1kHz Filter 5 (2.51kHz Filter 6 (4/6.34kHz Filter 7 (15/16kHz Mixing Programming SoftMute Subwoofer / Spectrum analyzer / HighPass Configuration Audioprocessor Mixing Level Control Speaker attenuator Speaker attenuator Speaker attenuator Speaker attenuator Subwoofer attenuator Testing Audioprocessor FUNCTION ...
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... DATA BYTE SPECIFICATION The status after Power-On-Reset is marked bold-face / underlined in the programming tables. 2.3.1 Input Selector (0) MSB 2.3.2 Loudness (1) MSB LSB Source Selector BUS/ AUX AM/FM Input Gain 0 0dB 1 1dB : : 0 14dB 1 15dB Mute off on LSB Attenuation - - - not allowed Center Frequency ...
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... Volume (2) MSB Note not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by software to the maximum value, which is needed for the system. 2.3.4 Equalizer (3,4,5,6,7,8,9) MSB 20/27 LSB Gain/Attenuation (+32.0dB (+31.5dB +20.0dB +19.5dB ...
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... Note recommended to set D3(Filter available or not) during initial mute. LSB Mixing 0 Mute 1 enable Rear Source Selector 0 0 BUS’(PD AUX AM/FM Mixing Target Speaker LF off Speaker LF on Speaker RF off Speaker RF on ZeroCross on HPF2 on off Spectrum Analyzer Detect Point After EQ Before EQ LSB ...
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... TDA7416 2.3.7 Subwoofer Configuration / Spectrum Analyzer / HighPass (12) MSB 2.3.8 Configuration Audioprocessor I (13) MSB 22/27 LSB Subwoofer Filter 0 0 off 0 1 80Hz 1 0 120Hz 1 1 160Hz Subwoofer Coupling 0 AC using Spectrum Analyzer Q-Factor 3.5 1.8 High Pass Enable Filter off Filter on High Pass Cut-Off-Frequency ...
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... Mixer Level Control (14) MSB 2.3.10Speaker and Subwoofer Level Control (15,16,17,18,19) MSB LSB Gain/Attenuation +15dB : : : : 1dB 0dB 0dB 1dB : : : : -15dB -16dB : : : : -78dB -79dB Mute LSB Gain/Attenuation +15dB : : : : 1dB 0dB 0dB 1dB : : : : -16dB : : : : -32dB : : : : -48dB : : : : -64dB : : : -79dB Mute SoftStep On/Off On Off TDA7416 ...
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... Note: This byte is used for testing or evaluation purposes only and must not set to other values than “11111110” in the application! 24/27 LSB Audioprocessor Testmode 0 off 1 on Test-Multiplexer 0 0 Spectrum Analyzer Filter 0 0 Spectrum Analyzer Filter 0 1 Spectrum Analyzer Filter 0 1 Spectrum Analyzer Filter ...
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... Figure 17. Application Diagram IN2L MIX IN4L A CoutSW A CoutR SACLK SMute SAOut SW Out FI LORA C2OutR AC2I nR OutRR TDA7416 33 A CoutL 32 31 VREFout 30 29 AC2I nL 28 AC2OutL 27 FI LOL 26 OutLF 25 OutLR 24 23 OutRF + 25/27 ...
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... L1 1.00 K (min.), 3.5˚(typ.), 7 (max 26/27 inch MIN. TYP. MAX. 0.063 0.006 0.055 0.057 0.014 0.018 0.008 0.472 0.394 0.315 0.031 0.472 0.394 0.315 0.024 0.030 0.039 TQFP4410 OUTLINE AND MECHANICAL DATA TQFP44 ( 0.10mm .004 Seating Plane C K ...
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