E-TDA7406 STMicroelectronics, E-TDA7406 Datasheet
E-TDA7406
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E-TDA7406 Summary of contents
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... Pause detector decoder Stereo decoder ■ RDS mute ■ No external adjustments ■ AM/FM noiseblanker with several trigger controls Order codes Part number E-TDA7406 September 2006 Car radio signal processor TQFP44 ■ Programmable multipath detector ■ Quality detector output Digital control 2 ■ ...
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... Contents Contents 1 Block and pin connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1 Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 ESD Audioprocessor part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.1 Features 3.2 Audioprocessor electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Description of the audioprocessor part . . . . . . . . . . . . . . . . . . . . . . . . 16 4.1 Input stages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.1.1 4.1.2 4.1.3 4.1.4 4 ...
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... Multipath detector electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . 34 8 Functional Description of Stereodecoder . . . . . . . . . . . . . . . . . . . . . . . 35 8.1 Stereodecoder-Mute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 8.2 InGain + InFilter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8.3 Demodulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 8.4 De-emphasis and Highcut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.5 PLL and Pilot tone-Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.6 Fieldstrength Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.7 LEVEL-Input and -Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.8 Stereoblend Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 8.9 Highcut Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 9 Functional description of the noiseblanker . . . . . . . . . . . . . . . . . . . . . 40 9.1 Trigger Path FM ...
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... Functional description of the multipath-detector . . . . . . . . . . . . . . . . 42 11 Quality detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 12 Testmode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 13 I2C bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 13.1 Interface Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 13.1.1 13.1.2 13.1.3 13.2 Subaddress (receive mode 13.3 Data byte specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 14 Application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 15 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 4/64 Over Deviation Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Multipath-Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 AM mode of the Noiseblanker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Auto increment ...
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... Table 2. Thermal data Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Table 4. Audioprocessor electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Table 5. Stereodecoder electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Table 6. Noise blanker electrical characteristics Table 7. Multipath detector electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Table 8. Subaddress (receive mode Table 9. Input Selector ( Table 10. Loudness ( Table 11. Volume ( Table 12. Equalizer (3,4,5,6,7,8, Table 13. ...
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... Figure 18. Output Selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 19. Block diagram Dual MPX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 20. Trigger Threshold vs. VPEAK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 21. Deviation Controlled Trigger Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 22. Fieldstrength Controlled Trigger Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Figure 23. Block diagram of the stereodecoder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Figure 24. Signals during stereodecoder's SoftMute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Figure 25. Signal-Control via SoftMute-Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Figure 26. Internal stereoblend characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 27. ...
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... TDA7406 1 Block and pin connection diagram Figure 1. Block diagram MIXINLF MIXINLR MIXINRF MIXINRR ACINR ACINL SWIN ACOUTR ACOUTL SWACOUT Block and pin connection diagram 7/64 ...
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... Block and pin connection diagram Figure 2. Pin connection (Top view) 8/64 TDA7406 ...
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... Absolute maximum ratings Symbol V Operating Supply Voltage S T Operating Temperature Range amb T Storage Temperature Range stg 2.4 ESD: All pins are protected against ESD according to the MIL883 standard. Test Conditions Audioprocessor (all Filters flat) Stereodecoder + Audioprocessor Description Parameter Electrical specifications Min. Typ. Max. ...
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... Butterworth high pass with programmable cut-off frequency – Selectable flat-mode ● Speakers – 4 independent speaker controls with separate mute. – Control range 95dB (+15...-79dB) in 1dB steps with soft step. – 4 independent programmable mix inputs with 50% mixing ratio ● Subwoofer 10/64 nd order frequency response switch-capacitors filters. ...
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... TDA7406 – Single-ended monaural output – control range 95dB (+15...-79dB) in 1dB steps with soft step. – separate mute ● Mute functions – direct mute – digitally controlled Soft mute with 4 programmable mute-time 3.2 Audioprocessor electrical characteristics Table 4. Audioprocessor electrical characteristics (V =9V; T =25° ...
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... Max. Gain MAX A Max. Attenuation MAX A Step Resolution STEP E Attenuation Set Error A E Tracking Error Steps DC 12/64 =10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) L Test Condition Main / Mix-Source -20 to +20dB G = -80 to -20dB Adjacent Attenuation Steps From 0dB to G MIN TDA7406 Min ...
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... Center Frequency Band Center Frequency Band Center Frequency Band Quality Factor DC DC-gain, Band 1 GAIN SPECTRUM ANALYZER CONTROL V Output Voltage Range SAOut f Center Frequency Band Center Frequency Band 2 C2 =10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) L Test Condition C1a f C1b C6a f ...
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... DC Steps DC M Mixing Ratio R AUDIO OUTPUTS V Clipping Level CLIP R Output Load Resistance L C Output Load Capacitance L R Output Impedance OUT V DC Voltage Level DC 14/64 =10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) L Test Condition Window 1 Window 2 Window 3 Adjacent Attenuation Steps Signal/Mix In Thd=0 ...
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... Steps DC SUBWOOFER Lowpass f Lowpass corner frequency LP GENERAL e Output Noise NO S/N Signal to Noise Ratio d distortion S Channel Separation left/right C =10kΩ; all gains=0dB; f=1kHz; unless otherwise specified) L Test Condition f HP1 f HP2 f HP3 f HP4 Adjacent Attenuation Steps f LP1 f LP2 f LP3 BW = 20Hz - 20kHz output muted ...
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... In the basic configuration there is a source-Selector with 8 inputs: one pseudo-differential (CDC), three single ended stereo (MD, CD, Tape), three single-ended mono (PHONE, NAVI, TIM) plus the “tuner” input. The tuner input takes the signal from either MPX1 or MPX2/AM pins (through the stereodecoder) see 4 ...
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... Figure 3. Input-stages 4.2 AutoZero The AutoZero allows a reduction of the number of pins as well as external components by canceling any offset generated by or before the In-Gain-stage (Please notice that externally generated offsets, e.g. generated through the leakage current of the coupling capacitors, are not canceled). The auto-zeroing is started every time the DATA-BYTE 0 is selected and needs max. 0.3ms for the alignment ...
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... AutoZero-action because no new source is selected and an undesired mute would appear at the outputs. For such applications the TDA7406 could be switched in the AutoZero-Remain-Mode (Bit 6 of the subaddress-byte). If this bit is set to high, the DATABYTE 0 could be loaded without invoking the AutoZero and the old adjustment-value remains. 4.2.3 ...
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... Figure 5. Loudness Center frequencies @ Attn. = 15dB 0.0 -5.0 dB -10.0 -15.0 -20.0 10.0 Figure 6. 1st and 2nd Order Loudness @ Attn. = 15dB, fP=400Hz 0.0 -5.0 dB -10.0 -15.0 -20.0 10.0 Description of the audioprocessor part = 400Hz. P 100.0 1.0K Hz 100.0 1.0K Hz 100 ...
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... Volume Control 4.5.1 Gain/Attenuation Control The volume control can range from a gain of 32dB attenuation of 79dB; however it is not recommended to use a gain higher than 20dB for performance reasons. 4.5.2 Soft Step Volume When the speaker-level is changed, audible clicks could appear at the output. The root cause of those clicks could either offset before the speaker-stage or the sudden change of the envelope of the audio signal ...
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... The others bands are fixed at: 157, 396, 1K and 2.5K Hertz (see Figure ● Quality Factors: The four possible quality factors are 1, 1.4, 1.8 and 2.2 (see Figure 11). The center frequency, Q, DC-mode and boost/cut can be set fully independently for each filter ...
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... Description of the audioprocessor part Figure 9. Equalizer filter control @ -10 -15 Figure 10. Center frequencies @ Gain = 15dB 1 Figure 11. Quality factors @ boost = 15dB 22/64 Center 100 20 100 100 = 1kHz 1.0 10k 20k 20k = 1kHz Center Hz 1k TDA7406 20k ...
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... TDA7406 Figure 12. Superposition of all EQ bands @ boost = 15dB 4.6.2 DC-Mode The filter stage 1 (62/100Hz) has a programmable +4dB DC-gain when the boost is set at +15dB (See Figure Figure 13. EQ band1, normal- and DC-mode @ boost = 15 dB Note: The center frequency, Q, DC-mode and boost/cut can be set fully independently for each filter ...
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... SA microprocessor analog port, the output voltage at this pin is referred to device ground. The microprocessor starts a read cycle when there is a clock edge going negative at the SA input. On the following positive clock edges, the peak signal level for the band pass ...
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... AC – external ac coupling using Mix – mixing the Mix pins of the rear speaker are not used this inputs can be used as mixing inputs for In the internal subwoofer filter. Description of the audioprocessor part Figure 17). pins In ...
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... Description of the audioprocessor part Figure 17. AC/DC-coupling and Mix 4.10 Speaker-Attenuator stage Each of the four speakers and the subwoofer output has a separate volume control in the range: +15... -79dB plus mute with a typical value of -90dB. 4.11 Output Mixer A Mixing-stage is placed after each speaker gain/attenuator stage and can be set independently to mixing-mode ...
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... Multipath-detector with programmable internal/external influence 2 ● I C-bus control of all necessary functions 5.2 Stereodecoder electrical characteristics Table 5. Stereodecoder electrical characteristics V = 9V, de-emphasis time constant = 50µs, MPX input voltage VMPX = 500mV (75kHz S deviation), modulation frequency = 1kHz, input gain = 6dB, T otherwise specified. Symbol Parameter V MPX Input Level in R ...
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... Stereodecoder part Table 5. Stereodecoder electrical characteristics (continued 9V, de-emphasis time constant = 50µs, MPX input voltage VMPX = 500mV (75kHz S deviation), modulation frequency = 1kHz, input gain = 6dB, T otherwise specified. Symbol Parameter PLL Δf/f Capture Range DEEMPHASIS and HIGHCUT τ De-emphasis Time constants FM DeempFM Highcut Time constant Multiplier ...
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... Intermodulation Suppression: measured with: 91% pilot signal 10kHz or 13kHz. 2. Traffic Radio (V.F.) Suppression: measured with: 91% stereo signal; 9% pilot signal; fm= 1 kHz; 5% subcarrier (f = 57kHz 23Hz AM 60%) 3. SCA (Subsidiary Communications Authorization) measured with: 81% mono signal; 9% pilot signal 1kHz; 10%SCA - subcarrier ( fs = 67kHz, unmodulated ). 4. ACI ( Adjacent Channel Interference ): measured with: 90% mono signal ...
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... Stereodecoder part 5.3 Dual MPX Usage 0.0.1 Feature Description The TDA7406 is able to support a twin tuner concept via the Dual-MPX-Mode. The DC- Voltage at the CMPX-pin controls whether one or both MPX-signals are used to decode the stereo FM-signal. Therefor two window-comparators with a characteristic as shown in Figure 19 are implemented (Please note that the thresholds have a hysteresis of 500mV) ...
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... MPX path ● internal rectifier and filters for AM-IF path ● programmable trigger thresholds ● trigger threshold dependent on high frequency noise with programmable gain ● additional circuits for deviation- and fieldstrength-dependent trigger adjustment ● 4 selectable pulse suppression times for each mode ● ...
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... G max. gain AM IF AMIF,max G step gain AM IF AMIF,step f min AMIF,min c f max AMIF,max c 1. All thresholds are measured using a pulse with T increase the PEAK voltage. 32/64 Test conditions meas.with V =0mV, MPX V << LEVEL V SBL (fully mono) Signal HOLDN in Testmode Signal HOLDN ...
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... Figure 21. Deviation Controlled Trigger Adjustment Figure 22. Fieldstrength Controlled Trigger Adjustment ≈ PEAK IN 0. 2.8 2.0 1 (11) n oisy Noise blanker part 260m V (00) 220m V (01) 180m 140m ISE LLE D T RIG . 1. etector off (11 TIO N [ .4V (00) 1 .9V (01) 1.4V (10) g ood sign 33/64 ...
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... Multipath detector 7 Multipath detector 7.1 Features: ● internal 19kHz band-pass filter ● programmable band-pass- and rectifier-gain ● selectable internal influence on Stereoblend and/or Highcut 7.2 Multipath detector electrical characteristics Table 7. Multipath detector electrical characteristics Symbol Parameter Center frequency of Multipath- f CMP Bandpass G Bandpass Gain ...
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... This influence of SoftMute on the stereodecoder mute can be switched off by setting bit 3 of the SoftMute byte to “0”. A stereodecoder mute command (bit 0, stereodecoder byte set to “1”) will set the stereodecoder in any case independently to the high-ohmic mute state. ...
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... TDA7406 offers an I compensate the lowpass behavior of the tuner section. If the tuner's attenuation at 38kHz range from 7.2% to 31.0% the TDA7406 needs no external network in front of the MPX- pin. Within this range an adjustment to obtain at least 40dB channel separation is possible. The bits for this adjustment are located together with the fieldstrength adjustment in one byte ...
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... The setup of the highcut characteristics is described in 8.5 PLL and Pilot tone-Detector The PLL has the task to lock on the 19kHz pilot tone during a stereo-transmission to allow a correct demodulation. The included pilot tone-detector enables the demodulation if the pilot tone reaches the selected pilot tone threshold V available ...
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... Stereoblend 8.9 Highcut Control The highcut control set-up is similar to the stereoblend control set-up: the starting point VHCH can be set with 2 bits to be 42, 50 66% of REF5V whereas the range can be set to be 17, 22 33% of VHCH (see 38/64 Figure 27). At the point of full channel separation the ...
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... TDA7406 Figure 28. Highcut characteristics Functional Description of Stereodecoder 39/64 ...
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... The aim of the noiseblanker part is to cancel the audible influence of the spikes. Therefore the output of the stereodecoder is held at the actual voltage for a time between 22 and 38µ (370 and 645µs in AM-mode). The block diagram of the noiseblanker is given in Figure 29 ...
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... In order to blank the whole spike in AM mode the hold-times of the sample and hold circuit are much longer then in FM (640µs to 1.2ms). All threshold controls can be used like in FM mode. ...
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... A multipath-condition is detected by rectifying the spectrum around 19kHz in the fieldstrength signal. An external capacitor is used to define the attack- and decay-times for the Stereoblend (see block diagram, fig. 32). Due to the very small charge currents this capacitor should be a low leakage current type (e.g ceramic). Using this configuration an adaptation to the user's requirement is possible without effecting the “ ...
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... The noise-signal is the PEAK-signal without additional influences (see noiseblanker description). The factor 'a' can by programmed from 0.7 to 1.15. The output is a low impedance output able to drive external circuitry as well as simply fed to an AD-converter for RDS applications. ...
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... Testmode 12 Testmode During the Testmode, which can be activated by setting bit I2 of the subaddress byte and bit D1 of the stereodecoder testing-byte, several internal signals are available at the FD2R+ pin. During this mode the input resistance of 100kOhm is disconnected from the pin. The internal signals available are shown in the Data-byte specification ...
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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 13.1.1 Auto increment If bit I in the subaddress byte is set to “1”, the auto increment of the subaddress is enabled. 13.1.2 TRANSMITTED DATA (send mode) MSB Soft mute activated ...
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... Volume EQ Filter 1 (62/100Hz) EQ Filter 2 (157Hz) EQ Filter 3 (396Hz) EQ Filter 4 (1kHz) EQ Filter 5 (2.51kHz) EQ Filter 6 (4/6.34kHz) EQ Filter 7 (15/16kHz) Mixing Programming SoftMute Subwoofer / Spectrum analyzer / HighPass Configuration Audioprocessor I Configuration Audioprocessor II Speaker attenuator LF Speaker attenuator RF Speaker attenuator LR Speaker attenuator RR Subwoofer attenuator Mixing Level Control Testing Audioprocessor ...
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... TDA7406 13.3 Data byte specification The status after Power-On-Reset is marked bold-face / underlined in the programming tables. Table 9. Input Selector (0) MSB Table 10. Loudness (1) MSB LSB Source Selector CDC/ Tape Phone Navi Tuner TIM Input Gain 0 0 0dB 0 1 1dB : : : 1 0 14dB 1 1 15dB ...
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... I2C bus interface Table 11. 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. Table 12. Equalizer (3,4,5,6,7,8,9) MSB 48/64 LSB Gain/Attenuation (+32.0dB (+31.5dB ...
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... Mute time = 0.48ms 0 1 Mute time = 0.96ms 1 0 Mute time = 123ms 1 1 Mute time = 324 ms Influence on Stereodecoder Highohmic-Mute off Influence on Pilot-detector Hold and MP-Hold off Influence on SoftMute on off Beep Frequencies 600 Hz 780 Hz 1.56 kHz 2.4 kHz I2C bus interface FUNCTION FUNCTION ...
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... I2C bus interface Table 15. Subwoofer Configuration / Spectrum Analyzer / HighPass (12) MSB Table 16. Configuration Audioprocessor I (13) MSB 50/64 LSB Subwoofer Filter 0 0 off 0 1 80Hz 1 0 120Hz 1 1 160Hz Subwoofer Coupling using using Mix using Spectrum Analyzer Q-Factor 0 3.5 1 1.8 High Pass Enable ...
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... TDA7406 Table 16. Configuration Audioprocessor I (13) (continued) MSB Table 17. Configuration Audioprocessor II (14) MSB LSB Loudness flat filter ON Mixing Selector Tuner/TIM Switch TIM Tuner Tuner Selection AM Stereodecoder LSB Pause Detector 0 off 1 on Pause ZC Window 0 0 160mV 0 1 80mV 1 0 40mV 1 1 not allowed ...
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... I2C bus interface Table 18. Speaker and Subwoofer Level Control (15,16,17,18,19) MSB Table 19. Mixer Level Control (20) MSB 52/64 LSB Gain/Attenuation +15dB : : : : : : 1dB 1dB : : : : : : -16dB : : : : : : -32dB : : : : : : -48dB : : : : : : -64dB : : : : : -79dB Mute SoftStep On/Off On Off LSB Gain/Attenuation +15dB : : : : : : 1dB 1dB : : : : : : -15dB -16dB : : : : : : -78dB -79dB Mute ...
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... TDA7406 Table 20. Testing Audioprocessor (21) MSB Note: This byte is used for testing or evaluation purposes only and must not set to other values than “11111110” in the application! Table 21. Stereodecoder (22) MSB LSB Audioprocessor Testmode 0 off 1 on Test-Multiplexer Spectrum Analyzer Filter Spectrum Analyzer Filter Spectrum Analyzer Filter ...
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... I2C bus interface Table 21. Stereodecoder (22) (continued) MSB De-emphasis-Shift enabled (Subaddr.26/Bit7 = 0) Table 22. Noiseblanker I (23) MSB 54/64 LSB Forced MONO 1 MONO/STEREO switch automatically Pilot Threshold HIGH Pilot Threshold LOW De-emphasis 50µs De-emphasis 62.5µs (46.9µs De-emphasis 75µs De-emphasis 100µs (75µs LSB ...
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... Fieldstrength adjust OFF Blank Time 38µs / 1.2ms 0 1 25.5µs / 800µ 32µ 22µs / 640µs Noise Rectifier Discharge Resistor R = infinite Strong Multipath influence on PEAK 18k off on (18k discharge if V LSB Stereodecoder Mode Rectifier Gain 6dB 8dB 10dB 0 1 ...
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... I2C bus interface Table 25. High-Cut (26) MSB 56/64 LSB High-Cut 0 off 1 on max. High-Cut 0 0 2dB 0 1 5dB 1 0 7dB 1 1 10dB VHCH 42% REF5V 0 1 50% REF5V 1 0 58% REF5V 1 1 66% REF5V VHCL 16.7% VHCH 22.2% VHCH 27.8% VHCH 33.3% VHCH De-emphasis Shift On Off TDA7406 FUNCTION ...
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... REF5V 60.0% REF5V 63.3% REF5V 66.6% REF5V 70.0% REF5V Quality Detector Coefficient 0 a=0.7 1 a=0.85 0 a=1.0 1 a=1.15 HCC-Level-Shift (only Level through MPD) 0.0V 500mV 1.0 V 1.5 V LSB Fast Load off Bandpass Gain 0 0 6dB 0 1 12dB 1 0 16dB 1 1 18dB I2C bus interface ...
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... LSB Rectifier Gain 0 0 Gain = 7.6dB 0 1 Gain = 4.6dB 1 0 Gain = 0dB 1 1 disabled Charge Current at MP-Out 0.25µA 0.50µA Multipath on High-Cut Decay-Time 2ms 10ms Multipath influence on PEAK Discharge off -1V/ms LSB Roll-Off Compensation not allowed 7. 9. 13.7% ...
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... TDA7406 Table 29. Stereodecoder Configuration (30) MSB Using the Multipath Time-Constants for Stereo-Bland and High-Cut Table 30. Testing Stereodecoder(31) MSB LSB Multipath Influence on High-Cut Off Multipath Influence on Stereo-Blend Off Level-Input over Multipath-Detector Off Dual MPX Mode Off 1 must be “1” LSB I2C bus interface ...
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... I2C bus interface Table 30. Testing Stereodecoder(31) (continued) MSB Note: This byte is used for testing or evaluation purposes only and must not be set to other values than “11111100” in the application! 60/64 LSB TDA7406 FUNCTION Audioprocessor Oscillator Off On must be “1” ...
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... TDA7406 14 Application diagram Figure 31. Application Diagram Application diagram 61/64 ...
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... 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 inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ...
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... TDA7406 16 Revision history Table 31. Document revision history Date 04-Sep-2006 Revision 1 Initial release. Revision history Changes 63/64 ...
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... The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America ...