TDA7411 ST Microelectronics, TDA7411 Datasheet
TDA7411
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TDA7411 Summary of contents
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... MULTIPATH DETECTOR SOFTMUTE FUNCTION PROGRAMMABLE ROLL-OFF COMPENSATION NO EXTERNAL COMPONENTS DESCRIPTION The TDA7411 is the successor of the TDA7407 in the CSP family introduced by the TDA7460/61. It uses the same innovative concepts and design technologies allowing fully software programma- 2 bility through I C bus and overall cost optimization for the system designer ...
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... Parameter Value 10.5 - -55 to 150 Min. Typ. Max. 7 ACin1R 33 ACin1L 32 ACin2L 31 ACin2R 30 ACin3R 29 ACin3L GND 26 OutLF 25 OutRF 24 OutRR 23 PINCON-TDA7411 Value Max 85 Unit V °C °C Unit Unit °C/W ...
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... MDL Mini Disk Input Left 42 MDR Mini Disk Input Right 43 CDR Compact Disk Input Right (Test mode Output) 44 CDL Compact Disk Input Left Pin type legenda Input ; O = Output; I/O = Input/Output Supply not connected. Function TDA7411 Type ...
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... TDA7411 AUDIO PROCESSOR PART Input Multiplexer – full differential stereo input configurable as quasi-differential input – quasi differential auxiliary stereo input – mini disk stereo input configurable as mono differential input – compact disk stereo input – mono differential navigation input – AM mono input – ...
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... Common Mode 1KHz CM RMS 10KHz CM RMS Differential 1KHz CM RMS 10KHz CM RMS G = -20 to +20dB G = -60 to +20dB Adjacent Attenuation Steps From 0dB to GMIN TDA7411 Min. Typ. Max. Unit 70 100 130 K 1.6 1.7 V RMS 80 100 dB -0 0 0.5 5 ...
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... TDA7411 ELECTRICAL CHARACTERISTICS (continued 8V 25° 10K ; all gains = 0dB 1KHz; unless otherwise specified) S amb L Symbol Parameter f Center Frequency C Q Quality Factor BASS DC Bass-DC-Gain GAIN MID CONTROL C Control Range RANGE A Step Resolution STEP f Center Frequency C Q Quality Factor BASS ...
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... Mono Diff Inputs, Vout = 0.75V RMS All other inputs out RMS V =1V ; Bass & Treble = 12dB OUT RMS -20dB -20 to -60dB 0. 1.6mA O TDA7411 Min. Typ. Max. Unit 30 120 3 µV 6.5 15 µV 6.5 µV 102 110 dB 96 ...
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... TDA7411 DESCRIPTION OF THE AUDIOPROCESSOR PART Input Multiplexer – CDCH full differential input configurable as quasi-differential input – auxiliary quasi-differential input – CD stereo – MD stereo configurable as mono-differential phone input – mono-differential NV input – AM mono – and stereo decoder input. Figure 1. Input Selectors TDA7411 8/43 ...
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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 TDA7411 could be switched in the AutoZero-Remain- Mode (Bit 6 of the sub address 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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... TDA7411 Mute Capability of Audio Processor The main channel and the sub channel of the TDA7411 can be muted after the Source selectors. This mute (no soft mute!) must be started by I The digitally controlled SoftMute stages are placed in the speaker and allow muting/demuting of the signal ...
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... Figure 4 shows the attenuation as a function of frequency at a center frequency of 80Hz. Figure 4. Bass Control @ f C 15.0 10.0 5.0 0.0 -5.0 - 10.0 - 15.0 10.0 Center Frequency Figure 5 shows the four possible center frequencies 60, 70, 80 and 100Hz. Figure 5. 15. 0 12 10.0 = 80Hz 100 100 TDA7411 10.0 K 10.0K 11/43 ...
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... TDA7411 Quality Factors Figure 6 shows the four possible quality factors 1, 1.25, 1.5 and 2. Figure 6. Bass Quality factors @ Gain = 14dB, f 15. 0 12 Mode In this mode the DC-gain is increased by 5.1dB. In addition the programmed center frequency and quality factor is decreased by 25%, which can be used to reach alternative center frequencies or quality factors. ...
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... Figure 8. Mid Control @ f = 1kHz 15 -10. 0 -15. 0 10. 0 Center Frequency Figure 9 shows the four possible center frequencies 500Hz, 1kHz, 1.5kHz and 2kHz. Figure 9. 15. 0 12 10.0 100 100 TDA7411 10.0K 10. 0K 13/43 ...
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... TDA7411 Quality Factor Figure 10 shows the two possible quality factors 1 and center frequency of 1kHz. Figure 10. Mid Q-factor @ f C 15. 0 12 10.0 TREBLE There are two parameters programmable in the treble stage: Attenuation Figure 11 shows the attenuation as a function of frequency at a center frequency of 17.5kHz. ...
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... There are two possibilities for internal DC Coupling: – main channel after the bass filter – main channel after the middle filter (same as at ACout pin) 2 The I C bus programming tables shows the possible speaker sources. 100 with exception of AC input ACin1, which has pro- TDA7411 10. 0K 15/43 ...
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... TDA7411 Low Pass Filter Figure 13 shows the five possible corner frequencies of the low pass filter: Figure 13. Low Pass Corner Frequencies -10 -20 -30 -40 10 Anti-Radiation-Filter An Anti-Radiation-Filter is implemented to suppress the radiation at the SC-clock-frequency and its har- monics. This radiation is only present if the stereo decoder is selected and/or SC-Filters are active (< ...
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... Stereo, PTH = 0 for Mono, PTH = 1 for Mono, PTH = 1 Bit 7, Subadr >> V LEVEL HCH Bit 7, Subadr >> V LEVEL HCH Bit 7, Subadr >> V LEVEL HCL Bit 7, Subadr >> V LEVEL HCL TDA7411 Min. Typ. Max. Unit 0.5 1.25 V RMS 70 100 130 K 1.5 3.5 4.5 dB 8.5 11 12.5 dB 1.75 2.5 3 ...
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... TDA7411 ELECTRICAL CHARACTERISTICS (continued 8V; deemphasis time constant = 50 s 27°C; unless otherwise specified) amb Symbol Parameter STEREOBLEND-and HIGHCUT-CONTROL REF5V Internal Reference Voltage T Temperature Coefficient CREF5V L Min. LEVEL Gain Gmin L Max. LEVEL Gain Gmax L LEVEL Gain Step Resolution Gstep VSBL Min. Voltage for Mono ...
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... NBT = 011 (c) 50 (c) NBT = 010 (c) 55 (c) NBT = 001 (c) 60 (c) NBT = 000 (c) 65 (c) NCT = 00 (c) 260 (c) NCT = 01 (c) 220 (c) NCT = 10 (c) 180 (c) NCT = 11 (c) 140 (c) 6) 0.5 0.9 1.3 NRD = 00 1.5 1.7 2.1 3.5 TDA7411 Unit 19/43 ...
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... TDA7411 ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter V deviation dependent RECT DEV 3) rectifier Voltage V Fieldstrength Controlled RECT FS 4) Rectifier Voltage T Suppression Pulse S 5) Duration V Noise Rectifier discharge RECTADJ 6) adjustment SR Noise Rectifier Charge PEAK V Noise Rectifier adjustment ADJMP 8) through Multipath ( design/characterization functionally guaranteed through dedicated test mode structure 0) All Thresholds are measured using a pulse with voltage ...
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... OP 2.8 2.0 1.2 0.9 D97AU649 Figure 17. Field strength Controlled Trigger Adjustment V PEAK »3V NOISE PEAK VTH MIN. TRIG. THRESHOLD 0.9V D97AU648 20 32 MONO STEREO ATC_SB OFF (11) noisy signal D97AU650 260mV(00) 220mV(01) 180mV(10) 140mV(11) NOISE CONTROLLED TRIG. THRESHOLD V PEAK(V) 1. DETECTOR OFF (11) DEVIATION(KHz) 2.4V(00) 1.9V(01) 1.4V(10) 0.9V good signal E' TDA7411 21/43 ...
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... TDA7411 MULTIPATH DETECTOR Features: – internal 19kHz band-pass filter – programmable band-pass and rectifier gain – two pin solution fully independent usable for external programming – selectable internal influence on Stereoblend ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter f Center frequency of Multipath- CMP Bandpass G Band pass Gain ...
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... In the demodulator block the left and the right channel are separated from the MPX-signal. In this stage also the 19-kHz pilot tone is canceled. For reaching a high channel separation the TDA7411 offers an I2C- bus programmable roll-off adjustment, which is able to compensate the low pass behavior of the tuner sec- tion ...
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... TDA7411 dently of the absolute voltage range between the VHCH- and VHCL-values. The highcut function can be switched off by I2C-bus (bit D7, Field strength byte set to "0"). The setup of the highcut characteristics is described in 2.9. 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 de- modulation ...
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... The block diagram of the noise blanker is given in fig.22 INTERNAL VOLTAGES LEVEL INTERN REF 5V LEVEL 58% VSBL 29% t FIELDSTRENGHT VOLTAGE modAU639 LOWPASS TIME CONSTANT 3 Deemp Deemp VHCL VHCH D97AU640 of the "stereo decoder 7 SETUP OF VMO LEVEL INTERN t VST VMO FIELDSTRENGHT VOLTAGE FIELDSTRENGHT TDA7411 25/43 ...
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... TDA7411 Figure 22. Block diagram of the noise blanker RECTIFIER MPX MPOUT In a first stage the spikes must be detected but to avoid a wrong triggering on high frequency (white) noise a complex trigger control is implemented. Behind the trigger stage a pulse former generates the "blank- ing"-pulse. An own biasing circuit supplies the noise blanker in order to avoid any cross talk to the signal path ...
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... Selecting the "internal influence" in the configuration byte the channel separation is automatically reduced during a multipath condition according to the voltage appearing at the MP_OUT-pin. A possible application is shown in fig. 29. of the fieldstrength control-byte. 1 and The second possibility is to activate a function, which = infinite and V = 2.5V MPout of the stereo decoder-byte (the first step 7 TDA7411 27/43 ...
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... AD-converter for RDS applications. AF Search Control The TDA7411 is supplied with several functionality to support AF-checks using the stereo decoder. As mentioned already before the high impedance mute feature avoids any clicks during the jump condition possible at the same time to evaluate the noise- and multipath-content of the alternate frequency by using the Quality detector output ...
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... During the test mode which can be activated by setting bit D0 of the testing-byte and bit D5 of the sub address byte to "1" several internal signals are available at the CDR pin. During this mode the input re- sistance of 100kOhm is disconnected from the pin. The internal signals available are shown in the data byte specification. TDA7411 29/43 ...
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... TDA7411 BUS INTERFACE DESCRIPTION Interface Protocol The interface protocol comprises: -a start condition (S) -a chip address byte (the LSB bit determines read / write transmission) -a subaddress byte -a sequence of data (N-bytes + acknowledge) -a stop condition (P) CHIP ADDRESS MSB LSB R/W ACK ...
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... Input Selector (sub Speaker Attenuator Left Free Speaker Attenuator Right Free Configuration Front Configuration Rear Configuration Free Mute TDA7411 Byte FUNCTION (dec ...
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... TDA7411 DATA BYTE SPECIFICATION The status after Power-On-Reset is marked bold face / underlined in the programming tables. Input Selector (0) MSB Volume and Speaker Attenuation ( 19, 20) MSB ...
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... Cut Boost Treble Center-frequency 10.0 kHz 12.5 kHz 15.0 kHz 17.5 kHz unused must be “1” LSB Bass Steps 15dB 14dB : : : : : Boost / Cut Cut Boost Bass Quality Factor 1.00 1.25 1.50 2.00 DC Mode Off On TDA7411 FUNCTION FUNCTION 33/43 ...
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... TDA7411 Speaker Attenuators (4-7) Please refer to Volume Programming. Soft Mute and Bass Programming (8) MSB Stereo Decoder (9) MSB 34/43 LSB Not used 0 Must be “0” ...
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... High-Cut 10dB 0 VHCH at 42% REF5V 1 VHCH at 50% REF5V 0 VHCH at 58% REF5V 1 VHCH at 66% REF5V VHCL at 16.7% VHCH VHCL at 22.2% VHCH VHCL at 27.8% VHCH VHCL at 33.3% VHCH Strong Multipath Influence on PEAK 18k Off On (18k discharge if V TDA7411 FUNCTION FUNCTION High-Cut OFF High-Cut ON < 2.5V) MPout 35/43 ...
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... TDA7411 Field Strength Control (12) MSB Configuration (13) MSB 36/43 LSB VSBL at 29% REF5V VSBL at 33% REF5V VSBL at 38% REF5V VSBL at 42% REF5V ...
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... VSBL 1 0 Not used 1 1 Not used 0 0 PEAK 0 1 Not used 1 0 REF5V 1 1 Not used VCO OFF ON Audio Processor Test Mode Enabled if bit D mode-bit) is set to "1", too OFF TDA7411 FUNCTION FUNCTION of the sub 5 of the sub address (test 5 37/43 ...
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... TDA7411 New Quality / Control (16) MSB Middle Filter (17) MSB 38/43 LSB Reference Generation 0 Internal Reference-Divider 1 External Reference Force Quality Noise-Gain ...
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... Bass filter output Phone ACin0 ACin1 ACin2 1 1 ACin3 1 Interrupt Left 0 Interrupt 1 No interrupt Interrupt Right Interrupt No interrupt Interrupt Source Left Phone NV Interrupt Source Right Phone NV Not used Must be “1” TDA7411 FUNCTION FUNCTION 39/43 ...
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... TDA7411 Configuration Rear Speaker (22) MSB Configuration Rear Speaker (23) MSB 40/43 LSB ...
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... Figure 25. Standard Application LSB Front Left Speaker 0 Muted 1 Unmuted Front Right Speaker 0 Muted 1 Unmuted Rear Speaker 0 Muted 1 Unmuted Smoothing Bass 0 off 1 on Free Speaker Muted Unmuted Smoothing Low Pass off on Main Channel Muted Unmuted Sub Channel Muted Unmuted TDA7411 TDA7411 FUNCTION 41/43 ...
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... TDA7411 mm DIM. MIN. TYP. MAX. A 1.60 A1 0.05 0.15 A2 1.35 1.40 1.45 B 0.30 0.37 0.45 C 0.09 0.20 D 11.80 12.00 12.20 D1 9.80 10.00 10.20 D3 8.00 E 11.80 12.00 12.20 E1 9.80 10.00 10.20 E3 8.00 e 0.80 L 0.45 0.60 0.75 L1 1.00 k 0˚(min.), 3.5˚(typ.), 7˚(max 42/43 inch MIN. TYP. MAX. 0.063 0.002 0.006 0.053 0.055 0.057 0.012 0.015 0.018 0.004 0.008 0.464 0.472 0.480 0.386 ...
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