TDA7719 STMicroelectronics, TDA7719 Datasheet
TDA7719
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TDA7719 Summary of contents
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... Full source selector for rear seat output ■ Mixing selector Description The TDA7719 is a high performance signal processor specifically designed for car radio applications. The device includes a high performance audioprocessor with fully integrated audio filters and new Soft Step architecture. The digital control allows programming in a wide range of filter characteristics ...
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... Treble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2/46 Front and rear selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Direct path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Loudness attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Peak frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 High frequency boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Flat mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Bass attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Bass center frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Bass quality factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 DC mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Middle attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Middle center frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Middle quality factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Doc ID 13698 Rev 4 TDA7719 ...
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... TDA7719 4.8.1 4.8.2 4.9 Subwoofer Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.10 Softstep control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.11 DC offset detector and level meter option . . . . . . . . . . . . . . . . . . . . . . . . 25 4.12 DC offset detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.13 Level meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.14 Output gain control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.15 Audioprocessor testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4.16 Test circuit ( offset detector bus specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 5.1 Interface protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 5.1.1 5.1.2 5 ...
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... Treble filter ( Table 21. Middle filter (10 Table 22. Bass filter (11 Table 23. Subwoofer / middle / bass (12 Table 24. Speaker attenuation (LF/RF/LR/RR) (13-16 Table 25. Subwoofer attenuation (subwoofer L/subwoofer R) (17-18 Table 26. Testing audio processor 1 (19 Table 27. Testing audio processor 2 (20 Table 28. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4/46 Doc ID 13698 Rev 4 TDA7719 ...
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... TDA7719 List of figures Figure 1. Block circuit diagram Figure 2. Pin connection (top view Figure 3. QD and FD configuration of QD4/FD4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 4. Block diagram of mixing stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 5. Loudness attenuation @ fP = 400 Hz Figure 6. Loudness center frequencies @ Attn dB Figure 7. Loudness attenuation, f Figure 8. SoftMute timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 9. Bass Control @ Hz Figure 10. ...
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... Block circuit diagram 1 Block circuit diagram Figure 1. Block circuit diagram 6/ Doc ID 13698 Rev 4 TDA7719 ...
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... TDA7719 2 Pin description 2.1 Pin connection Figure 2. Pin connection (top view) 2.2 Pin description Table 2. Pin description No. Pin name 1 QD1L / SE1L / MD3+ 2 QD1R / SE1R / MD3- 3 QD1G / SE2L 4 QD2G / SE2R 5 QD2L / SE3L 6 QD2R / SE3R 7 QD3L 8 QD3G 9 QD3R Description QD1 left input or SE1 left or MD3 positive input ...
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... Rear left output Front left output DC offset detector filter or Vref output bus data Supply bus clock bus data DC offset detector output or Level meter output DC offset detector input or Beep input (Mono Single-Ended input) Doc ID 13698 Rev 4 TDA7719 I/O I/O I/O I/O I I/O ...
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... TDA7719 3 Electrical specifications 3.1 Thermal data Table 3. Thermal data Symbol R th-j amb 3.2 Absolute maximum ratings Table 4. Absolute maximum ratings Symbol in_max T amb T stg 3.3 Electrical characteristics ° amb specified Table 5. Electrical characteristics Symbol Parameter Supply V Supply voltage s I Supply current ...
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... Step resolution STEP DC Bass-DC-gain GAIN 10/46 Test condition Min 0.5 -0.75 Adjacent attenuation steps From MIN 2 180 1.8 4 ±14 0 off ± on, Gain = 15 dB Doc ID 13698 Rev 4 TDA7719 Typ. Max. Unit 400 Hz 800 Hz 2400 - 1 + 100 dB 0. Ω 3.3 ...
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... TDA7719 Table 5. Electrical characteristics (continued) Symbol Parameter Middle control C Control range RANGE A Step resolution STEP f Center frequency c Q Quality factor BASS Treble control C Clipping level RANGE A Step resolution STEP f Center frequency c Speaker attenuators A Min attenuation MIN A Max attenuation MAX A Step resolution ...
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... LP2 f 144 LP3 Vrms grounded kHz A-Weighted, all gain = kHz A-Weighted, output muted all gain = 0 dB, A-weighted RMS all stages 0dB IN RMS; Doc ID 13698 Rev 4 TDA7719 Typ. Max. Unit 0 120 132 Hz 160 176 Hz ±25 mV ±50 mV ±75 mV ±100 mV 11 µs 22 µs 33 µ ...
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... TDA7719 4 Description 4.1 Input configuration 4.1.1 Front and rear selector The input stage (Main source and 2 application. There are 7 different configurations which provide different input structure and different number of input sources as shown below. ● QD, ● SE, ● SE, ● MD, ● FD, ● SE, ● MD, ● ...
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... QD4 SE1 SE3 QD3 QD4 SE1 SE3 QD3 NA SE1 SE3 QD3 MD1/2 QD1 QD2 QD3 FD QD1 QD2 QD3 NA NA SE3 QD3 FD SE1 SE3 QD3 FD Doc ID 13698 Rev 4 TDA7719 100 101 110 111 IN4 IN5 IN6 IN7 SE2 SE2 SE4 SE5 NA SE2 ...
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... TDA7719 Figure 3. QD and FD configuration of QD4/FD4 FULL DIFFERENTIAL FD4L+ 100k FD4L- 100k FD4R+ 100k FD4R- 100k 4.1.2 Direct path The input pins can be configured as direct path mode by setting Byte1 Bit5~Bit7. In direct path mode the input pins are connected to dedicated mono fader directly, all the filters and volume are bypassed ...
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... NA NA SE4 MD3 SE2 SE3 SE1 SE2 SE3 Doc ID 13698 Rev 4 Speaker Attenuator 100 101 110 MixIN4 MixIN5 MixIN6 Beep Beep SE5 NA Beep NA MD2 Beep Beep SE5 NA Beep Beep Beep TDA7719 111 MixIN7 Mute Mute Mute Mute Mute Mute Mute Mute ...
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... TDA7719 4.3 Loudness There are four parameters programmable in the loudness stage: 4.3.1 Loudness attenuation Figure 5 shows the attenuation as a function of frequency at f Figure 5. Loudness attenuation @ f 4.3.2 Peak frequency Figure 6 shows the four possible peak-frequencies at 400, 800 and 2400 Hz Figure 6. Loudness center frequencies @ Attn dB. ...
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... A started Mute action is always terminated and could not be interrupted by a change of the mute signal. 18/46 =2.4 kHz c 8). 2 C-bus output register is set to 1 from the start of muting 1 EXT. MUTE +SIGNAL REF -SIGNAL BUS OUT D97AU634 Doc ID 13698 Rev 4 TDA7719 2 C-bus Time ...
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... TDA7719 4.5 Softstep volume When the volume-level is changed audible clicks could appear at the output. The root cause of those clicks could either Offset before the volume-stage or the sudden change of the envelope of the audio signal. With the Softstep feature both kinds of clicks could be reduced to a minimum and are no more audible ...
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... In this mode the DC gain is increased by 4.4 dB. In addition the programmed center frequency and quality factor is decreased which can be used to reach alternative center frequencies or quality factors. Figure 12. Bass normal and DC mode @ Gain = 14 dB The center frequency, Q and DC-mode can be set fully independently. 20/ Doc ID 13698 Rev 4 TDA7719 = ...
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... TDA7719 4.7 Middle There are three parameters programmable in the middle stage: 4.7.1 Middle attenuation Figure 13 shows the attenuation as a function of frequency at a center frequency of 1 kHz. Figure 13. Middle control @ f 4.7.2 Middle center frequency Figure 14 shows the four possible center frequencies 500 Hz, 1 kHz, 1.5 kHz and 2.5 kHz. ...
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... Figure 15. Middle quality factors @ gain = 14 dB, f 4.8 Treble There are two parameters programmable in the treble stage: 4.8.1 Treble attenuation Figure 16 shows the attenuation as a function of frequency at a center frequency of 17.5 kHz. Figure 16. Treble Control @ f 22/ kHz c = 17.5 kHz. c Doc ID 13698 Rev 4 TDA7719 ...
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... TDA7719 4.8.2 Treble center frequency Figure 17 shows the four possible center frequencies and 17.5 kHz. Figure 17. Treble center frequencies @ gain = 14 dB 4.9 Subwoofer Filter The subwoofer lowpass filter has Butterworth characteristics with programmable cut-off frequency (80 / 120 / 160 Hz). The output phase can be selected between 0 deg and 180 deg ...
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... C data sending, or the softstep can be activated in parallel after data 0xxxxxxx ↑ | Softstep start here 1xxxxxxx 1xxxxxxx (Section 5.1.2). When softstep is busy (busy=0 better to Doc ID 13698 Rev 4 TDA7719 ...... 0xxxxxxx ↑ | Softstep start here for all ...
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... To compensate for errors at low frequencies the WinTC-pin are implemented, with external capacitors introducing the same delay τ = 7.5kΩ TDA7719 and the power amplifier introduces. For the zero window comparators, the time constant for spike rejection as well as the threshold are programmable. ...
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... D0 of the testing-audioprocessor byte, several internal signals are available at the QD1L pin. In this mode, the input resistance of 100 kΩ is disconnected from the pin. Internal signals available for testing are listed in the data-byte specification. 26/46 Doc ID 13698 Rev 4 TDA7719 2 C subaddress byte and bit ...
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... TDA7719 4.16 Test circuit ( offset detector) Figure 20. Test circuit Doc ID 13698 Rev 4 Description 27/46 ...
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... Fall time for SCL/SDA F t Rise time for SCL/SDA R t Data hold time HD,DAT t Data setup time SU,DAT 28/46 Parameter Min 2.4 0.6 0.6 1.3 0.6 0 100 Doc ID 13698 Rev 4 TDA7719 Max Unit 400 kHz V 0.8 V µs µs µs µs 300 ns 300 ...
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... TDA7719 2 Figure 22 timing diagram 5.1.1 Receive mode R Start R/W = "0" -> Receive Mode (Chip can be programmed by µP) "1" -> Transmission Mode (Data could be received by µP) ACK = Acknowledge P = Stop TS = Testing mode AI = Auto increment 5.1.2 Transmission mode Soft mute activated for main channel BZ = Softstep Busy (‘0’ = Busy Not used The transmitted data is automatic updated after each ACK ...
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... Volume / Output Gain Treble Middle Bass Subwoofer / Middle / Bass Speaker Attenuator Left Front Speaker Attenuator Right Front Speaker Attenuator Left Rear Speaker Attenuator Right Rear Subwoofer Attenuator Left Subwoofer Attenuator Right Testing Audio Processor Testing Audio Processor 2 Doc ID 13698 Rev 4 TDA7719 Function ...
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... TDA7719 5.2 Data byte specification The default power on status of the registers is written with underline. Table 11. Input configuration / main selector (0) MSB Note: For detailed input source and input stage configuration, please refer to LSB Doc ID 13698 Rev bus specification Function Main source selector ...
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... Doc ID 13698 Rev 4 TDA7719 Function nd 2 Source Selector IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 nd MD1/2 Configuration for 2 Selector MD1 MD2 nd 2 Source Input Gain Select 0dB 3dB QD2 Bypass (Front) on Off QD3 Bypass (Rear) on Off QD4 Bypass (Subwoofer) on Off Section 4 ...
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... TDA7719 Table 13. Mixing source / mixing gain (2) MSB LSB Doc ID 13698 Rev bus specification Function Mixing Source Selector IN0 IN1 IN2 IN3 IN4 IN5 IN6 IN7 Mixing Attenuator 0dB -1dB -2dB -3dB -4dB -5dB -6dB -7dB -8dB -9dB -10dB -11dB -12dB -13dB ...
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... LSB Doc ID 13698 Rev 4 TDA7719 Function Mix to Front Left On Off Mix to Front Right On Off Mix to Rear Left On Off Mix to Rear Right On Off Rear Speaker Input Configuration nd Direct Path / 2 Source Main Signal Reference Output Select Internal Vref (3.3V) External Vref (4V) ...
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... TDA7719 Table 15. Soft mute / others (4) MSB LSB Doc ID 13698 Rev bus specification Function Soft Mute On Off Pin Influence for Mute Pin and IIC IIC Soft Mute Time 0.48ms 0.96ms 7.68ms 15.36ms Subwoofer Input Configuration Input Mux Bass Output Subwoofer Enable (OUTL3 & OUTR3) ...
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... SoftStep I (5) MSB 36/46 LSB Doc ID 13698 Rev 4 TDA7719 Function Loudness Soft Step On Off Volume Soft Step On Off Treble Soft Step On Off Middle Soft Step On Off Bass Soft Step On Off Speaker LF Soft Step On Off Speaker RF Soft Step On Off Speaker LR Soft Step On Off ...
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... TDA7719 Table 17. SoftStep detector (6) MSB LSB Doc ID 13698 Rev bus specification Function Speaker RR Soft Step on off Subwoofer Left Soft Step on off Subwoofer Right Soft Step on off Soft Step Time 5ms 10ms Zero-comparator Window size ±100mV ±75mV ±50mV Spike rejection time constant 11µ ...
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... Doc ID 13698 Rev 4 TDA7719 Function Attenuation 0dB -1dB : -14dB -15dB Center Frequency Flat 400Hz 800Hz 2400Hz High Boost on off Soft Step Action act wait Function Gain/Attenuation -15dB -14dB : -1dB 0dB 0dB +1dB : +14dB +15dB Not used Output Gain 1dB ...
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... TDA7719 Table 20. Treble filter (9) MSB Table 21. Middle filter (10) MSB LSB LSB Doc ID 13698 Rev bus specification Function Gain/Attenuation -15dB -14dB : -1dB 0dB 0dB +1dB : +14dB +15dB Treble Center Frequency 10.0kHz 12.5kHz 15.0kHz 17.5kHz Soft Step Action act wait Function Gain/Attenuation -15dB ...
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... LSB Doc ID 13698 Rev 4 TDA7719 Function Gain/Attenuation -15dB -14dB : -1dB 0dB 0dB +1dB : +14dB +15dB Bass Q Factor 1.0 1.25 1.5 2.0 Soft Step Action act wait Function Subwoofer Cut-off Frequency flat 80Hz 120Hz 160Hz Subwoofer Output Phase 180 deg 0 deg ...
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... TDA7719 Table 24. Speaker attenuation (LF/RF/LR/RR) (13-16) MSB Table 25. Subwoofer attenuation (subwoofer L/subwoofer R) (17-18) MSB LSB LSB Doc ID 13698 Rev bus specification Function Gain/Attenuation 0dB 0dB : 0dB 0dB -1dB : -78dB -79dB mute Soft Step Action act wait Function Gain/Attenuation +0dB +1dB : +15dB ...
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... Doc ID 13698 Rev 4 TDA7719 Function Audio Processor Testing Mode off on (1) Test Multiplexer at QD1L DCDet Vth High DCDet Vth Low VolumeoutL IntZeroErr InGainL LoudoutL BassoutL MidoutL Ref5V5 VGB1.26 SMCLK TrebleoutL SSCLK Clock200k REQ SDCLK (2) Clock Fast Mode on Off (2) Clock Source external (at mute pin) ...
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... TDA7719 Table 27. Testing audio processor 2 (20) MSB The control bit needs sub-address test mode on 2. The control bit does not depend on test mode. LSB Doc ID 13698 Rev bus specification Function (1) Test Architecture normal Split (2) Oscillator Clock 400kHz 800kHz (2) Softstep Curve S-Curve ...
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... Doc ID 13698 Rev 4 OUTLINE AND MECHANICAL DATA TSSOP28 Thin Shrink Small Outline Package JEDEC MO-153-AC 0128292 B TDA7719 ® ...
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... TDA7719 7 Revision history Table 28. Document revision history Date 16-Jul-2007 07-Jan-2007 30-Jul-2008 23-Apr-2009 Revision 1 Initial release. Added and updated the values on the characteristics. 2 Document status promoted from preliminary data to datasheet. 3 Updated Table 5: Electrical Updated Figure 1: Block circuit diagram on page Updated Section 4.1: Input configuration on page Added Section 4 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 46/46 Please Read Carefully: © 2009 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 13698 Rev 4 TDA7719 ...