TDA9874AH Philips Semiconductors, TDA9874AH Datasheet
TDA9874AH
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DATA SHEET TDA9874A Digital TV sound demodulator/decoder Product specification Supersedes data of 1999 Dec 03 File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 2000 Aug 04 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 2.1 Supported standards 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING 6 FUNCTIONAL DESCRIPTION 6.1 Description of the demodulator and decoder section 6.2 Description of the DSP 6.3 Description of the analog audio section C-BUS CONTROL 7.1 Introduction 7.2 Power-up state 7.3 Slave receiver mode 7 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 1 FEATURES Sound IF (SIF) input switch SIF Automatic Gain Control (AGC) with 24 dB control range Switchable 10 dB SIF input attenuator SIF 8-bit Analog-to-Digital Converter (ADC) Easy TV standard programming option Differential Quadrature Phase Shift Keying (DQPSK) demodulation for different standards, simultaneously ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 2.1 NALOG CARRIER SYSTEMS Table 1 Frequency modulation SOUND STANDARD FREQUENCY SYSTEM M mono 4 4.5/4.724 B/G A2 5.5/5.742 I mono 6.0 D/K (2) A2 6.5/6.742 D/K (1) A2 6.5/6.258 D/K (3) A2 6.5/5.742 Table 2 Identification for A2 systems PARAMETER Pilot frequency Stereo identification frequency Dual identification frequency AM modulation depth 2 ...
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... Main channels with high deviation can also be handled de-emphasis accordance with J17, is available. 4. m/st/d = mono or stereo or dual language sound. 5. Adaptive de-emphasis is compatible to transmitter specification. 3 ORDERING INFORMATION TYPE NUMBER NAME TDA9874APS SDIP42 TDA9874AH QFP44 2000 Aug 04 MAXIMUM MODULATION FM DEVIATION INDEX (kHz) (2) 0. ...
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... I S-BUS WS INTERFACE 37 (33) SCK 26 (22) TEST1 21 (17) TEST2 16 (11) TP1 TEST 14 (9) TP2 (16) TP3 The pin numbers given in parenthesis refer to the TDA9874AH. 2000 Aug 04 SIF2 27 (23) INPUT SWITCH AGC, ADC FM/AM NICAM DEMODULATION DEMODULATION NICAM DEMATRIX DECODER 2-CHANNEL LEVEL ANALOG/ ADJUST SATELLITE ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 5 PINNING PIN SYMBOL SDIP42 EXTIR 1 EXTIL ref2 P2 4 OUTM SSA4 OUTL 7 OUTR DDA1 V 10 SSA1 V 11 SSD1 V 12 DDD1 V 13 SSD2 n.c. TP2 14 NICAM 15 TP1 16 PCLK 17 ADDR1 18 XTALO 19 XTALI 20 TP3 TEST2 ref ADDR2 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder PIN SYMBOL SDIP42 SCK 37 SYSCLK DDD3 V 40 SSD3 P1 41 MONOIN 42 handbook, halfpage 2000 Aug 04 QFP44 S-bus clock input/output 34 system clock output 35 digital supply voltage 3; digital I/O pads 36 digital ground supply 3; digital I/O pads 37 first general purpose I/O pin ...
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... When switched off, the control loop is reset and fixed gain settings can be chosen (see Table 14). 2000 Aug TDA9874AH Fig.3 Pin configuration (QFP44). The AGC can be controlled via the I given in Sections 7.3.2, 7.3.3 and 7.4.6. 6.1.3 The digitized input signal is fed to the mixers, which mix one or both input sound carriers down to zero IF ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 6.1.5 FM DECODING A 2-carrier stereo decoder recovers the left and right signal channels from the demodulated sound carriers. Both the European and Korean stereo systems are supported. Automatic FM dematrixing is also supported, which means that the FM sound mode identification (mono, stereo or dual) switches the FM dematrix directly ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 6.1.10 C RYSTAL OSCILLATOR The digital controlled crystal oscillator (DCXO) is fully integrated. Only an external 24.576 MHz crystal is required. 6.1.11 T EST PINS All test pins are active HIGH. In normal operation of the device they can be left open-circuit, as they have internal pull-down resistors. Test functions are for manufacturing tests only and are not available to customers ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 6.2.4 FM (AM) PATH A high-pass filter suppresses DC offsets from the FM demodulator that may occur due to carrier frequency offsets, and supplies the FM monitor function with DC values, e.g. for the purpose of microprocessor controlled carrier search or fine tuning functions. An adaptive de-emphasis is available for Wegener-Panda 1 encoded satellite programs ...
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Acrobat reader. white to force landscape pages to be ... FIXED NICAM DE-EMPHASIS DC ADAPTIVE FM FILTER DE-EMPHASIS DE-EMPHASIS LEVEL ADJUST DIGITAL CROSSBAR SELECT ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 6.3 Description of the analog audio section 6.3.1 A NALOG CROSSBAR SWITCH AND ANALOG MATRIX The TDA9874A has one external analog stereo input, one mono input, one 2-channel and one single-channel output port. Analog source selector switches are employed to provide the desired analog signal routing capability, which is done by the analog crossbar switch section ...
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Acrobat reader. white to force landscape pages to be ... mono external NICAM NICAM NICAM DE-EMPHASIS DEMODULATOR DECODER FM/AM ADAPTIVE FIXED FM/AM DEMODULATOR DE-EMPHASIS ...
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... Philips Semiconductors Digital TV sound demodulator/decoder C-BUS CONTROL 7.1 Introduction The TDA9874A is controlled only via the I is exercised by writing data to one or more internal registers. Status information can be read from an array of registers to let the controlling microprocessor determine whether any action is required. 2 The device has an I ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3 Slave receiver mode As a slave receiver, the TDA9874A provides 26 registers for storing commands and data. Each register is accessed via a so-called subaddress. A subaddress can be thought pointer to an internal memory location. Detailed descriptions of the slave receiver registers are given in Sections 7 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.1.2 Using Easy Standard Programming (ESP) This facility simplifies programming by reducing the amount of data to be set-up and transferred via the 2 I C-bus. Subaddress 255 gives control of most standard dependent settings of the IC; see ESP register in Section 7.3.23. Table 10 Programming the TDA9874A by using ESP and automatic FM dematrixing ...
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Acrobat reader. white to force landscape pages to be ... Table 11 Overview of the slave receiver registers SUBADDRESS (DECIMAL ...
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Acrobat reader. white to force landscape pages to be ... SUBADDRESS (DECIMAL TVSMIIS ICSM2 ICSM1 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.2 AGC G R (AGCGR) AIN EGISTER If the AGC function is switched off in the general configuration register (see Section 7.3.3), the contents of this register defines a fixed gain of the SIF input stage. The input voltages given are meant to generate a nearly full-scale output from the SIF ADC. If the AGC is on, the AGC gain setting is ignored ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 14 AGC gain register AGCLEV AGCB4 AGCB3 AGCB2 AGCB1 AGCB0 0/1 0 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3 ENERAL ONFIGURATION The default setting after Power-on reset is 1100 0000. Table 15 General configuration register (subaddress P2OUT P1OUT Table 16 Description of the general configuration register bits BIT SYMBOL 7 P2OUT General purpose I/O pins 1 and 2: these bits control the general purpose input/output pins ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3 ONITOR ELECT EGISTER This register is used to define the signal source (the level of which monitored) and the signal channel. Data can be monitored e.g. before or after the DC filter at the FM/AM demodulator outputs. The peak level of signals can also be observed ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3 ARRIER FREQUENCY REGISTER This register should not be used when applying ESP. Three bytes are required to define a 24-bit frequency control word to represent the sound carrier (i.e. mixer) frequency. These three bytes are stored at subaddresses subaddress 3 being the high byte. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.7 D EMODULATOR CONFIGURATION REGISTER This register should not be used when applying ESP. The default setting after Power-on reset is 0000 0000. Table 24 Demodulator configuration register (subaddress IDMOD1 IDMOD0 Table 25 Description of the demodulator configuration register bits ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 28 Filter bandwidth for channel 1 and channel 2; note 1 FILTBW1 FILTBW0 CHANNEL Note recommended to switch the FM sound mode identification off whenever the received program is not a terrestrial 2-carrier sound. Switching the identification off will reset the associated hardware to a defined state. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 31 De-emphasis FMDSC23 FMDSC22 FMDSC21 FMDSC13 FMDSC12 FMDSC11 Notes 1. The FM de-emphasis gain Hz. 2. Not used in any known terrestrial TV sound standard. NICAM de-emphasis is selected in the NICAM configuration register; see Table 39. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 34 Selection of the dematrixing characteristics (manual mode) FDMS2 FDMS1 Table 35 Setting of the dematrixing characteristics (automatic mode) IDENTIFICATION MODE Mono Stereo Europe Korea Dual 2000 Aug 04 FDMS0 L OUTPUT 0 CH1 1 CH2 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3. HANNEL UTPUT EVEL This register is used to correct for standard and station-dependent differences of signal levels. Table 36 applies to the FM dematrix output channel 1. The default setting after Power-on reset is 0000 0000. Table 36 Channel 1 output level adjustment register (subaddress 12) The selected gain is also applied to the FM signal channel 1 for input to the mono channel ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3. HANNEL UTPUT EVEL This register is used to correct for standard and station-dependent differences of signal levels. Table 37 applies to the FM dematrix output channel 2 in its FM and AM modes. In the event of FM stereo or FM dual language reception, channels 1 and 2 should be adjusted to the same level. The default setting after Power-on reset is 0000 0000. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.12 NICAM C ONFIGURATION The default setting after Power-on reset is 0000 0000. Table 38 NICAM configuration register (subaddress 14 DCXOPULL DCXOTEST Table 39 Description of the NICAM configuration register bits; see notes BIT SYMBOL 7 DCXOPULL DCXO frequency select: this bit selects the DCXO lower or upper test frequency during DCXO test mode ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.13 NICAM UTPUT EVEL This register is used to correct for standard and station-dependent differences of signal levels. Table 40 applies to both NICAM sound outputs. The default setting after Power-on reset is 0000 0000. Table 40 NICAM output level adjustment register (subaddress 15) ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.14 NICAM OWER RROR When the auto-mute function is enabled (see Section 7.3.12) and the NICAM bit error count is lower than the value contained in this register, the NICAM signal is selected (again) for reproduction; see also Section 7.3.15. The default setting after Power-on reset is 0001 0100. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.17 S DAC O S TEREO UTPUT (SDACOSR) This register is used to define the signal source to be entered into the DAC. The stereo DAC output can be routed to the analog stereo output pins, depending on the setting in the AOSR; see Section 7.3.18. A simplified setting is possible, if automatic FM dematrix switching (see Section 7 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 49 Analog output select register (subaddress 20 TVSM CSM2 Table 50 Description of the analog output select register bits BIT SYMBOL 7 TVSM Auto-select function: for TV applications, only in combination with bit IDSWFM = 1. If set to logic 1, it switches the matrix automatically depending on bits IDSTE and IDDUA for FM and the bits S/MB, D/SB for NICAM (see Sections 7 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 54 Auto-select function (bit TVSM = 1 and bit IDSWFM = 1): FM mode/NICAM mode for stereo DAC OUTPUT CHANNEL SELECTION MODE CSM2 CSM1 CSM0 Note don’t care. Signal source selection bits SDOS1 and SDOS0 must be set to logic 0X for FM mode (including FM mode by switching if auto-mute select is set to logic logic 01 for NICAM mode, when using the auto-select function ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 57 System clock frequency select SYSCL1 SYSCL0 7.3. BUS UTPUT ELECT This register is used to define both the signal source output at the I S-bus port and the mode of the digital matrix for signal selection. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder Table 61 Signal source left and right; note 1 ISS1 Note 1. The auto-select function is available only if bits ISS1 and ISS0 are set to logic 00 or 01. Table 62 Auto-select function (bit TVSMIIS = 1 and bit IDSWFM = 1): FM mode/NICAM mode for I ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 2 7.3. BUS UTPUT EVEL This register is used to adjust the output level at the I The default setting after Power-on reset is 0000 0000. 2 Table 63 I S-bus output level adjustment register (subaddress 23 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3.22 M DAC O S ONO UTPUT ELECT (MDACOSR) This register is used to define the signal source to be entered into the mono DAC. The mono DAC is used for signal output from digital sources. For the mono DAC output auto-matrix switching is always active ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.3. ASY TANDARD ROGRAMMING This register is used to simplify the setting of different TV 2 sound standards via the I C-bus. Writing to this register will overwrite the contents of registers with the settings needed to demodulate one of the standards shown in Table 68. After power-up, the default setting has no effect on the settings of registers ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.4 Slave transmitter mode As a slave transmitter, the TDA9874A provides 12 registers with status information and data, a part of which is for Philips internal purposes only. Each register is accessed by means of a subaddress. Detailed descriptions of the slave transmitter registers are given in Sections 7.4.1 to 7.4.9. ...
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Acrobat reader. white to force landscape pages to be ... Table 72 Overview of the slave transmitter registers SUBADDRESS (1) (DECIMAL ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.4 EVICE TATUS EGISTER Table 73 Device status register (subaddress P2IN P1IN Table 74 Description of the device status register bits BIT SYMBOL 7 P2IN Input from Port 2: this bit reflects the status of the general purpose port pin P2; ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.4.2 NICAM S R TATUS EGISTER Table 75 NICAM status register (subaddress Table 76 Description of the NICAM status register bits; notes 1 and 2 BIT SYMBOL 7 C4 NICAM application control bits: these bits correspond to the control bits the NICAM transmission ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.4.4 D DR1 ATA REGISTERS AND The contents of these two registers provide information on the additional data bits. AD byte 0 is stored at subaddress 3. Table 78 Data register DR1 (subaddress AD7 AD6 Table 79 Description of the data register DR1 bits BIT SYMBOL ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.4 EVEL EAD OUT EGISTERS These two bytes constitute a word that provides data from a location that has been specified with the monitor select register (see Section 7.3.4). The most significant byte of the data is stored at subaddress 5. Table 82 Level read-out register A (subaddress 5) ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 7.4 (TR2) EST EGISTER This register contains binary number, the highest subaddress used for slave receiver registers. The first version will have the identification 0010 1101. Table 86 Test register 2 (subaddress 252 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder handbook, full pagewidth SCK WS LSB MSB SDO handbook, full pagewidth SCK WS SDO LSB MSB 2000 Aug 04 LSB one sample S-bus format. LSB one sample b. MSB-aligned format. Fig.8 Serial audio interface formats. 50 Product specification TDA9874A ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 9 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER V DC supply voltage DDx V voltage differences between two V DDx I DC input clamp diode current output clamp diode current output type output source or sink current; output type 4 mA ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 11 CHARACTERISTICS settings in accordance with B/G standard; FM deviation 50 kHz amb parameters in accordance with system A2; NICAM in accordance with “EBU NICAM 728 specification” measurement source resistance for AF inputs; V level and gain settings according to note 1 with external components of Fig.9; unless otherwise specified. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder SYMBOL PARAMETER Z impedance between pins V (Vref2-VDDA3) and V DDA3 Z impedance between pins V (Vref2-VSSA3) and V SSA3 Digital inputs and outputs I NPUTS CMOS level input, high drive, pull-down (pins TEST1, TEST2, TP1 and TP2) V LOW-level input voltage IL V HIGH-level input voltage ...
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... Philips Semiconductors Digital TV sound demodulator/decoder SYMBOL PARAMETER C load capacitance L I 3-state leakage current LOZ SIF1 and SIF2 analog inputs V maximum composite SIF input SIF(max)(p-p) voltage before clipping (peak-to-peak value) V minimum composite SIF input SIF(min)(p-p) voltage for lower limit of AGC (peak-to-peak value) ...
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... Philips Semiconductors Digital TV sound demodulator/decoder SYMBOL PARAMETER S/N signal-to-noise ratio bandwidth 3dB f frequency response res kHz dual signal channel separation cs(dual) stereo channel separation cs(stereo) AM suppression for demodulation DENTIFICATION FOR SYSTEMS mod pilot modulation for identification ...
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... Philips Semiconductors Digital TV sound demodulator/decoder SYMBOL PARAMETER t total identification time off ident(off) Mono and external inputs V nominal level input voltage i(nom)(rms) (RMS value) V clipping level input voltage i(clip)(rms) (RMS value) R input resistance i Analog audio outputs V clipping level output voltage ...
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... Philips Semiconductors Digital TV sound demodulator/decoder SYMBOL PARAMETER Crystal specification (fundamental mode) f crystal frequency xtal C load capacitance L C series capacitance 1 C parallel capacitance 0 pulling sensitivity pull R equivalent series resistance R R equivalent series resistance of N unwanted mode T temperature range X adjustment tolerance J X drift ...
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Acrobat reader. white to force landscape pages to be ... Table 90 Level setting FM, AM and NICAM (full-scale) = 1.4 ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 12 APPLICATION DIAGRAMS handbook, full pagewidth 2.2 F 2 24.576 MHz All analog and digital supply ground pins are connected internally and should be connected via a massive external ground plate. (1) TP1, TP2, TEST1 and TEST2 should be connected to V (2) Lx: ferrite bead, e ...
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... TP1, TP2, TP3, TEST1 and TEST2 should be connected to V (2) Lx: ferrite bead, e.g. Murata type BLM 31A601S. 2000 Aug 04 external input 47 470 470 470 2 TDA9874AH (1) 8.2 k 24.576 (1) MHz during normal operation. SSD Fig.10 Application diagram (QFP44 version). 60 Product specification TDA9874A ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 13 PACKAGE OUTLINES SDIP42: plastic shrink dual in-line package; 42 leads (600 mil pin 1 index 1 DIMENSIONS (mm are the original dimensions UNIT max. min. max. mm 5.08 0.51 4.0 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder QFP44: plastic quad flat package; 44 leads (lead length 2.35 mm); body 2 pin 1 index DIMENSIONS (mm are the original dimensions) A UNIT max. 0.25 2.3 mm 2.60 0.25 0.05 2.1 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 14 SOLDERING 14.1 Introduction This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our “Data Handbook IC26; Integrated Circuit Packages” (document order number 9398 652 90011). There is no soldering method that is ideal for all IC packages ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 14.4 Suitability of IC packages for wave, reflow and dipping soldering methods MOUNTING Through-hole mount DBS, DIP, HDIP, SDIP, SIL Surface mount BGA, SQFP HLQFP, HSQFP, HSOP, HTSSOP, SMS (4) PLCC , SO, SOJ LQFP, QFP, TQFP SSOP, TSSOP, VSO Notes 1 ...
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... Specification may change in any manner without notice. This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 2000 Aug 04 NOTES 66 Product specification TDA9874A ...
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... Philips Semiconductors Digital TV sound demodulator/decoder 2000 Aug 04 NOTES 67 Product specification TDA9874A ...
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... Tel. +46 8 5985 2000, Fax. +46 8 5985 2745 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 5F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2451, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 60/14 MOO 11, Bangna Trad Road KM ...