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INTEGRATED CIRCUITS
DATA SHEET
TDA9605H
Audio processor with head amplifier
for VHS hi-fi
1999 Apr 14
Product specification
File under Integrated Circuits, IC02
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H CONTENTS 7.8 Volume bytes at subaddresses 04H, 05H and 06H 1 FEATURES 7.8.1 Left and right volume control 7.9 Power byte at subaddress 07H 2 GENERAL DESCRIPTION 7.9.1 Calibration start 3 ORDERING INFORMATION 7.9.2 DC output voltage selection 4 BLOCK DIAGRAM 7.9.3 Test mode 5 PINNING 7.9.4 Power-on reset 7.9.5 Head amplifier disable 6 FUNCTIONAL DESCRIPTION 7.9.6 Power muting 6.1 Record-mute mode
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 1 FEATURES 2 • All functions controlled via the serial 2-wire I C-bus • Integrated standby modes for low power consumption • Audio FM head amplifier: – Programmable recording current 2 GENERAL DESCRIPTION – Programmable playback amplification – Fast record-mute mode control input. The TDA9605H is a single-chip device in a small package that contains all the required functions, including the head
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 4 BLOCK DIAGRAM ndbook, full pagewidth 1999 Apr 14 4 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated cor
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 5 PINNING SYMBOL PIN DESCRIPTION SYMBOL PIN DESCRIPTION SAP 1 tuner input mono DCL 25 DC decoupling noise reduction connection left TUNL 2 tuner input left DETL 26 detector noise reduction connection TUNR 3 tuner input right left CINL 4 CINCH input left GND 27 ground CINR 5 CINCH input right I 28 reference standard current connection ref EXT1L 6 external 1 input left V 29 reference voltage connec
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H handbook, full pagewidth SAP 1 33 DCFBR TUNL 2 32 EMPHR TUNR 3 31 DCR CINL 4 30 DETR CINR 5 29 V ref EXT1L 6 28 I ref TDA9605H EXT1R 7 GND 27 EXT2L 8 26 DETL EXT2R 9 25 DCL AUXL 10 24 EMPHL AUXR 11 23 DCFBL MGR835 Fig.2 Pin configuration. 6 FUNCTIONAL DESCRIPTION Input and output selections for the various modes are given in the following diagrams: • Standard operating mode (see Fig.3) • Dub-mix
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H ook, full pagewidth - - 1999 Apr 14 7 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when bro
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H k, full pagewidth - - 1999 Apr 14 8 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when brows
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H handbook, full pagewidth 1999 Apr 14 9 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when br
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 6.1 Record-mute mode or head identification The state of the RM control signal on pin RMHID is don’t care in the playback mode. selection 2 I C-bus control bits HAC2, HAC1 and HAC0 offer a wide Pin RMHID allows input of two independent digital control selection of playback amplification to fit different head and signals for selecting the record-mute or head identification head transformer specific
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H Table 2 Selection of recording modes The DC bias current on pin RECOUT is changed proportional to the selected recording current for RM LEVEL ON optimizing the performance and minimizing the power RECORD MODE SIGNAL PIN RMHID consumption for each recording current selected. LOW lower than 2.35 V record or record-mute A Boucherot damping circuit is connected between mode as defined by pin HMSW and
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 6.5 Automatic calibration frequency difference between the left and right channel carrier near to 401.2 kHz. This value effectively reduces The integrated auto-calibration system is activated by the crosstalk from hi-fi carriers to video colour signal as means of bit CALS of the power byte (see Fig.7). present during Extended Play (EP) tape speed. NTSC The auto-calibration system ensures hi-fi pr
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H Otherwise, the audio envelope output voltage may 6.6 Power muting become >2.5 V which makes it impossible to detect the Switching off and on of the power supply voltage or using completion of the calibration on pin ENVOUT. the built-in passive standby mode results in rising and Calibration relies upon the frequency accuracy of the HID dropping of the output DC voltages and causes strong control s
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H During power muting the internal output signal is also 6.7 Envelope output muted. After the output DC voltage has been established Pin ENVOUT is an analog output for stereo audio level power muting can be de-activated by setting bit MUTE = 0. (e.g. level meter display) and for playback FM carrier level Now the mute switches are opened resulting in a (e.g. auto-tracking). The functional diagram is
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H handbook, full pagewidth RM RMHID HID t d left channel audio: SAMPLE RESET output select FULL-WAVE SQUARE ROOT SAMPLE- RECTIFIER COMPRESSION hi-fi PEAK HOLD AND-HOLD right channel audio: ENVOUT SAMPLE RESET output select FULL-WAVE SQUARE ROOT AF SAMPLE- RECTIFIER COMPRESSION PEAK HOLD envelope hi-fi AND-HOLD EOS • AFM EOS • AFM HF envelope 1.3 or 1.4 MHz carrier HF LEVEL DETECTOR 1.7 or 1.8 MHz
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H MGR846 MGR847 5 5 handbook, halfpage handbook, halfpage ENVOUT ENVOUT output output voltage voltage 4 4 (V) (V) 3 3 2 2 1 1 0 0 - 1 2 3 10 110 10 10 - 40 - 30 - 20 - 10 0 10 left channel carrier amplitude (RMS value) (mV) LINEL and LINER output level (dBV) 1.3 MHz (NTSC) or 1.4 MHz (PAL) at internal node between head Bit LOH = 0. amplifier and HF AGC. Fig.11 HF envelope output (playback carrier
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 6.9 Audio dubbing The circuit changes into a mixing desk when using the dub-mix mode of the input select function in combination The TDA9605H includes unparalleled functionality with the volume setting of normal select. A new linear supporting the audio dubbing function of hi-fi video audio recording can be created by mixing together the new recorders. Audio dubbing is a feature which enables the
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 2 7I C-BUS PROTOCOL 7.1 Addresses and data bytes 2 Full control of the TDA9605H is accomplished via the 2-wire I C-bus. Bus speeds up to 400 kbits/s can be used in 2 accordance with the I C-bus fast-mode specification. Seven data byte registers are available for programming the device (write mode) and one data byte register is available for reading data from the device (read mode). The registers
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H 7.2 Valid transmissions to and from the TDA9605H Table 7 Examples of valid transmissions FUNCTION DATA TRANSFER SEQUENCE Write START, B8H, 00H, data for 00, STOP Write with auto-increment START, B8H, 00H, data for 00, data for 01, data for 02, STOP Write with auto-increment ‘wrap-around’ START, B8H, 07H, data for 07, data for 00, data for 01, STOP Write without auto-increment START, BBH, F6H, dat
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Philips Semiconductors Product specification Audio processor with head amplifier for VHS hi-fi TDA9605H FUNCTION MODES CONTROL BITS Playback head amplifier disable standard operating mode and playback HPD disabled Power output muting power mute MUTE Operating mode standard operating mode, active standby STBP and STBA and passive standby 7.4 Control byte at subaddress 00H The control byte is used to set the parameters of hi-fi processing and head amplifier control. 7.4.1 AUDIO FM MODE Bit AFM control
