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Philips TDA9605H Datasheet

Philips audio processor with head amplifier data sheet.
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DATA SHEET
TDA9605H
Audio processor with head amplifier
for VHS hi-fi
Product specification
File under Integrated Circuits, IC02
INTEGRATED CIRCUITS
1999 Apr 14

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   Summary of Contents for Philips TDA9605H

  • Page 1 DATA SHEET TDA9605H Audio processor with head amplifier for VHS hi-fi Product specification File under Integrated Circuits, IC02 INTEGRATED CIRCUITS 1999 Apr 14...
  • Page 2: Table Of Contents

    RF converter output Audio dubbing 6.9.1 Output mix 6.9.2 Input mix C-BUS PROTOCOL Addresses and data bytes Valid transmissions to and from the TDA9605H Overview of the TDA9605H I Control byte at subaddress 00H 7.4.1 Audio FM mode 7.4.2 Playback mode 7.4.3 Record mode 7.4.4...
  • Page 3: Features

    1999 Apr 14 C-bus GENERAL DESCRIPTION The TDA9605H is a single-chip device in a small package that contains all the required functions, including the head amplifier, to realize the audio FM hi-fi stereo system in a VHS video recorder (see Fig.1). The device is adjustment free by use of an integrated auto-calibration system.
  • Page 4 HF LFP FM (DE-)MODULATOR AUTN output select envelope output select record I/O CONTROL PEAK HOLD PEAK HOLD normal input level TDA9605H LINOUT LININ Fig.1 Block diagram. V ref I ref SUPPLY NOISE REDUCTION DETECTOR DETL RECTIFIER EMPHL DCFBL EXPANDER DETECTOR...
  • Page 5: Tunl

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi PINNING SYMBOL PIN DESCRIPTION tuner input mono TUNL tuner input left TUNR tuner input right CINL CINCH input left CINR CINCH input right EXT1L external 1 input left EXT1R external 1 input right...
  • Page 6: Functional Description

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi handbook, full pagewidth TUNL TUNR CINL CINR EXT1L EXT1R EXT2L EXT2R AUXL AUXR FUNCTIONAL DESCRIPTION Input and output selections for the various modes are given in the following diagrams: Standard operating mode (see Fig.3) Dub-mix mode (see Fig.4)
  • Page 7: Cinl

    white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... TUNL input select TUNR TUNER CINL CINR CINCH EXT1L EXT1 EXT1R EXT2 EXT2L EXT2R AUXL DUB MIX AUXR...
  • Page 8: Cinr

    white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... TUNL input select TUNR CINL CINR EXT1L EXT1R EXT2L EXT2R AUXL DUB MIX AUXR Dub-mix mode: IS2 = 1, IS1 = 0 and IS0 = 1.
  • Page 9: Ext1l

    white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... TUNL input select TUNR CINL CINR EXT1L EXT1R MUTE EXT2L EXT2R AUXL AUXR a. Active standby mode (bit STBA = 1, bit STBP = 0); over 80% power reduction. TUNL input select TUNR...
  • Page 10: Record-mute Mode Or Head Identification

    10 k resistor and the HID control signal is selected via a 18 k resistor. This set-up enables the two signals within the TDA9605H to be separated. The RM control signal is only in use during the record mode (bit AFM = 1);...
  • Page 11: Record Mode

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Table 2 Selection of recording modes LEVEL ON SIGNAL PIN RMHID lower than 2.35 V HIGH higher than 2.65 V record-mute mode 6.4.3 ECORD MODE The record mode is selected by setting bit AFM = 1 and setting bits DOC, SHH and DETH from logic 001 to 111 and switching the RM control signal to LOW-level.
  • Page 12: Automatic Calibration

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Automatic calibration The integrated auto-calibration system is activated by means of bit CALS of the power byte (see Fig.7). The auto-calibration system ensures hi-fi processing is well in accordance with the VHS hi-fi system standard by an automated adjustment of carrier frequencies, band-pass filters and noise reduction filters.
  • Page 13: Power Muting

    DC voltages and causes strong disturbances on the output pins. The TDA9605H includes three integrated mute switches to block such disturbances so avoiding the need for an external mute circuit. Pop-free...
  • Page 14: Envelope Output

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi During power muting the internal output signal is also muted. After the output DC voltage has been established power muting can be de-activated by setting bit MUTE = 0. Now the mute switches are opened resulting in a high-impedance path of 100 k to ground.
  • Page 15 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi handbook, full pagewidth left channel audio: output select FULL-WAVE RECTIFIER hi-fi right channel audio: output select FULL-WAVE RECTIFIER hi-fi EOS • AFM Fig.9 Functional diagram of the envelope output circuit.
  • Page 16: Rf Converter Output

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi handbook, halfpage ENVOUT output voltage left channel carrier amplitude (RMS value) (mV) 1.3 MHz (NTSC) or 1.4 MHz (PAL) at internal node between head amplifier and HF AGC. Fig.11 HF envelope output (playback carrier level).
  • Page 17: Audio Dubbing

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Audio dubbing The TDA9605H includes unparalleled functionality supporting the audio dubbing function of hi-fi video recorders. Audio dubbing is a feature which enables the recording of new sound material on the linear audio track (i.e.
  • Page 18: I C-bus Protocol

    Audio processor with head amplifier for VHS hi-fi C-BUS PROTOCOL Addresses and data bytes Full control of the TDA9605H is accomplished via the 2-wire I 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).
  • Page 19: Valid Transmissions To And From The Tda9605h

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Valid transmissions to and from the TDA9605H Table 7 Examples of valid transmissions FUNCTION Write Write with auto-increment Write with auto-increment ‘wrap-around’ Write without auto-increment Read Read (continued) Overview of the TDA9605H I...
  • Page 20: Control Byte At Subaddress 00h

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi FUNCTION Playback head amplifier disable Power output muting Operating mode Control byte at subaddress 00H The control byte is used to set the parameters of hi-fi processing and head amplifier control.
  • Page 21: Record Mode

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.4.3 ECORD MODE During the record-mute mode, the recording output current on pin RECOUT is muted and the head amplifier is partly disabled. The record mode, set by I signal on pin RMHID. Sometimes the record-mute mode is named loop-through mode or EE mode.
  • Page 22: Head Amplifier Playback Amplification

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.4.5 EAD AMPLIFIER PLAYBACK AMPLIFICATION Eight settings of playback amplification can be selected for the head amplifier. The amplification values are valid for the head signals from pins PBIN1 or PBIN2 to the internal node between the head amplifier and HF AGC circuit. The setting of the playback amplification results in a selection of the hi-fi detection level (auto-normal function).
  • Page 23: Ext1r

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Select byte at subaddress 01H The select byte is used for decoder output select, record current range select and linear audio volume control. 7.5.1 ECODER OUTPUT SELECT By setting bit DOS = 0 of the output byte, the decoder output signal on pins DECL and DECR is defined by the output select function.
  • Page 24: Normal Input Level

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.5.3 ORMAL INPUT LEVEL Fifteen settings of amplification and mute can be selected for the linear audio input signal on pin LININ. The normal input level control can replace the manual adjustment of the playback level at the linear audio circuit.
  • Page 25: Normal Select

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.6.2 ORMAL SELECT The normal select function defines which of the input signals is forwarded to pin LINOUT for the connection to an external linear audio circuit. Table 19 Normal select (bits NS2, NS1 and NS0) Note 1.
  • Page 26: Envelope Output Select

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Table 21 Output select normal, right and left (bits OSN, OSR and OSL) Note 1. Power-on reset state. In case the dub-mix mode is selected via the input select function, the performance of mix-left, mix-right and mix-stereo modes is changed to support audio dubbing input mixing.
  • Page 27: Volume Bytes At Subaddresses 04h, 05h And 06h

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.7.4 INE OUTPUT SELECT An independent selection of the input signals from pins EXT2L and EXT2R to the line outputs on pins LINEL and LINER is offered by the line select function.
  • Page 28: Power Byte At Subaddress 07h

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Table 27 Volume left sign (bit VLS), volume left (bits VL5 to VL0), volume right sign (bit VRS) and volume right (bits VR5 to VR0); note 1 Notes 1. X = don’t care.
  • Page 29: Test Mode

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.9.3 EST MODE Several special tests can be selected for test, evaluation and measurement purposes. The selection of these tests is made by setting bit HRL and bits NIL3 to NIL0.
  • Page 30: Standby Select

    The selected output signal is muted during the active standby mode. The TDA9605H is switched in the minimum power passive standby mode by setting bit STBP = 1. All circuits are switched inactive to obtain minimum power consumption except for the power mute circuit, the I input reference buffer (i.e.
  • Page 31: Calibration Error

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 7.10.3 ALIBRATION ERROR An unreliable calibration result is indicated when reading bit CALE = 1. The calibration result is not reliable when during calibration the control signal on pin RMHID is disturbed due to an external cause.
  • Page 32: Limiting Values

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL PARAMETER supply voltage head amplifier supply voltage storage temperature operating ambient temperature electrostatic handling voltage latch-up protection current on...
  • Page 33: Record-mute Mode Characteristics

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL PARAMETER Internally generated voltage levels DC voltage on pins SAP, TUNL, TUNR, CINL, CINR, EXTL1, EXTLR, AUXL, AUXR, LININ and RFCOUT DC voltage on pin LINOUT DC voltage on pins LINEL,...
  • Page 34 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL PARAMETER channel balance noise level mute volume mute(v) mute output mute(o) crosstalk between channels ct(ch) crosstalk between input ct(ch)(i) channels RF converter output: pin RFCOUT output voltage total harmonic distortion...
  • Page 35: Record Mode Characteristics

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 12 RECORD MODE CHARACTERISTICS = 12 V; T = 25 C; tuner audio input level 8 dBV at f = 1 kHz; auto-calibrated; measured in typical application circuit of Fig.14; unless otherwise specified.
  • Page 36: Playback Mode Characteristics

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 13 PLAYBACK MODE CHARACTERISTICS = 12 V; T = 25 C; measured in typical application circuit of Fig.14; unless otherwise specified. SYMBOL PARAMETER Play back input on pins PBIN2 and PBIN1...
  • Page 37 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL PARAMETER Hi-fi detector (bit AUTN) threshold level (RMS value) th(rms) accuracy of threshold level th(acc) switch-on delay d(sw) Hi-fi dropout cancelling (bit DOC) threshold level switch-off delay d(sw) Head switching noise suppression...
  • Page 38 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL PARAMETER Envelope output: pin ENVOUT output voltage FM demodulator and noise reduction: pins LINEL and LINER output voltage channel balance Notes 1. Amplitude modulated single carrier signal of 60 mV (RMS) on pin HMSW; for playback mode HPD = 1. Control bandwidth is defined as the modulation frequency at which the amplitude modulation is attenuated with 3 dB by the HF AGC.
  • Page 39 AUTN output select volume right envelope output select record I/O CONTROL PEAK HOLD PEAK HOLD normal input level TDA9605H 10 F 220 nF 3.3 M linear audio Fig.14 Application diagram. 39 k 2.2 F (2%) SUPPLY NOISE REDUCTION 10 F...
  • Page 40: Rm And Hid Control Signals

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 14.1 RM and HID control signals To assure proper input conditions on pin RMHID the RM and HID control signals (see Fig.15) should satisfy the requirements given in Table 39.
  • Page 41: Setting Line Output Level

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 14.3 Setting line output level The audio level can be set by selecting the external filter components connected to the emphasis noise reduction pins 24 and 32 (pins EMPHL and EMPHR).
  • Page 42 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi Table 41 Test modes for evaluation and measurement purposes TEST HRL NIL3 NIL2 NIL1 NIL0 Notes 1. This test can be used with a HIGH-level input signal by setting bit HPD = 1; test input signal applied to pin HMSW.
  • Page 43: Internal Circuitry

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 15 INTERNAL CIRCUITRY The indicated DC voltages are given for the record-mute mode in the typical application circuit without audio signal; unless otherwise specified. SYMBOL VOLTAGE 3.8 V TUNL TUNR...
  • Page 44 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL VOLTAGE LINOUT 4.5 V LININ 3.8 V DCFBL 3.8 V DCFBR EMPHL 3.8 V EMPHR 3.8 V 1999 Apr 14 EQUIVALENT CIRCUIT 30 k 17.7 k 3.8 V 96.4 k...
  • Page 45 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL VOLTAGE DETL 0.7 V DETR 3.8 V 9 to 12 V 1999 Apr 14 EQUIVALENT CIRCUIT V CC 7.5 k 0.5 V substrate MGR860 3.8 V from reference generator (3.8 a) V...
  • Page 46 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL VOLTAGE PBIN2 0.7 V; 4.3 V (recording) RECOUT PBIN1 HMSW 0 V; 4.3 V (recording) GNDH 1999 Apr 14 EQUIVALENT CIRCUIT V CCH playback or record-mute mode V CC...
  • Page 47 Philips Semiconductors Audio processor with head amplifier for VHS hi-fi SYMBOL VOLTAGE RMHID 0 to 5 V 0 or 5 V 0 or 5 V ENVOUT 1999 Apr 14 EQUIVALENT CIRCUIT V CC 2.5 V 0.8 V 4.05 V bit ACK...
  • Page 48: Package Outline

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 16 PACKAGE OUTLINE QFP44: plastic quad flat package; 44 leads (lead length 1.3 mm); body 10 x 10 x 1.75 mm pin 1 index DIMENSIONS (mm are the original dimensions) UNIT max.
  • Page 49: Soldering

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 17 SOLDERING 17.1 Introduction to soldering surface mount packages 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;...
  • Page 50: Suitability Of Surface Mount Ic Packages For

    Philips Semiconductors Audio processor with head amplifier for VHS hi-fi 17.5 Suitability of surface mount IC packages for wave and reflow soldering methods PACKAGE BGA, SQFP HLQFP, HSQFP, HSOP, HTSSOP, SMS not suitable PLCC , SO, SOJ LQFP, QFP, TQFP...
  • Page 51: Definitions

    Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
  • Page 52 Switzerland: Allmendstrasse 140, CH-8027 ZÜRICH, Tel. +41 1 488 2741 Fax. +41 1 488 3263 Taiwan: Philips Semiconductors, 6F, No. 96, Chien Kuo N. Rd., Sec. 1, TAIPEI, Taiwan Tel. +886 2 2134 2886, Fax. +886 2 2134 2874 Thailand: PHILIPS ELECTRONICS (THAILAND) Ltd., 209/2 Sanpavuth-Bangna Road Prakanong, BANGKOK 10260, Tel.

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