Y ication. ange. R A I N specif t to ch MITSUBISHI ELECTRIC I Mot a finalre subjec L E P R s is n its a M62436FP lim hi e ; T metric c i t No para e som SRS F ( SOUND CONTROLLER WITH SRS FOCUS & SRS SURROUND ) cus, SRS 3D Stereo Sound Controller DESCRIPTION This is an IC for car audio. F( )cus system can realize more optimal speaker position. FEATURE Built-in F( )cus (Woofer position can be changed by the outside resisters.) Built-in SRS SRS ON/OFF mode and FOCUS ON/OFF mode can be controlled by the DC voltage. 36P2R RECOMMENDED OPERATING CONDITION Supply voltage range••••••••••Vcc=7 ~ 9V Rated supply voltage•••••••••••Vcc=8V SYSTEM BLOCK DIAGRAM Rear L Tone Rear R Tone M62419FP Lin Front L F( Rin )CUS Front R M62436FP Interface SRS FOCUS ON/OFF ON/OFF MITSUBISHI ELECTRIC FOCUS Position H/L (1/10) Cref 1 36 - IN 2 35 IN 3 REF 0.018µ C1 4 33 SRS OUT 34 C6 470p NP C7 6 FOCUS IN 31 30 8 9 0.01µ C2 C3 10 27 0.82µ C13 0.0039µ 28 200 C10 R16 R17 7 2.2µ 0.22µ 390 NP 29 FOCUS IN R15 470p 5 32 390 200 C9 R13 R14 2.2µ 0.22µ 390 390 VCC SRS OUT 2.2µ + 10µ Block Diagram & Application Example R18 MITSUBISHI ELECTRIC (2/10) 2.2µ 11 26 C12 13 0.0039µ 12 C9 23 0.01µ 22 2.2µ 15 2.4K 390p R41 C16 14 )CUS 0.1µ 24 C6 F( 25 R39 C17 2.4K 390p OUT OUT 2.2µ 16 21 17 I/F 20 SRS FOCUS ON/OFF ON/OFF FOCUS Position H/L 18 19 N.C. ABSOLUTE MAXIMUM RATINGS Symbol Parameter Conditions Ratings Unit 12 V Vcc,Vdd Supply Voltage Pd Power Dissipation Ta≤25 1120 mW K Thermal Derating Ta>25 1.12 mW/°C Topr Operating Temperature -20 ~ +75 °C Tstg Storage Temperature -55 ~+ 125 °C Thermal Derating 1200 Power Dissipation Pd [ mW ] 1120 1000 800 600 450 400 200 25 50 75 85 100 125 150 AMBIENT TEMPERATURE Ta [ C ] MITSUBISHI ELECTRIC (3/10) ÉAÉiÉçÉOâÒòHìdó¨ ELECTRICAL CHARACTERISTICS AIdd (1) Power Supply Characteristics Parameter Symbol (Ta=25°C,Vcc=8.0V, f=1kHz) Limit Conditions Min Circuit Current 36pin Icc Icc No Signal Unit typ Max 22 45 mA (2) Input / Output Characteristics Ta=25°C,Vcc=8.0V, f=1kHz R13=R16=390,R14=R17=200 R15=R18=390 Parameter Maximum Output Voltage Symbol VOMt VIM1 Maximum Input Voltage VIM2 VIM3 Gvt Gv1 Pass Gain Gv2 Gv3 Output Noise Voltage Input; pin2,35 Output; pin16, 22 RL=10KΩ,THD=1% Input; pin2,35 /Output; pin16, 22 f=150Hz SRS ON,FOCUS OFF THD=1% Input; pin2,35 /Output; pin16, 22 f=1KHz SRS ON FOCUS Position"H" ON THD=1% f=20KHz typ 1.6 1.9 Unit Max Vrms 0.32 0.65 Vrms 0.25 0.5 0.2 0.4 -2.0 0 2.0 7 10 13 f=1KHz 10 13 16 f=20KHz 12 15 18 5.0 15 Vi=100mVrms SRS, Focus OFF Input; pin2,35 /Output; pin16, 22 Vi=100mVrms Input; pin2,35 /Output; pin16, 22 f=150Hz SRS ON,FOCUS OFF Vi=100mVrms SRS ON FOCUS Position"H" ON (2pin,35pin)-(16, 22Pin) Min dB Vno1 Rg=0(2,35pin) SRS OFF ,FOCUS DIN-AUDIO filter Vno2 Rg=0(2,35pin) SRS ON ,FOCUS DIN-AUDIO filter OFF 18 40 Rg=0(2,35pin), SRS ON, FOCUS DIN-AUDIO filter Position"H" ON 50 90 -90 -75 Vno3 Channel Separation Limit Conditions CT OFF Input Side:f=1KHz,Vi=0.5Vrms Monitor Side:Rg=0, IHF-A filter Focus:OFF, SRS:OFF RL=10KΩ MITSUBISHI ELECTRIC µVrms dB (4/10) (3) DC Control Characteristic of the Switch Block Limit typ Max Symbol Parameter Condition V IH "H" Level Input Voltage Pin 18,20,21 2.1 ~ Vcc V V IL "L" Level Input Voltage Pin 18,20,21 0 ~ 0.8 V MITSUBISHI ELECTRIC Min Unit (5/10) Switch Condition and the Mode 21 SRS 3D Stereo SRS ON/OFF Switch SRS OFF H L 18 FOCUS Position FOCUS H/L Switch FOCUS position "H" H L SRS ON FOCUS position "L" 20 FOCUS FOCUS ON FOCUS OFF FOCUS ON/OFF Switch H L *Bypass mode can be set by both SRS ON/OFF switch and FOCUS ON/OFF switch are set to "L". MITSUBISHI ELECTRIC (6/10) Regarding to the outside registers R16(R13),R17(R14),R18(R15) The resisters of R16(R13),R17(R14),R18(R15) can be set the FOCUS position. *This figure shows only the side channel. C10 7 0.22µ R16 8 FOCUS position "H" 9 FOCUS position "L" R17 R18 29 1. The setting of the FOCUS position "H" R17 + R18 R16 +R17 + R18 2. The setting of the FOCUS position "L" R18 R16 +R17 + R18 *please keep the following formula. . R16+R17+R18 =. 1KΩ (Example) In the case of R16 = 390Ω,R17 = 200Ω,R18 = 390Ω . FOCUS position "H" .=. 60% FOCUS position "L" =. 40% MITSUBISHI ELECTRIC (7/10) Between Pin14(26) and Pin15(25) Add 10K of resistors between Pin14(26) and Pin15(25), can adjust the difference between the sound level of Focus ON and the sound level of Focus OFF. Also add 10K of resistors between Pin14(26) and Pin15(25),can decrease the Focus gain. Then the maximum input voltage and the output noise voltage can be improved. (Reference) In the case of Parameter Maximum Output Voltage R13=R16=390,R14=R17=200,R15=R18=390 Add 10Kof resistors between Pin14(26) and Pin15(25) Symbol VOMt VIM1 Maximum Input Voltage VIM2 VIM3 Gvt Gv1 Pass Gain Gv2 Gv3 Output Noise Voltage Channel Separation Typ. Conditions Input; pin2,35 Output; pin16, 22 RL =10KΩ,THD=1% 1.9 Input; pin2,35 /Output; pin16, 22 f=150Hz SRS ON,FOCUS OFF THD=1% Input; pin2,35 /Output; pin16, 22 f=1KHz SRS ON FOCUS Position"H" ON THD=1% f=20KHz Vi=100mVrms SRS, Focus OFF Input; pin2,35 /Output; pin16, 22 0.65 0.85 Vrms 0.67 10 dB f=1KHz 7 f=20KHz 9 Vno1 Rg=0(2,35pin) SRS OFF ,FOCUS DIN-AUDIO filter Vno2 Rg=0(2,35pin) SRS ON ,FOCUS DIN-AUDIO filter OFF 18 Vno3 Rg=0(2,35pin), SRS ON, FOCUS DIN-AUDIO filter Position"H" ON 30 CT Input Side:f=1KHz,Vi=0.5Vrms Monitor Side:Rg=0, IHF-A filter Focus:OFF, SRS:OFF RL=10KΩ MITSUBISHI ELECTRIC Vrms 0 Vi=100mVrms Input; pin2,35 /Output; pin16, 22 f=150Hz SRS ON,FOCUS OFF Vi=100mVrms SRS ON FOCUS Position"H" ON (2pin,35pin)-(16, 22Pin) Unit OFF 5.0 -90 µVrms dB (8/10) System Circuit Example (The following figures show only the side channel.) 1. In the case of SRS 3D stereo is effective for the front speakers. M62419FP/M62440FP Front Fader TONE M62436FP SRS FOCUS Front Master Volume Rear Fader Rear 2. In the case of SRS 3D stereo is effective for the front and rear speakers. (FOCUS is effective for the front speakers.) M62436FP M62419FP/M62440FP Front Fader TONE SRS FOCUS Front Master Volume Rear Fader Rear MITSUBISHI ELECTRIC (9/10) NOTE Each switches (SRS ON/OFF, FOCUS ON/OFF and FOCUS Position H/L Switches) does not have the countermeasure for click noise, so that we recommend outside mute circuit. SRS,the SRS logo,Sound Retrieval System and "everything else is only stereo" are registered trademarks of SRS Labs, Inc. This device available only to licensees of SRS Lab,Inc. Licensing and application information may be obtained from SRS Lab, Inc. Mitsubishi Electric Corporation assumes no responsibility for any damage,or infringement of any third-party's rights, originating in the use of any product data, diagrams, charts or circuit application examples contained in these materials. MITSUBISHI ELECTRIC (10/10)