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| MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR Simplified SRS 3D Sound Processor OUTLINE M62438FP is an SRS 3D sound processor for PC, TV and audio equipment. This IC has only simplified SRS circuit and packed in a small 10-pin SOP. FEATURES * SRS 3D sound circuit * SRS on/off function switch included PACKAGE OUTLINE 10Pin SOP APPLICATION * PC, TV, Mini Stereo, etc RECOMMENDED OPERATING CONDITION 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. Note !! * Supply voltage range * Rated supply voltage 4.5 to 12.0V 9V SYSTEM BLOCK DIAGRAM L SRS 3D Sound R on/off 1 MITSUBISHI ELECTRIC ( 1 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR BLOCK DIAGRAM GND OUT R 6 CNTL SRS 3D SOUND 5 4 3 2 REF MITSUBISHI ELECTRIC FILTER OUT L 7 DIFF 8 IN L IN R REF IN 10 9 Vcc 1 ( 2 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR ABSOLUTE MAXIMUM RATINGS Symbol Vcc Pd K Topr Tstg Parameter Supply Voltage Power Dissipation Thermal Derating Operating Temperature Storage Temperature Conditions Ratings 13.0 Unit V mW mW/C C C Ta<25 Ta>25 400 4 -20 to 75 -40 to 125 Thermal Derating 500 Power Dissipation Pd [ mW ] 400 300 200 100 25 50 75 100 125 150 AMBIENT TEMPERATURE Ta [ C ] MITSUBISHI ELECTRIC ( 3 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR RECOMMENDED OPERATING CONDITION Symbol Vcc VIH VIL Parameter Supply Voltage High Level Input Voltage Low Level Input Voltage Pin-7 (SRS on) Pin-7 (SRS off) Conditions Min. 4.5 2.1 0 Typ. Max. 9.0 12.0 VDD 0.8 Unit V V V ELECTRICAL CHARACTERISTICS (1) Power Supply Characteristics Symbol Icc Parameter Circuit Current Conditions Min. Typ. Max. 15 30 Unit mA (2) -1 Input / Output Characteristics (Vcc=9V, Ta=25C, Vi=500mVrms) Symbol Gv1 Gv2 Gv3 Gv4 VOM THD Parameter Input - Output Voltage Gain1 Input - Output Voltage Gain2 Input - Output Voltage Gain3 Input - Output Voltage Gain4 Conditions Input Output f=1kHz f=1kHz RL=10K RL=10K Conditions SRS off SRS on SRS on SRS on SRS on/off SRS off Limit Min. Typ. Max. Unit dB dB dB dB Vrms -3 0 +3 +9.5 +3.5 +6.5 f=100Hz RL=10K f=10KHz RL=10K THD=1% IHF-A filter RL=10K +9.5 +12.5 +15.5 +7 1.8 +10 2.2 +13 Maximum f=1kHz Output Voltage Total Harmonic Distortion Output Noise Voltage1 Output Noise Voltage2 f=1kHz DIN-A filter Vi=-10dBv RL=10K IHF-A filter IHF-A filter 0.01 0.05 % VNO1 VNO2 SRS off SRS on 5 50 10 Vrms 100 Vrms MITSUBISHI ELECTRIC ( 4 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR APPLICATION EXAMPLE IN L SRS on/off 22F OUT L GND 2.2 2.2 10 9 8 7 6 REF SRS 3D SOUND 1 2 2.2 1K 3 0.47 4 5 2.2 VCC 100K 1.5K 31.6K IN R 4.7K 47K 0.47 OUT R 0.0047 3.6K Unit R: C: F MITSUBISHI ELECTRIC ( 5 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR Keep safety first in your circuit designs ! * Mitsubishi Electric Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them.Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, in order to prevent fires from spreading, redundancy, malfunction or other mishap. Notes regarding these materials * These materials are intended as a reference to assist our customers in the selection of the Mitsubishi semiconductor product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Mitsubishi Electric Corporation or a third party. * 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. * If these products or technologies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination. Any diversion or reexport contrary to the export control laws and regulations of Japan and/or the country of destination is prohibited. MITSUBISHI ELECTRIC ( 6 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP Space Volume as a Function of Add External R. 100 90 SRS effect : Space Volume setting [%] 80 70 Space vol setting 60 50 40 30 20 10 0 0 20 40 60 80 100 Add External R Value (Between Pin 4 and 31.6 k) [k] MITSUBISHI ELECTRIC ( 7 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP Voltage Gain--Frequency Ta=25C,Vcc=9V,RL=10K,SRS-OFF 40 30 20 10 0 -10 Voltage Gain [dB] -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 0.01 Lin-->Lout Lin-->Rout 0.1 1 10 100 Frequency [KHz] MITSUBISHI ELECTRIC ( 8 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP Vo - Vi Ta=25C,BW=400 to 30KHz,RL=10K 10 Output Voltage : Vo [Vrms] 1 0.1 Vcc=12V Vcc=9V Vcc=8V Vcc=5V 0.01 0.01 0.1 1 10 Input Voltage : Vi [Vrms] MITSUBISHI ELECTRIC ( 9 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP Vomax-RL Ta=25C,THD=1%(BW=400 to 30KHz) 10 Maximum Output Voltage : Vomax [Vrms] 1 0.1 Vcc=12V Vcc=9V Vcc=8V Vcc=5V 0.01 0.1 1 10 100 Load Resistance : RL [K] MITSUBISHI ELECTRIC ( 10 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP THD--Vo Ta=25C,Vcc=9V,BW=400 to 30KHz,RL=10K,SRS-OFF 10 Total Harmonic Distortion : THD [%] 1 0.1 0.01 0.001 0.01 0.1 1 10 M62438FP Output Voltage [Vrms] MITSUBISHI ELECTRIC ( 11 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP No - Vcc Ta=25C,Vcc=9V,Vi=0mVrms(Rg=0),JIS-A filter 70 60 Output Noise Voltage : No [uVrms] 50 40 30 20 SRS-OFF SRS-ON 10 0 4 5 6 7 8 9 10 11 12 13 Supply Voltage : Vcc [V] MITSUBISHI ELECTRIC ( 12 / 12 ) |
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