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. PACKAGE OUTLINE FEATURES 10Pin SOP • SRS 3D sound circuit • SRS on/off function switch included Note !! APPLICATION • PC, TV, Mini Stereo, etc RECOMMENDED OPERATING CONDITION • Supply voltage range • Rated supply voltage 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. 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 5 4 FILTER 3 DIFF 2 SRS 3D SOUND MITSUBISHI ELECTRIC OUT R IN R 1 9 REF IN REF IN L 10 OUT L 7 CNTL 8 GND 6 BLOCK DIAGRAM Vcc ( 2 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR ABSOLUTE MAXIMUM RATINGS Symbol Parameter Conditions Vcc Supply Voltage Pd Power Dissipation K Thermal Derating Topr Tstg Ratings Unit 13.0 V Ta<25 400 mW Ta>25 4 mW/°C Operating Temperature -20 to 75 °C Storage Temperature -40 to 125 °C Thermal Derating Power Dissipation Pd [ mW ] 500 400 300 200 100 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 Parameter Conditions Min. Typ. Max. 4.5 9.0 Unit 12.0 V 2.1 VDD V Pin-7 (SRS off) 0 0.8 V Conditions Min. Vcc Supply Voltage VIH High Level Input Voltage Pin-7 (SRS on) VIL Low Level Input Voltage ELECTRICAL CHARACTERISTICS (1) Power Supply Characteristics Symbol Icc Parameter Circuit Current Typ. Max. Unit 15 mA 30 (2) -1 Input / Output Characteristics (Vcc=9V, Ta=25°C, Vi=500mVrms) Conditions Input Output Conditions Limit Symbol Parameter Gv1 Input - Output Voltage Gain1 f=1kHz RL=10KΩ SRS off Gv2 Input - Output Voltage Gain2 f=1kHz RL=10KΩ SRS on +3.5 +6.5 Gv3 Input - Output Voltage Gain3 f=100Hz RL=10KΩ SRS on +9.5 +12.5 +15.5 dB Gv4 Input - Output Voltage Gain4 f=10KHz RL=10KΩ SRS on +7 +10 dB VOM Maximum f=1kHz Output Voltage SRS on/off 1.8 2.2 THD Total Harmonic Distortion VNO1 VNO2 THD=1% IHF-A filter RL=10KΩ Min. -3 Unit Typ. Max. 0 +3 dB +9.5 dB +13 Vrms f=1kHz DIN-A filter Vi=-10dBv RL=10KΩ SRS off 0.01 0.05 % Output Noise Voltage1 IHF-A filter SRS off 5 10 µVrms Output Noise Voltage2 IHF-A filter SRS on 50 100 µVrms MITSUBISHI ELECTRIC ( 4 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR APPLICATION EXAMPLE OUT L IN L SRS on/off 22µF 2.2µ 2.2µ GND 10 9 8 7 6 REF SRS 3D SOUND 2 3 4 5 1K 2.2µ 2.2µ 1 0.47µ VCC 100K 31.6K 1.5K IN R 47K 0.47µ OUT R 4.7K 0.0047µ 3.6K Unit R:Ω 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 SRS effect : Space Volume setting [%] 90 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 kΩ) [kΩ] MITSUBISHI ELECTRIC ( 7 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP Voltage Gain—Frequency Ta=25°C,Vcc=9V,RL=10KΩ,SRS–OFF 40 30 20 10 0 Voltage Gain [dB] -10 -20 -30 -40 Lin—>Lout Lin—>Rout -50 -60 -70 -80 -90 -100 -110 -120 0.01 0.1 1 10 100 Frequency [KHz] MITSUBISHI ELECTRIC ( 8 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP Vo – Vi Ta=25°C,BW=400 to 30KHz,RL=10KΩ Output Voltage : Vo [Vrms] 10 1 Vcc=12V Vcc=9V Vcc=8V Vcc=5V 0.1 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=25°C,THD=1%(BW=400 to 30KHz) Maximum Output Voltage : Vomax [Vrms] 10 1 Vcc=12V Vcc=9V Vcc=8V Vcc=5V 0.1 0.01 0.1 1 10 100 Load Resistance : RL [KΩ] MITSUBISHI ELECTRIC ( 10 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP THD—Vo Ta=25°C,Vcc=9V,BW=400 to 30KHz,RL=10KΩ,SRS–OFF Total Harmonic Distortion : THD [%] 10 1 0.1 0.01 0.001 0.01 0.1 1 10 Output Voltage [Vrms] M62438FP MITSUBISHI ELECTRIC ( 11 / 12 ) MITSUBISHI SOUND PROCESSOR M62438FP SRS 3D SOUND PROCESSOR M62438FP No – Vcc Ta=25°C,Vcc=9V,Vi=0mVrms(Rg=0Ω),JIS-A filter 70 Output Noise Voltage : No [uVrms] 60 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 )