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BD3433K 데이터시트(PDF) 1 Page - Rohm |
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1 / 25 page ○Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays 1/21 TSZ02201-0C2C0E100610-1-2 © 2015 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 www.rohm.com 16.Dec.2015 Rev.001 6ch Electronic Volume for 5.1ch Car Theater BD3433K General Description BD3433K is a 6ch electronic volume device for 5.1ch Car Theater. It incorporates various functions such as 6ch input selector (front/rear independently-controlled), input gain amp (front/rear independently-controlled), 6ch independently-controlled electronic volume (capable of soft switching), 6ch output gain amp (2-line outputs), differential input for monophonic signals, electronic volume for monophonic signals (capable of soft switching), and mixing circuit for monophonic signals. It also provides high performance functions to achieve low distortion, low noise and a high voltage output of 5.6Vrms. QFP44 package which offers savings in space and components is used to be suited for applications such as car audio and car navigation. Features High output voltage of 5.6Vrms is achievable Provided with 2 lines of outputs to the built-in power amp and the pre-out. Reduces volume switching noise by installing the advanced 6ch independently-controlled electronic volume with soft switching. High performance capabilities such as low distortion rate (0.001%), low noise (3µVrms) Different signals from different sources can be outputted to the front and rear sections independently and this provides an option of rear-seat entertainment. Incorporates monophonic differential input circuit suited for inputting navigation voice and telephone speech. These monophonic voices can be mixed with the front output signals. Energy-saving design resulting in low current consumption, by utilizing the Bi-CMOS process. It has the advantage in quality over scaling down the power heat control of the internal regulators. 3-wire serial interface supported for both of 3.3V and 5V microcomputers. Applications For car audio equipment, car navigation equipment, and hybrid systems. Key Specifications VCC Power Supply Voltage Range: 7.0V to 9.5V VEE Power Supply Voltage Range: -9.5V to -7.0V Total Harmonic Distortion: 0.001%(Typ) Maximum Input Voltage: 4.25Vrms(Typ) Cross-talk Between Channels: 106dB(Typ) Output Noise Voltage: 2.5µVrms(Typ) Residual Output Noise Voltage: 2µVrms(Typ) VCO Oscillation Frequency: 400kHz(Typ) Operating Temperature Range: -40°C to +85°C Package W(Typ) x D(Typ) x H(Max) QFP44 14.00mm x 14.00mm x 2.25mm Datasheet Datasheet |
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