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BD37033FV-M 데이터시트(PDF) 1 Page - Rohm |
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BD37033FV-M 데이터시트(HTML) 1 Page - Rohm |
1 / 41 page Datasheet ○ Product structure:Silicon monolithic integrated circuit ○ This product is not designed protection against radioactive rays 1/38 TSZ02201-0C2C0E100000-1-2 © 2013 ROHM Co., Ltd. All rights reserved. 3.NOV.2013 Rev.002 www.rohm.com TSZ22111 ・14・001 Analog Audio Processors series Sound Processors for Car Audio BD37033FV-M General Description BD37033FV-M is sound processors for car audio. The functions are stereo input selector with single end 3 and ground isolation input 2, volume, 3-band parametric equalizer, loudness, 6ch fader volume, LPF for subwoofer, anti-aliasing-filter, Mixing volume. Moreover, “Advanced switch circuit”, that is ROHM original technology, can reduce various switching noise (ex. No-signal, low frequency likes 20Hz & large signal inputs). “Advanced switch” makes control of microcomputer easier, and can construct high quality car audio system. Features Reduce switching noise of volume, mute, fader volume, bass, middle, treble, loudness by using advanced switch circuit [Possible to control all steps]. Built-in input selector (single 3 / diff 2). Decrease the number of external components by built-in 3-band equalizer filter, LPF for subwoofer, loudness filter. And, possible to control Q, Gv, fo of 3-band equalizer and fc of LPF, Gv, fo of loudness by I 2C BUS control freely. Built-in mixing volume and anti-aliasing-filter. Built-in anti-GSM-noise-filter. Package is SSOP-B28. Putting input-terminals together and output-terminals together can make PCB layout easier and can makes area of PCB smaller. It is possible to control by 3.3V / 5V for I 2C BUS. AEC-Q100 Qualified. Applications It is the optimal for the car audio. Besides, it is possible to use for the audio equipment of mini Compo, micro Compo, TV etc with all kinds. Key Specifications Current upon no signal: 31mA(Typ.) Total harmonic distortion: 0.002%(Typ.) Maximum input voltage: 2.1Vrms(Typ.) Cross-talk between selectors: 100dB(Typ.) Ripple rejection -65dB(Typ.) Output noise voltage: 5.5 µVrms(Typ.) Residual output noise voltage: 3.5 µVrms(Typ.) Operating Range of Temperature: -40 ℃ to +85 ℃ package(s) W(Typ.) x D(Typ.) x H(Max.) SSOP-B28 10.00mm x 7.60mm x 1.35mm SSOP-B28 Typical Application Circuit Figure 1. Application Circuit Diagram 14 Volume Loudness LPF 3band P-EQ Fader Fader Mix / Fader Fader Fader Fader MIN Mix ON/OFF Mix Sel 100k 13 100k 12 100k 11 100k 10 100k 9 100k 8 100k 7 100k 6 100k 5 100k 4 100k 3 100k 2 100k 1 100k Input Selector LVM 28 27 26 25 24 8.5V 23 22 21 20 19 18 17 16 15 I2C BUS LOGIC VREF GND SDA SCL VCCL OUTF1 OUTF2 OUTR1 OUTR2 OUTS1 OUTS2 LOUT LRST MUTE EP2 EN2 EN1 EP1 DP2 DN DP1 C2 C1 B2 B1 A2 A1 Mix ON/OFF MUTE |
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