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BD37523FS_15 PDF预览

BD37523FS_15

更新时间: 2024-11-07 01:17:11
品牌 Logo 应用领域
罗姆 - ROHM /
页数 文件大小 规格书
31页 3297K
描述
Sound Processor with Built-in 2-band Equalizer

BD37523FS_15 数据手册

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Sound Processor with Built-in 2-band Equalizer  
BD37523FS  
General Description  
Key Specifications  
BD37523FS is a sound processor with built-in 2-band  
equalizer for car audio. Other features are stereo 5ch  
input selector, input-gain control, main volume,  
loudness and a 5ch fader volume. It is equipped with  
an “Advanced switch circuit”, which is an original  
ROHM technology, that reduces various switching  
noise (ex. No-signal, low frequency like 20Hz & large  
signal inputs). The “Advanced switch” also makes  
controlling of microcomputer easier and can be used  
for designing high quality car audio systems.  
Power Supply Voltage Range:  
Circuit Current (No Signal):  
TotalHarmonic Distortion1:  
(FRONT,REAR)  
TotalHarmonic Distortion2:  
(SUBWOOFER)  
Maximum Input Voltage:  
Crosstalk Between Selectors:  
Volume Control Range:  
Output Noise Voltage1:  
(FRONT,REAR)  
7.0V to 9.5V  
38mA(Typ)  
0.001%(Typ)  
0.002%(Typ)  
2.3Vrms(Typ)  
-100dB(Typ)  
+15dB to -79dB  
3.8µVrms(Typ)  
Output Noise Voltage2:  
(SUBWOOFER)  
Residual Output Noise Voltage:  
Operating Temperature Range:  
Features  
4.8µVrms(Typ)  
1.8µVrms(Typ)  
-40°C to +85°C  
Reduced switching noise of input gain control,  
mute, main volume, fader volume, bass, treble,  
and loudness by using advanced switch circuit  
Built-in  
1 differential input selector and 4  
Package  
W(Typ) x D(Typ) x H(Max)  
single-ended input selectors  
Built-in ground isolation amplifier inputs, ideal for  
external stereo input.  
Built-in input gain controller which reduces  
switching noise for volume of a portable audio  
input.  
Lesser number of external components due to  
built-in 2-band equalizer filter, subwoofer LPF and  
loudness filter. This makes it possible to freely  
control Q, Gv, and fo of 2-band equalizer and fc of  
LPF, and Gv of loudness by I2C BUS  
A gain adjustment quantity of ±20dB with a 1db  
step gain adjustment is possible for the bass,  
middle, and treble.  
SSOP-A24  
10.00mm x 7.80mm x 2.10mm  
Built-in subwoofer output terminals.  
Energy-saving design resulting in low current  
consumption is achieved by utilizing the Bi-CMOS  
process. It has the advantage in quality over  
scaling down the power heat control of the  
internal regulators  
Applications  
It is optimal for car audio systems. It can also be used  
for audio equipment of mini Compo, micro Compo, TV  
etc.  
Input pins and output pins are organized and  
separately laid out to keep the signal flow in one  
direction which consequently, simplify pattern  
layout of the set board and decrease the board  
dimensions.  
It is possible to be controlled by a 3.3V / 5V I2C  
BUS.  
Product structureSilicon monolithic integrated circuit This product has no designed protection against radioactive rays  
www.rohm.com  
TSZ02201-0C2C0E100480-1-2  
16.Dec.2015 Rev.001  
© 2015 ROHM Co., Ltd. All rights reserved.  
1/27  
TSZ2211114001  

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