Datasheet > BD37521FS-E2

BD37521FS-E2

更新时间： 2024-11-03 01:21:03

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
31页	3182K
描述
Sound Processor with Built-in 2-band Equalizer

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BD37521FS-E2 数据手册

Datasheet

Sound Processor with Built-in 2-band Equalizer

BD37521FS

General Description

Key Specifications

BD37521FS is a sound processor with built-in 2-band

equalizer for car audio. Other features are stereo 4ch input

selector, input-gain control, main volume, loudness, and a

4ch 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 such as 20Hz & large signal inputs). Also, this

“Advanced switch” makes control of microcomputer easier

and can be used for designing high quality car audio

system.



Power Supply Voltage Range:

Circuit Current (No Signal):

TotalHarmonic Distortion:

Maximum Input Voltage:

Cross-talk Between Selectors:

Volume Control Range:

Output Noise Voltage:

Residual Output Noise Voltage:

Operating Temperature Range:

7.0V to 9.5V

38mA(Typ)

0.001%(Typ)

2.3Vrms (Typ)

-100dB (Typ)

+15dB to -79dB

3.8µVrms(Typ)

1.8µVrms (Typ)

-40°C to +85°C

Package

W(Typ) x D(Typ) x H(Max)

Features



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 3 single-ended

input selectors

Built-in ground isolation amplifier inputs which is 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. This makes it possible to

control the Gv of 2-band equalizer and Gv of loudness

by I²C BUS.

SSOP-A24

10.00mm x 7.80mm x 2.10mm



A gain adjustment quantity of ±20dB with a 1 dB step

gain adjustment is possible for the bass and treble.

Energy-saving design resulting in low current

consumption is achieved by utilizing the BiCMOS

process. It has the advantage in quality over scaling

down the power heat control of the internal regulators.

Input pins and output pins are organized and

separately laid out to keep the signal flow in one

direction that 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 .

Applications

It is best suited for car audio applications. It is also suitable

for other audio equipment such as mini-component,

micro-component, television, etc.



○Product structure：Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays

www.rohm.com

TSZ02201-0C2C0E100460-1-2

16.Dec.2015 Rev.001

1/27

TSZ22111・14・001

12 3 4 5 6 7...31

中文翻译

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与BD37521FS-E2相关器件

型号	品牌	获取价格	描述	数据表
BD37522FS	ROHM	获取价格	Silicon Monolithic Integrated Circuit
BD37522FS-E2	ROHM	获取价格	Consumer Circuit, BICMOS, PDSO24, SSOP-24
BD37523FS	ROHM	获取价格	Silicon Monolithic Integrated Circuit
BD37523FS_15	ROHM	获取价格	Sound Processor with Built-in 2-band Equalizer
BD37523FS-E2	ROHM	获取价格	Sound Processor with Built-in 2-band Equalizer
BD37524FS	ROHM	获取价格	Silicon Monolithic Integrated Circuit
BD37524FS_1003	ROHM	获取价格	Sound Processor with Built-in 3-band Equalizer
BD37524FS-E2	ROHM	获取价格	Sound Processor with Built-in 3-band Equalizer
BD37525	FAIRCHILD	获取价格	Power Bipolar Transistor, 2A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/
BD375-25	TI	获取价格	BD375-25

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