Datasheet > BD37523FS-E2

BD37523FS-E2

更新时间： 2024-09-17 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

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BD37523FS-E2 数据手册

Datasheet

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

www.rohm.com

TSZ02201-0C2C0E100480-1-2

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BD37523FS-E2相关器件

型号	品牌	获取价格	描述	数据表
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
BD375-25	NSC	获取价格	TRANSISTOR,BJT,NPN,45V V(BR)CEO,2A I(C),TO-126
BD375-25	FAIRCHILD	获取价格	2 A, 45 V, NPN, Si, POWER TRANSISTOR, TO-126
BD375-25	SAMSUNG	获取价格	Power Bipolar Transistor, 2A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/
BD37525STU	FAIRCHILD	获取价格	Power Bipolar Transistor, 2A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/
BD37531FV	ROHM	获取价格	Silicon Monolithic Integrated Circuit

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