Datasheet > BD37543FS_15

BD37543FS_15

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
41页	4273K
描述
Sound Processor with Built-in 3-band Equalizer

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BD37543FS_15 数据手册

Datasheet

Sound Processor with Built-in 3-band Equalizer

BD37543FS

General Description

Key Specifications

BD37543FS is a sound processor with built-in 3-band

equalizer for car audio. The functions are stereo input

selector (which can switch single and ground isolation

input), input-gain control, main volume, loudness, 5ch

fader volume, LPF and HPF for subwoofer and mixing

input. Moreover, “Advanced switch circuit”, which is an

original ROHM technology, can reduce various

switching noise (ex. No-signal, low frequency like 20Hz

& large signal inputs). Also, “Advanced switch” makes

control of microcomputer easier, and can construct a

high quality car audio system.



Power Supply Voltage Range:

7.0V to 9.5V

38mA (Typ)

Circuit Current (No Signal):

Total Harmonic Distortion 1:

(FRONT,REAR)

0.001%(Typ)



Total Harmonic Distortion 2:

(SUBWOOFER)

0.002%(Typ)

2.3Vrms (Typ)

-100dB (Typ)



Maximum Input Voltage:

Cross-talk Between Selectors:

Volume Control Range:

Output Noise Voltage 1:

(FRONT,REAR)

+15 dB to -79dB

3.8µVrms(Typ)



Output noise voltage 2:

(SUBWOOFER)

4.8µVrms(Typ)

1.8µVrms(Typ)

-40°C to +85°C

Features



Residual Output Noise Voltage:

Operating Temperature Range:



Reduced switching noise of input gain control,

mute, main volume, fader volume, bass, middle,

treble, loudness, mixing by using advanced switch

circuit.

Package

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



Built-in differential input selector that can make

various combination of single-ended / differential

input.



Built-in ground isolation amplifier inputs, which is

ideal for external stereo input.

Built-in input gain controller reduces switching

noise for volume of a portable audio input.

Decreased number of external components due to

built-in 3-band equalizer filter, LPF for subwoofer,

and HPF. It is possible to control Q, G_V, f_Oof

3-band equalizer, and f_Cof LPF/HPF through the

I²C BUS control.



It is possible to adjust the gain of the bass, middle,

treble up to ±20dB with 1 dB step gain adjustment.

It is equipped with output terminals for Subwoofer.

Moreover, the stereo signal output of the front and

rear can also be chosen by the I²C BUS control.

Built-in mixing input and mixing attenuator.

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.

SSOP-A32

13.60 mm x 7.80mm x 2.01mm



Input terminals and output terminals are organized

and separately laid out to keep the signal flow in

one direction which results in simpler and smaller

PCB layout.

It is possible to control the I²C BUS by 3.3V / 5V.

Applications

It is optimal for car audio systems. It can also be used

for audio equipment of mini Compo, micro Compo, TV,

etc.

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

www.rohm.com

TSZ02201-0C2C0E100580-1-2

16.Dec.2015 Rev.001

1/37

TSZ22111・14・001

12 3 4 5 6 7...41

中文翻译

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与BD37543FS_15相关器件

型号	品牌	获取价格	描述	数据表
BD37543FS-E2	ROHM	获取价格	Sound Processor with Built-in 3-band Equalizer
BD37544FS	ROHM	获取价格	Silicon Monolithic Integrated Circuit
BD37544FS_15	ROHM	获取价格	Sound Processor with Built-in 3-band Equalizer
BD37544FS-E2	ROHM	获取价格	Sound Processor with Built-in 3-band Equalizer
BD37545FS	ROHM	获取价格	Silicon Monolithic Integrated Circuit
BD37545FS-E2	ROHM	获取价格	Audio Control IC, BICMOS, PDSO32
BD3756	FAIRCHILD	获取价格	Power Bipolar Transistor, 2A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/
BD375-6	SAMSUNG	获取价格	Power Bipolar Transistor, 2A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/
BD375-6	ISC	获取价格	Transistor
BD375-6	FAIRCHILD	获取价格	2 A, 45 V, NPN, Si, POWER TRANSISTOR, TO-126

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