Datasheet > BD37545FS

BD37545FS

更新时间： 2024-11-02 06:41:51

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
5页	171K
描述
Silicon Monolithic Integrated Circuit

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中文翻译

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BD37545FS 数据手册

1/4

Structure:

Product:

Silicon Monolithic Integrated Circuit

Sound Processor for car audio

Type:

BD37545FS

Package:

SSOP-A32

●Feature

1. Reduce switching noise of input gain control, mute, main volume, fader volume, bass, middle, treble by using

advanced switch circuit [Possible to control all steps]

2. Built-in ground isolation amplifier inputs, ideal for external stereo input.

3. Built-in differential input selector that can make various combination of single-ended / differential input.

4. Built-in input gain controller reduce switching noise for volume of a portable audio input.

5. Decrease the number of external components by built-in 3-band equalizer filter, LPF for subwoofer, HPF.

And, possible to control Q, Gv, fo of 3-band equalizer and fc of LPF and fc of HPF by I²C BUS control freely.

6. It is possible for the bass, middle, treble to the gain adjustment quantity of ±20dB and 1 dB step gain adjustment.

7. It is equipped with output terminals of Subwoofer. Moreover, the stereo signal of the front and rear also can be

output by the I²C BUS control.

8. Built-in mixing input and mixing attenuation.

9. Bi-CMOS process is suitable for the design of low current and low energy. And it provides more quality for

small-scale regulator and heat in a set.

10. Package is SSOP-A32. Putting input-terminals together and output-terminals together can make PCB layout

easier and can makes area of PCB smaller.

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

●Absolute Maximum Ratings (Ta=25℃)

Parameter

Power supply Voltage

Input voltage

Power Dissipation

Storage Temperature

Symbol

VCC

VIN

Tastg

Limits

10.0

VCC+0.3～GND-0.3

950 ※1

Unit

℃

-55～+150

※1 At Ta＝25°C or higher, this value is decreaced to 8.5mW/°C

When Rohm standard board is mounted.

Rohm standard board:

Size：70×70×1.6(mm³)

material：FR4 glass-epoxy substrate (copper foil area: not more than 3%).

●Operating Range

Parameter

Power supply Voltage

Temperature

Symbol

VCC

Min.

7.0

Typ.

－

Max.

9.5

Unit

Topr

-40

－

+85

℃

※Design against radiation-proof isn’t made.

REV. A

12 3 4 5

中文翻译

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