BD3491FS
Sound Processor with Built-in Surround Sound Function

Built in stereo 6 input selectors and volume that there is not an impedance change of a volume terminal. And this is sound processor can realize 2-band equalizer (Bass/Treble, Gain±14dB / 2dB_step) and Bass Boost, Output gain, Surround by external components.

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* This is a standard-grade product.
For Automotive usage, please contact Sales.

Product Detail

 
Part Number | BD3491FS-E2
Status | Recommended
Package | SSOP-A32
Packing Type | Taping
Unit Quantity | 2000
Minimum Package Quantity | 2000
RoHS | Yes

Specifications:

Input (ch) ?

Stereo 6

Input Gain (dB/Ad-Sw) ?

+20~0/-

Vcc(Min.)[V]

4.75

Vcc(Max.)[V]

9.5

Iq[mA]

7

Tone Control Band

BASS, Treble

Volume (ch/Ad-Sw) ?

2/-

Volume Range/Step (dB/dB) ?

0~-87, -∞/1

[I] Independent from Input Selector / [C] Cascade from Input Selector ?

I

Output Voltage (V, typ)

2.4

THD+N (dB)

0.002

EQ (number of Band) ?

2

Output Noise[µVrms]

5

Surround

Yes

I/F

I2C

Power Supply Voltage (V) ?

4.75~9.5

Temperature (Min.)[°C]

-40

Temperature (Max.)[°C]

85

Package Size [mm]

13.6x7.8 (t=2.01)

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Features:

· Equipped with 6 single ended stereo input selectors.
· Built-in input gain controller suitable for mobile audio.
· Volume input terminal can be used as a microphone input terminal since its impedance remains constant even if volume setting is changed.
· Bi-CMOS process is suitable for the design of low current and low energy. It also provides more quality for Bi-CMOS small scale regulator and heat in a set.
· The package of this IC is SSOP-A32. Sound input terminals and output terminals arrangement is optimized for easy and fast layout of PCB pattern. At the same time, it minimizes PCB area.
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