BD37524FS

Sound Processors with built-in 3-band Equalizers
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BD37524FS

BD37524FS
Sound Processors with built-in 3-band Equalizers

This series supports common control software, increasing design and development efficiency. Tone quality can be adjusted by parametric equalizer using no external components. The built-in three-band equalizer sub woofer output allows for a space saving design.

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* This is a standard-grade product.
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Product Detail

 
Part Number | BD37524FS-E2
Status | Recommended
Package | SSOP-A24
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes

Specifications:

Input (ch)

Stereo 4

ISO Input (ch)

Stereo 1

Input Gain (dB/Ad-Sw)

+20~0/Yes

Vcc(Min.)[V]

7

Vcc(Max.)[V]

9.5

Iq[mA]

38

Outputs

6

Tone Control Band

BASS, Middle, Treble

Number of of single input

4

Volume (ch/Ad-Sw)

2/Yes

Volume Range/Step (dB/dB)

+15~-79, -∞/1

Parametric EQ

Yes

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

C

Fader (ch/Ad-Sw)

5/Yes

LPF/HPF for SUB WOOFER

LPF

Fader Range/Step (dB/dB)

+15~-79, -∞/1

Output Voltage (V, typ)

2.2

THD+N (dB)

0.001

EQ (number of Band)

3

MUTE Terminal

Yes

Output Noise[µVrms]

3.8

Other

Loudness

I/F

I2C

Power Supply Voltage (V)

7.0~9.5

Temperature (Min.)[°C]

-40

Temperature (Max.)[°C]

85

Package Size [mm]

10x7.8 (t=2.1)

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Features:

  • Reduce switching noise of input gain control, mute, main volume,
    fader volume, bass, middle, treble, loudness　by using advanced switch circuit
    [Possible to control all steps]
  • Built-in ground isolation amplifier inputs, ideal for external stereo input.
  • Built-in input gain controller reduce switching noise for volume of
    a portable audio input.
  • Decrease the number of external components by
    built-in 3-band equalizer filter, LPF for subwoofer, loudness filter.
    And, possible to control Q, Gv, fo of 3-band equalizer
    and fc of LPF, fo, Gv of loudness by I²C BUS control freely.
  • It is possible for the bass, middle, treble to the gain adjustment
    quantity of ±20dB and 1 dB step gain adjustment.
  • 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.
  • Package is SSOP-A24. Putting input-terminals together
    and output-terminals together can make PCB layout easier
    and can makes area of PCB smaller.)
  • It is possible to control by 3.3V / 5V for I²C BUS.
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