BD37532FV

Sound Processors with built-in 3-band Equalizers
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BD37532FV

BD37532FV
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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Product Detail

 
Part Number | BD37532FV-E2
Status | Recommended
Package | SSOP-B28
Unit Quantity | 2000
Minimum Package Quantity | 2000
Packing Type | Taping
RoHS | Yes

Specifications:

Input (ch)

Stereo 3/1/0

ISO Input (ch)

Stereo 1/2/3

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

2/3/5

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]

10x7.6 (t=1.35)

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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 differential input selector that can make various combination of
    single-ended / differential 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,
    and 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.
・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.
・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-B28. 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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