ROHM Product Detail

BD37514FS
內建2頻段等化器的聲音處理器

以提升整機設計效率為目的,實現了控制軟體通用化和電路板通用化的系列。內建調節低音和高音音質的2頻段等化器。其濾波器無需外接部件。此外,通過3路輸入選擇器和音量、4ch獨立控制的音量控制器,支援3個音樂來源輸入和前、後的Lch/Rch的4通道輸出。實現了高性能且外接部件少的省空間設計,適用於標準型整機。

Data Sheet 購買 *
* 本產品是標準級的產品。
本產品不建議使用的車載設備。

Product Detail

 
料號 | BD37514FS-E2
狀態 | 推薦品
封裝 | SSOP-A20
包裝形式 | Taping
單位數量 | 2000
最小包裝數量 | 2000
RoHS | Yes

規格:

Input (ch) ?

Stereo 3

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

5

Tone Control Band

BASS, Treble

Number of of single input

3

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

Fader Range/Step (dB/dB) ?

0~-79, -∞/1

Output Voltage (V, typ)

2.2

THD+N (dB)

0.001

EQ (number of Band) ?

2

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]

8.7x7.8 (t=2.01)

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功能:

  • Reduce switching noise of input gain control, mute, main volume,
    fader volume, bass, 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 2-band equalizer filter, loudness filter. 
    And, possible to control Q, Gv, fo of 2-band equalizer
    and Gv of loudness by I²C BUS control freely.
  • It is possible for the bass, 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-A20. 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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