Sound Processor with Built-in Surround Sound Function - BD3491FS | ROHM Semiconductor - ROHM Co., Ltd.
Rohm Productdetail
Sound Processor with Built-in Surround Sound Function - BD3491FS
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 BassBoost, Output gain, Surround by external components.
* This product is a STANDARD grade product and not recommend for on-vehicle devices.
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Specifications:
Vcc(Min.)[V]
4.75
Vcc(Max.)[V]
9.5
Iq[mA]
7.0
I/F
I2C BUS
Volume Range
0to-87 / -∞ (1dB / step) Independent control
Tone Control Band
BASS, Treble
Input Gain[dB]
0 / 2 / 4 / 6 / 8 / 12 / 16 / 20
Surround
Yes
THD[%]
0.002
Output Noise[µVrms]
5
Output voltage(Max.)[Vrms]
2.3
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
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.