6.1ch/ 7.1ch Sound Processors - BD3817KS

ROHM 6.1 / 7.1ch sound processor ICs make it easy to configure 6.1 / 7.1ch home theater systems.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
BD3817KS Active SQFP100 500 50 Tray sim
Vcc(Min.)[V] 10.0
Vcc(Max.)[V] 14.6
Iq[mA] 48.0
I/F 2-wire
Outputs 7
Volume Range 0to-95dB 1dB / step
Tone Control Band BASS, Treble
Input Gain[dB] 0to7dB 1dB / step
THD[%] 0.0010
Output Noise[µVrms] 1.2
Output voltage(Max.)[Vrms] 4.2
Operating Temperature (Min.)[°C] -20
Operating Temperature (Max.)[°C] 75
  • ・Dynamic range: 132dB (Volume Direct Mode, VOL=MUTE, IHF-A)
    ・Independent 7 channels for Master Volume (0 to -95 dB, MUTE 1dB/Step)
    ・Supporting 2nd room entertainment/2nd source recording
    ・Low current consumption design achieved by adopting the Bi-CMOS process
    ・Maximum output voltage: 4.2Vrms (VCC=7V, VEE=-7V, RL=10kohm)
    ・Built-in Input Gain Amp useful for amplifying input signals (0-7dB, 1dB/Step)
    ・Built-in Output Gain Amp useful for adjusting output signal voltages (0-17dB, 1dB/Step)
    ・Built-in mixing circuit for distributing the output signals from Center and Subwoofer
        channel to Front R/L channels (0, -3, -4, 5dB)
    ・2ch Volume BD3812F, 6ch Function Switch BD3843FS and BUS are common to be
        controlled simultaneously.
    ・REC A output terminal with a REC input/output switch useful for monitoring Equalizer
        Amp (For BD3816K1, available as an input function of the seventh line.)
    1・Output mute controlled by either serial data or an external control terminal
    1・2-wire serial control (For both 3.3V and 5V)
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Application Note

Thermal Resistance