Ground Isolation Amplifier - BA3121F

This IC is ground isolation amplifiers developed for use in car audio applications. This IC efficiently eliminates problems caused by wiring resistance, and removes noise generated by the electrical devices used in automobiles. The capacitance values of the external capacitors required for the ICs are small, in order to allow compact and reliable set design.

* 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
BA3121F-E2 Active SOP8 2500 2500 Taping sim
Vcc(Min.)[V] 4.0
Vcc(Max.)[V] 18.0
Iq[mA] 9.0
I/F Stand alone
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 85
  • ・Large capacitors not required
    ・High common-mode rejection ratio (57dB typ. at f = 1kHz)
    ・Low noise (VNO = 3.5μVrms Typ.)
    ・Low distortion (THD = 0.002% Typ.)
    ・Two channels
Pin Configuração:
Pin Configration
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Application Note

Thermal Resistance