供应BA3121F-E2罗姆车载音频隔离放大器

本IC是为汽车音响用途而开发的接地隔离放大器。采用独有的新方式，有效地排除了始终令人困扰的配线电阻影响，可切实消除汽车的各种电子零部件等产生的杂音。此外，还降低了外置电容器的容量，适用于整机的小型化与可靠性的提高。

General Description

BA3121F is a ground isolation amplifier developed for

car audio applications. This IC efficiently eliminates

problems caused by wiring resistance and removes

noise generated by other electrical devices used in

automobiles. The external capacitor values required for

this IC are so small that it allows for compact and

reliable set design.

Key Specifications

 Power Supply Voltage Range: 4V to 18V

 Quiescent Current: 9.0mA (Typ)

 High Common-mode Rejection Ratio(1kHz):

57dB (Typ)

 Low Noise: VNO = 3.5μVrms(Typ)

 Low Distortion: THD = 0.002% (Typ)

 Operation temperature range: -30°C to +85°C