Overview

The LV3403M is a filter IC for FM multiplex broadcasting reception which is used in combination with demodulation-error correction IC (LC72703). The use of switched capacitor filter (SCF) technique obviates the need for frequency adjustment and ensures stable operation.

Features

• No adjustments needed due to SCF-used configuration.

• Few external components needed.

Functions

• 76 kHz BPF (Gaussian filter)

• 54 kHz HPF

• 125 kHz LPF

• Anti-aliasing filter

• Limiter circuit