Overview

The LA1862M is a single-chip car stereo FM IF/NC/MPX tuner IC which offers improved IF stability and S-meter characteristics, compared with the LA1861M. The LA1862M makes the design of high-performance FM tuners at low cost easy.

Functions

.IF amplifier

.Peak detector

.AF preamplifier

.AFC output

.S-meter driver

.Soft mute circuit

.IF buffer output

.Noise canceller

.Adjustment-free VCO

.Pilot signal canceller

.SNC High-cut control (HCC)

Features

.Pin compatible with the LA1861M

.Improved I/O S-meter characteristics

.Excellent sound quality at low input levels

.Easy adjustment of muting characteristics

.Because this device has a 36-pin flat package, it requires few

external components and offers excellent cost performance.