Overview

The LA9240M is an analog signal processing and servo control bipolar IC designed for use in compact disc players; a compact disc player can be configured by combining this IC with a CD-DSP such as the LC78622E and LC78620E, with a small number of additional components required.

Features

• The following automatic adjustment functions are built in.

• Focus offset auto cancel: FE (pin 20)

• Tracking offset auto cancel: TE (pin 7)

• EF balance auto adjustment

• RF level AGC function

• Tracking servo gain RF level following function

• Focus search smoothing setting pin: FSC (pin 46)

• EF balance adjustment variable range setting pin: TBC (pin 47)

• Focus search mode switching pin: FSS (pin 55)