View la9242m datasheet:

Ordering number:ENN7097 Monolithic Linear IC LA9242M Analog Signal Processor (ASP) for CD Players Overview Package Dimensions The LA9242M is an analog signal processing and servo unit:mm control bipolar IC designed for use in compact disc players 3159A-QFP64E ; a compact disc player can be configured by combining [LA9242M] this IC with a CD-DSP such as the LC78922E and 17.2 LC78620E, with a small number of additional components 14.0 48 33 required. In addition, this IC allows CD-RW disk playback 49 32 due to the on-chip gain switching function. Functions I/V amplifier, RF amplifier (with AGC), SLC, APC, FE, 64 17 TE (with VCA and auto-balance function), focus servo am- 116 plifier (with offset cancellation function), spindle servo am- 0.8 0.35 0.15 (1.0) plifier