Application

CD Player 4-channel BTL Motor Driver

LA6548

Four-channel power operational amplifier IC supports BTL connection

Built-in muting circuit

Built-in 3.3 V regulator (external pnp transistor)

Built-in reset circuit

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CD Player System Motor Drivers

LB1971V
LV8018W, LV8220FN, LV8222W
LV8223T, LV8224FN

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Digital Servo with Built-in RF System Super System-on-chip IC

LC78648E

Audio CD playback

Jitter-free playback (VCEC)

CAV playback

Supports AGC and CD-R/RW playback

Shock detection/antishock control

Error detection and correction (dual errors in both C1 and C2)

8× oversampling digital filters

Package : QFP80

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CD MP3/WMA Signal-Processing IC

LC78691W

CD-DA/R/RW playback (CLV 1× and 2× speeds, jitter-free playback)

Digital servo signal processing

CD-TEXT decoder

8× oversampling digital filters

1-bit D/A converter (third-order ΔΣ noise shaper)

CD-ROM decoder (Modes 1 and 2 <forms 1 and 2>)

MP3 decoder supports MPEG1 - layers 2 and 3, MPEG2 layers 2 and 3, MPEG2.5 layer 3
(ISO/IEC 11172-3, ISO/IEC 13818-3)

WMA decoder (version 9). Sampling rates: 22.05, 32, 44.1, and 48 kHz

Error detection and correction (C1: dual, C2: quadruple)

Bass boost and digital deemphasis functions

Second order audio LPF

1M SRAM built in

Supply voltage: 3.3 V

Package: SQFP80

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MP3 + CD-ROM Decoder

LC78687W

CD-ROM decoder

MP3 decoder

Antishock control

Supports external EDO-DRAM and SDRAM

8-bit RISC microcontroller

LCD display driver

Bass boost function

Interface for WMA decoder

Dual power supply

Package:SQFP144

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Power IC for Portable CD Players

LV5051T

2.5V step-up/down DC-DC converter

VG step-up circuit for power MOSFET driving

2.8V/3.9V regulator control circuit (with switching terminal)

Undervoltage lockout (UVLO) circuit (PVCC1)

ACDET detection output terminal

Microcontroller RESET output terminal

2.5V (OUT2) pin control input terminal

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