Overview

The LC78834M is a CMOS stereo 18-bit D/A converter LSI that includes 4×oversampling digital filters, output

op amps, and analog filter op amps on chip.

Functions and Features

• Digital filter block

—4×oversampling filters: two-stage FIR filter structure (43rd order and 11th order)

— De-emphasis filters: support for fs = 32, 44.1, and 48 kHz

— Soft muting

• D/A converter block

— Dynamic level shifting 18-bit D/A converter

— Two D/A converter channels built in (in-phase outputs)

— Built-in output op amps

• Built-in analog filter op amps

• System clock: support for both 384 fs and 512 fs

• Single 5 V power supply

• Low voltage operation supported ( 3.5 V)

• Si gate CMOS process (low power)