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)
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