LC78855 Ver la hoja de datos (PDF) - SANYO -> Panasonic

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Fabricante

LC78855

Digital Audio D/A Converter with Built-in Digital Filters

SANYO -> Panasonic 

LC78855KM

2. 1-Bit D/A Converter Block

The 1-bit D/A converter block takes the 8 Fs data input and outputs it as a 384 Fs 1-bit data series.

Input Settings

1. Input data format

2. Mode setting

• Serial input mode (MODE = low)

Attenuation data, de-emphasis on/off and the standard speed/double speed settings are input to the three lines

CNT1, CNT2 and CNT3.

• Parallel input mode (MODE = high)

CNT1 functions as emphasis on/off.

CNT2 functions as the standard/double speed switch.

CNT3 functions as the soft muting on/off switch.

— Standard speed/double speed settings

Mode

Serial input mode

Parallel input mode

Input signal

ND

CNT2

Low

Standard speed

Standard speed

High

Double speed

Double speed

— De-emphasis settings

Mode

Input signal

Low

Serial input mode

EMP

Off

Parallel input mode

CNT1

Off

De-emphasis supports an Fs of 44.1 kHz.

High

On

On

No. 4999-5/9

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