STV8267DSXT 데이터 시트보기 (PDF) - STMicroelectronics

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STV8267DSXT

Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders

STMicroelectronics 

General Description

STV82x7

1.1 STV82x7 Overview

1.1.1

Core Features

● Single audio source processing:

— IF source and/or analog stereo input (SCART)

— one digital source with a maximum of 6 synchronous channels (5.1 is obtained across three

I²S)

● SIF input signal with Automatic Gain Control (AGC)

● Digital Demodulator with automatic standard detection and demodulation for AM, FM mono,

FM 2 carriers (German or Korean FM 2-carrier) and NICAM

● Audio processor working at 32 kHz, 44.1 kHz or 48 kHz with specific features:

— For Loudspeakers (L, R, LS, RS, SubW, C):

Dolby® Pro Logic II ® Decoder with Bass Management

SRS® WOW™ or TruSurround XT™ including Virtual Dolby® Surround and Virtual Dolby®

Digital

ST WideSurround

ST OmniSurround

ST Dynamic Bass

5-band Equalizer or Bass-Treble

Loudness

Smart Volume Control

Volume/Balance/Soft-mute

Beeper

Video Processing Delay Compensation

— For Headphone:

SRS® TruBass™

Smart Volume Control

Bass-Treble

Loudness

Volume/Balance/Soft-mute

Beeper

Video Processing Delay Compensation

● Shared outputs for headphone and loudspeakers (surround channels);

● Analog matrix with:

— five external inputs:

four SCART inputs (2 VRMS capable)

one analog mono input (0.5 VRMS)

— one internal input from a digital matrix via a DAC

— three external outputs (2 VRMS capable)

— one internal output for the digital matrix (using an internal ADC)

● Digital matrix with:

— three input modes (Demodulator/SCART, SCART only and I²S)

— three stereo outputs (Loudspeakers, Headphone and SCART)

● High-end audio DAC

● S/PDIF output for connection with an external amplifier/decoder

● Internal multiplexer for the S/PDIF output (to share the internal S/PDIF output and the S/PDIF

output generated by the external decoder of the digital broadcast)

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