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參數(shù)資料
| 型號(hào)： | STV8226 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Multistandard TV Audio Processor and Digital Sound Demodulator |
| 中文描述： | 多標(biāo)準(zhǔn)電視音頻處理器和數(shù)字聲音解調(diào)器 |
| 文件頁(yè)數(shù)： | 1/97頁(yè) |
| 文件大小： | 1871K |
| 代理商： | STV8226 |
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DATASHEET
STV82x6
Multistandard TV Audio Processor
and Digital Sound Demodulator
February 2005
1/97
Rev. 3
This device incorporates the
SRS (Sound Retrieval
System) under licence from
SRS Labs, Inc.
Key Features
■
NICAM, AM, FM Mono and FM 2 Carrier
Stereo Demodulators for all sound carriers
between 4.5 and 7 MHz
■
Mono input provided for optimum AM
Demodulation performances
■
Demodulation controlled by Automatic
Standard Recognition System
■
Sound IF AGC with wide range
■
Overmodulation and Carrier Offset recovery
■
Smart Volume Control
■
5-band Equalizer & Bass/Treble Control
■
Automatic Loudness Control
■
Loudspeaker and Headphone outputs with
Volume/Balance Controls and Beeper
■
Subwoofer output with Volume Control and
Programmable Bandwidth
■
Spatial Sound Effects
(ST WideSurround and
Pseudo-Stereo)
■
SRS
3D Surround
■
3-to-2 Analog Stereo Audio I/Os (SCART
compatible) with Audio Matrix
■
Low-noise Audio Mutes and Switches
■
I2S Output to interface with Dolby
Pro
Logic
Decoder
■
I2C Bus-controlled
■
Single and standard 27 MHz Crystal
Oscillator
■
Power supplies: 3.3 V Digital, 5 V or 8 V
Analog
■
Embedded 3.3 V Regulators
■
Packages: SDIP56 or TQFP80
Matrix
AGC
A/D
A/D
S
S
SIF
AI1L
AI1R
LSL
LSR
SW
Subwoofer
AI2L
AI2R
AI3L
Input
MONOIN
Multi-Standard
Digital Stereo
Demodulator
Digital
Audio
Matrix
S
and NICAM
Loudspeaker Audio Processing
Smart Volume Control, ST WideSurround,
5-band Equalizer and Loudness,
Beeper and Subwoofer Output
Headphone Audio Processing
Smart Volume Control,
Bass/Treble and Beeper
I2S Interface
D/A
D/A
D/A
Vol./
Bal.
Low Noise
Audio Mute
1V
rms
HPL
HPR
Low Noise
Audio Mute
1V
rms
S
S
W
I2C Interface
Gain
Audio
Output
Low Noise
Audio Mute
Low Noise
Audio Mute
2V
rms
2V
rms
AO1L
AO2L
I
S
B
B
H
0.5V
rms
2V
rms
2V
rms
2V
rms
Single Crystal
Clock Generation
Audio Matrixing
Audio Processing
Demodulation
X
X
Power Supply Management
DC Regulators, Standby mode
I2C Bus Expander
I
Sound IF
O
Headphone
Loudspeaker
Headphone
Detection
Mono In
S
I
STV82x6
R
F
S
F
Vol./
Bal.
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