參數(shù)資料
型號: TDA7465
廠商: 意法半導(dǎo)體
英文描述: Digitally Controlled Audio Processor with SRS Surround Sound and Voice Canceller(帶聲音檢索系統(tǒng)和回音抵消器的數(shù)控音頻處理器)
中文描述: 數(shù)控音頻處理器與SRS環(huán)繞音響,消音(帶聲音檢索系統(tǒng)和回音抵消器的數(shù)控音頻處理器)
文件頁數(shù): 1/20頁
文件大?。?/td> 178K
代理商: TDA7465
TDA7465
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH
SRS SURROUND SOUND AND VOICE CANCELLER
1 STEREOINPUT AND 1 MIXERINPUT
INPUT ATTENUATION CONTROL IN 0.5dB
STEP
TREBLEMIDDLE AND BASS CONTROL
VOICE CANCELLER IS AVAILABLE
STEREO SRS SURROUND SOUND WITH
CENTER & SPACECONTROL IS AVAILABLE
THREE STANDARD SURROUND MODES
ARE AVAILABLE:
- MUSIC IN 4 DIFFERENT SELECTABLE
RESPONSES
- MOVIE ANDSIMULATED IN 256
DIFFERENTSELECTABLE RESPONSES
REAR OUTPUT IS AVAILABLE TO DRIVE
EXTRA SURROUND SPEAKERS
2 SPEAKERSOUTPUTS
- INDEPENDENT ATTENUATORS IN 1dB
STEPFOR BALANCEFACILITY
- ZEROCROSSINGATTENUATIONAVAILABLE
- INDEPENDENT MUTE FUNCTION
2 RECORD OUTPUTS
- INDEPENDENT ATTENUATORS IN 1dB
STEPFOR BALANCEFACILITY
- MUXAVAILABLE FORPROCESSESSIGNAL
SELECTION
- INDEPENDENT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL BUS
ADDRESS PIN AVAILABLE
DESCRIPTION
The TDA7465 is a volume tone (bass middle and
treble)balance (Left/Right) processorswith stereo
SRS and voicecanceller for quality audio applica-
tionsin car radio, Hi-Fi, TV systems.
It reproduces SRS (Sound Retrieval System)
sound by external components and surround
sound by using phase shifters and a signal ma-
trix. The AC signal setting is obtained by resistor
networks and switches combined with operational
amplifiers according to the SRS laboratories
specification. An Extra Mix Input is available to
connectmicrophone for KARAOKEfeature.
Control of all the functions is accomplished by se-
rial bus.
Thanks to the used BIPOLAR/CMOSTechnology,
Low Distortion, Low Noise and DC stepping are
obtained.
May 1997
ORDERING NUMBER:
TDA7465
SDIP42
LP
LP1
HP1
HP2
VAR_L
BASSO_L
VAR_R
BASSO_R
BASS_LO
BASS_LI
BASS_RO
BASS_RI
MIDDLE_LO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
R_OUT
DIG_GND
L_OUT
RECOUT_R
NETW1
RECOUT_L
NETW2
VREFOUT
L_IN
MIX
37
36
35
34
33
32
31
30
29
28
27
26
25
D96AU479B
42
41
40
39
38
V
S
PS4
PS3
PS2
PS1
R_IN
LPVC
REAR_IN
REAR_OUT
CREF
MIDDLE_LI
MIDDLE_RO
MIDDLE_RI
TREBLE_R
TREBLE_L
AGND
SDA
ADDR
SCL
24
23
22
PIN CONNECTION
The Device incorporates the SRS
(Sound Retrieval System) under
licence fromSRS Labs,Inc.
1/20
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