參數(shù)資料
型號: TDA7345D
廠商: 意法半導(dǎo)體
英文描述: DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX
中文描述: 數(shù)控式矩陣環(huán)繞聲音頻處理器
文件頁數(shù): 1/18頁
文件大?。?/td> 122K
代理商: TDA7345D
TDA7345
DIGITALLY CONTROLLED AUDIO PROCESSOR
WITH SURROUND SOUND MATRIX
1 STEREOINPUT
VOLUMECONTROL IN 1.25dB STEP
TREBLEAND BASSCONTROL
THREE SURROUND MODES ARE AVAIL-
ABLE:
– MOVIE,MUSIC AND SIMULATED
FOURSPEAKER ATTENUATORS:
– 4INDEPENDENT SPEAKERSCONTROL
IN 1.25dBSTEPSFOR BALANCEFACILITY
– INDEPENDENTMUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL BUS
DESCRIPTION
The TDA7345 is a volume tone (bass and treble)
balance (Left/Right) processor for quality audio
applications in car radio and Hi-Fi systems.
It reproduces surround sound by using phase
shifters and a signal matrix. Control of all the
functionsis accomplishedby serial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOSTechnology,
Low Distortion, Low Noise and DC stepping are
obtained.
November 1999
HP2
L-in
BASS-LA
BASS-LB
TREBLE-L
REC_OUT_R
REC_OUT_L
Lout
Rout
1
3
2
4
5
6
7
8
9
AGND
SCL
SDA
TREBLE-R
DIG GND
BASS-RB
BASS-RA
R-in
REAR OUT
23
22
21
20
19
17
18
16
15
D94AU191A
10
11
12
13
14
28
27
26
25
24
CREF
PS2
PS1
LP1
HP1
REAR IN
LP
PS4
PS3
Vs
PIN CONNECTION
ORDERING NUMBER:
TDA7345D
SO28
1/18
相關(guān)PDF資料
PDF描述
TDA7346D DIGITAL CONTROLLED SURROUND SOUND MATRIX
TDA7348D DIGITALLY CONTROLLED AUDIO PROCESSOR
TDA7348 Digitally Controlled Audio Processor(數(shù)控音頻處理器)
TDA7350A 22W Bridge-Stereo Amplifier for Car Radio(用于汽車收音機的22W橋式立體聲放大器)
TDA7350 22W BRIDGE-STEREO AMPLIFIER FOR CAR RADIO
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