參數(shù)資料
型號(hào): TDA7468D13TR
廠商: STMICROELECTRONICS
元件分類(lèi): 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: SO-28
文件頁(yè)數(shù): 1/23頁(yè)
文件大?。?/td> 249K
代理商: TDA7468D13TR
1/23
TDA7468
April 2010
1
FEATURES
INPUT MULTIPLEXER
– 4 STEREO INPUTS
– SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
ONE STEREO OUTPUT
BASS ALC
TREBLE AND BASS CONTROL IN 2.0dB
STEPS
VOLUME CONTROL IN 1.0dB STEPS
TWO SPEAKER ATTENUATORS:
– TWO INDEPENDENT SPEAKER CONTROL
IN 1.0dB STEPS FOR BALANCE FACILITY
– INDEPENDENT MUTE FUNCTION
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
EXTERNALLY ADJUSTABLE SURROUND
2
DESCRIPTION
The TDA7468D is a volume tone (bass and treble)
balance (Left/Right) processor for quality audio
applications in Hi-Fi systems.
Selectable input gain is provided. Control of all the
functions is accomplished by serial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are
obtained
TWO BANDS DIGITALLY CONTROLLED
AUDIO PROCESSOR WITH BASS ALC SURROUND
Figure 2. PIN CONNECTION (Top view)
IN4_L
MUX_L
IS_L
TREBLE_L
BASSI_L
OUT_L
BASSO_L
DGND
SCL
1
3
2
4
5
6
7
8
9
SDA
ALC
OUT_R
BASSI_R
BASSO_R
IS_R
MUX_R
TREBLE_R
IN4_R
23
22
21
20
19
17
18
16
15
D99AU1057
10
11
12
13
14
28
27
26
25
24
VS
MIC
IN1_L
IN2_L
IN3_L
IN3_R
IN2_R
IN1_R
CREF
GND
Rev. 4
Figure 1. Package
Table 1. Order Codes
Part Number
Package
TDA7468D
SO28
TDA7468D13TR
Tape & Reel
SO28
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