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參數(shù)資料
| 型號(hào)： | TDA7440 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
| 中文描述： | 音調(diào)控制數(shù)控音頻處理器 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 212K |
| 代理商： | TDA7440 |
1/17
TDA7440D
TONE CONTROL
April 1999
1
■
INPUT MULTIPLEXER
– 4 STEREO INPUTS
– SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
■
ONE STEREO OUTPUT
■
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
FEATURES
2
The TDA7440D is a volume tone (bass and treble)
balance (Left/Right) processor for quality audio
applications in Hi-Fi systems.
DESCRIPTION
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
DIGITALLY CONTROLLED AUDIO PROCESSOR
Figure 2. Block Diagram
0/30dB
2dB STEP
MUXOUTL
INL
VOLUME
VOLUME
TREBLE
TREBLE
TREBLE(L)
MUXOUTR
INR
TREBLE(R)
BOUT(L)
SPKR ATT
LEFT
LOUT
SCL
SDA
DIG_GND
ROUT
D98AU883
I
2
CBUS DECODER + LATCHES
100K
100K
100K
100K
G
L-IN1
L-IN2
L-IN3
L-IN4
100K
100K
100K
100K
R-IN1
R-IN2
R-IN3
R-IN4
G
INPUT MULTIPLEXER
+ GAIN
BASS
BIN(L)
BASS
SPKR ATT
RIGHT
BOUT(R)
BIN(R)
SUPPLY
CREF
AGND
V
S
27
4
5
6
7
3
2
1
28
21
22
20
26
24
25
10
11
19
12
13
23
8
9
18
14
15
R
B
R
B
V
REF
Figure 1. Package
Table 1. Order Codes
Part Number
TDA7440D
TDA7440D013TR
Package
SO-28
Tape & Reel
SO-28
REV. 3
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| TDA7440D | TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
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| TDA7442D | TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR |
| TDA7442D013TR | TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7440_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
| TDA7440D | 功能描述:音頻 DSP Tone Control Digital RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| TDA7440D013TR | 功能描述:IC PROCESSOR AUDIO DGTL 28-SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:- 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱:497-11050-6 |
| TDA7442 | 功能描述:多媒體雜項(xiàng) Tone Control Suround Digtal Cntrold Audio RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
| TDA7442D | 功能描述:多媒體雜項(xiàng) Tone Control Suround Digtal Cntrold Audio RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube |
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