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參數(shù)資料
| 型號(hào)： | TDA7440D |
| 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)： | 1/17頁(yè) |
| 文件大小： | 735K |
| 代理商： | TDA7440D |
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TDA7440
April 2010
1
FEATURES
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
2
DESCRIPTION
The TDA7440D 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
TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
Figure 2. Block Diagram
0/30dB
2dB STEP
MUXOUTL
INL
VOLUME
TREBLE
TREBLE(L)
MUXOUTR
INR
TREBLE(R)
BOUT(L)
SPKR ATT
LEFT
LOUT
SCL
SDA
DIG_GND
ROUT
D98AU883
I
2CBUS DECODER + LATCHES
100K
G
L-IN1
L-IN2
L-IN3
L-IN4
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
VS
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
RB
VREF
Figure 1. Package
Table 1. Order Codes
Order code
Package
TDA7440D
SO-28
TDA7440D013TR
Tape & Reel
SO-28
REV. 4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7440D013TR | 功能描述:IC PROCESSOR AUDIO DGTL 28-SOIC RoHS:是 類(lèi)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(lèi)型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:64-LQFP EP（10x10） 包裝:Digi-Reel® 其它名稱(chēng):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(lèi)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(lèi)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 |
| TDA7442D013TR | 功能描述:多媒體雜項(xiàng) Tone Control Suround Digtal Cntrold Audio RoHS:否 制造商:Texas Instruments 類(lèi)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 |
| TDA7443D | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR WITH AGC |
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