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參數資料
| 型號： | TDA7448 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 6 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 381K |
| 代理商： | TDA7448 |
1/14
TDA7448
June 2004
1
FEATURES
■
6 CHANNEL INPUTS
■
6 CHANNEL OUTPUTS
■
VOLUME ATTENUATION RANGE OF
0 TO -79dB
■
VOLUME CONTROL IN 1.0dB STEPS
■
6 CHANNEL INDEPENDENT CONTROL
■
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
2
DESCRIPTION
The TDA7448 is a 6 channel volume controller for
quality audio applications in Multi-Channels Audio
Systems
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are ob-
tained.
6 CHANNEL VOLUME CONTROLLER
Figure 2. Block Diagram
VOLUME
VS
VOLUME
I
2
C BUS
DECODER
SUPPLY
2
IN1
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
SDA
SCL
ADDR
D02AU1396
IN2
IN3
IN4
IN5
IN6
12
9
10
16
5
15
6
14
7
GND
CREF
19
3
18
4
17
11
20
1
50K
Figure 1. Package
Table 1. Order Codes
Part Number
Package
TDA7448
SO-20
TDA744813TR
Tape & Reel
SO-20
REV. 3
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PDF描述 |
|---|---|
| TDA744813TR | 6 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20 |
| TDA7449L | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP20 |
| TDA7449 | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP20 |
| TDA7449D | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20 |
| TDA7454 | 42 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA7448_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:6 CHANNEL VOLUME CONTROLLER |
| TDA744813TR | 功能描述:音頻放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7448-EVB | 功能描述:音頻 IC 開發(fā)工具 Eval Brd for TDA7448 RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TDA7449 | 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: 安裝風格: 封裝 / 箱體: 封裝:Tube |
| TDA7449_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR |
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