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參數資料
| 型號： | TDA7439 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30 |
| 封裝： | 0.400 INCH, SDIP-30 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 296K |
| 代理商： | TDA7439 |
March 2008
Rev 11
1/23
23
TDA7439
Three-band digitally-controlled audio processor
Features
! Input multiplexer
– four stereo inputs
– selectable input gain for optimal adaptation
to different sources
! Single stereo output
! Treble, mid-range and bass control in 2-dB
steps
! Volume control in 1-dB steps
! Two speaker attenuators:
– two independent speaker controls in 1-dB
steps for balance facility
– independent mute function
! All functions are programmable via serial bus.
Description
The TDA7439 is a volume, tone (bass, mid-range
and treble) and balance (left/right) processor for
high-quality audio applications in car-radio and
Hi-Fi systems. Selectable input gain is provided.
All the functions are controlled by serial bus.
The AC signal setting is obtained by resistor
networks and switches combined with operational
amplifiers.
The TDA7439 employs BIPOLAR/CMOS
technology to provide low distortion, low noise
and DC stepping.
SDIP30
Table 1. Device summary
Order code
Package
Packaging
TDA7439
SDIP30
Tube
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA7439_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three-band digitally-controlled audio processor |
| TDA7439B | 功能描述:音頻 DSP 3-Band Digital Cont 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 |
| TDA7439D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR |
| TDA7439DS | 功能描述:音頻 DSP 3-Band Digital Cont 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 |
| TDA7439DS_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three-band digitally-controlled audio processor |
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