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參數(shù)資料
| 型號： | TDA7418 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | LEAD FREE, SOP-20 |
| 文件頁數(shù)： | 7/29頁 |
| 文件大?。?/td> | 387K |
| 代理商： | TDA7418 |
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TDA7418
Description of the audioprocessor
4.5
SoftStep volume
When the volume-level is changed audible clicks could appear at the output. The root cause
of those clicks
could either be a DC-Offset before the volume-stage or the sudden change of the envelope
of the audio signal. With the SoftStep-feature both kinds of clicks could be reduced to a
minimum and are no more audible.
Eight programmable softstep time from one step to the next are user selectable.
Figure 8.
SoftStep timing
1.
For steps more than 1dB the SoftStep mode should be deactivated because it could generate 1dB error
step during the blend-time.
4.6
Bass
There are four parameters programmable in the bass stage:
4.6.1
Attenuation
Figure 9 shows the attenuation as a function of frequency at a center frequency of 80Hz.
Figure 9.
Bass control @ fC = 80Hz, Q = 1
1dB
0.5dB
-0.5dB
-1dB
Time
D00AU1170
VOUT
SS Time
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| TDA7419TR | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| TDA7419 | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| TDA7420 | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| TDA7421N | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| TDA7421 | AUDIO SINGLE CHIP RECEIVER, PQFP64 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7418TR | 功能描述:音頻放大器 3 Band Car Audio Processor 8-10V 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 |
| TDA7419 | 功能描述:音頻放大器 4 Band Car Audio Processor 8-10V 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 |
| TDA7419TR | 功能描述:音頻放大器 5 Band Car Audio Processor 8-10V 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 |
| TDA7420 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTIFUNCTIONAUDIO PROCESSOR |
| TDA7421 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS |
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