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参数资料
| 型号： | TDA7418TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封装： | LEAD FREE, SOP-20 |
| 文件页数： | 7/29页 |
| 文件大小： | 387K |
| 代理商： | TDA7418TR |
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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
相关PDF资料 |
PDF描述 |
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| TDA7418 | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7419 | 功能描述:音频放大器 4 Band Car Audio Processor 8-10V RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7419TR | 功能描述:音频放大器 5 Band Car Audio Processor 8-10V RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7420 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:MULTIFUNCTIONAUDIO PROCESSOR |
| TDA7421 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS |
| TDA7421N | 制造商:ST 功能描述:AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS |
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