參數(shù)資料
型號： TDA7719
廠商： STMICROELECTRONICS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝： ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù)： 10/46頁
文件大?。?/td> 590K
代理商： TDA7719
Description
TDA7719
Doc ID 13698 Rev 4
4.3.3
High frequency boost
Figure 7 shows the different Loudness shapes in low and high frequency boost.
Figure 7.
Loudness attenuation, fc =2.4 kHz
4.3.4
Flat mode
In flat mode the loudness stage works as a 0dB to -15dB attenuator.
4.4
SoftMute
The digitally controlled SoftMute stage allows muting/demuting the signal with a I2C-bus
programmable slope. The mute process can either be activated by the SoftMute pin or by
the I2C-bus. This slope is realized in a special S-shaped curve to mute slow in the critical
regions (see Figure 8).
For timing purposes the Bit0 of the I2C-bus output register is set to 1 from the start of muting
until the end of demuting.
Figure 8.
SoftMute timing
1.
A started Mute action is always terminated and could not be interrupted by a change of the mute signal.
1
EXT.
MUTE
+SIGNAL
REF
-SIGNAL
1
I
2C BUS
OUT
Time
D97AU634
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7719TR 功能描述:音頻放大器 3 Band Car Audio Processor RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7730B 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:SINGLE CHIP RDS DEMODULATOR + FILTER
TDA7801 功能描述:音頻放大器 Digital Input Quad Bridge Pwr Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7801H 功能描述:音頻放大器 Digital Input Quad Bridge Pwr Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TDA7801PD 功能描述:音頻放大器 Digital Input Quad Bridge Pwr Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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