參數(shù)資料
型號： TLV320AIC3111IRHBT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： AUDIO AMPLIFIER, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù)： 109/156頁
文件大?。?/td> 1701K
代理商： TLV320AIC3111IRHBT
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1
3
Micbias
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MICBIAS
HPR
HPL
VOL/MICDET
Micpga
SLAS644B – JULY 2009 – REVISED OCTOBER 2009
www.ti.com
5.6.4.6
Example Setup for DRC
PGA gain = 12 dB
Threshold = –24 dB
Hysteresis = 3 dB
Hold time = 0 ms
Attack rate = 1.9531e–4 dB per 1/DAC_fS
Decay rate = 2.4414e–5 dB per 1/DAC_fS
Script
#Go to Page 0 w 30 00 00 #DAC => 12 db gain left w 30 41 18 #DAC => 12 db gain right w 30 42 18
#DAC => DRC Enabled for both channels, Threshold = -24 db, Hysteresis = 3 dB w 30 44 7F #DRC
Hold = 0 ms, Rate of Changes of Gain = 0.5 dB/Fs' w 30 45 00 #Attack Rate = 1.9531e-4 dB/Frame
, DRC Decay Rate =2.4414e-5 dB/Frame w 30 46 B6 #Go to Page 9 w 30 00 09 #DRC HPF w 30 0E 7F AB
80 55 7F 56 #DRC LPF W 30 14 00 11 00 11 7F DE
5.6.5
Headset Detection
The TLV320AIC3111 includes extensive capability to monitor a headphone, microphone, or headset jack,
to determine if a plug has been inserted into the jack, and then determine what type of
headset/headphone is wired to the plug. The device also includes the capability to detect a button press,
even, for example, when starting calls on mobile phones with headsets. Figure 5-34 shows the circuit
configuration to enable this feature.
Figure 5-34. Jack Connections for Headset Detection
56
APPLICATION INFORMATION
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC3111
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相關代理商/技術參數(shù)
參數(shù)描述
TLV320AIC3120 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Mono Audio Codec With Embedded miniDSP and Mono Class-D Speaker Amplifier
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TLV320AIC3120IRHBT 功能描述:接口—CODEC Low-Pwr Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC31EVM 功能描述:音頻 IC 開發(fā)工具 TLV320AIC31 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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
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