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參數(shù)資料
型號(hào)： TLV320AIC3107IRSBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2 CHANNEL, AUDIO AMPLIFIER, PQCC40
封裝： 5 X 5 MM, 0.40 MM PITCH, GREEN, PLASTIC, WQFN-40
文件頁(yè)數(shù)： 26/99頁(yè)
文件大?。?/td> 1474K
代理商： TLV320AIC3107IRSBR
B0155-01
LB1
RB2
Atten
LB2
L
+
–
+
R
ToLeftChannel
ToRightChannel
SLOS545C – NOVEMBER 2008 – REVISED MARCH 2009 .............................................................................................................................................. www.ti.com
The coefficients for this filter implement a variety of sound effects, with bass-boost or treble boost being the most
commonly used in portable audio applications. The default N and D coefficients in the part are given in Table 3
and implement a shelving filter with 0 dB gain from DC to approximately 150 Hz, at which point it rolls off to a 3
dB attenuation for higher frequency signals, thus giving a 3 dB boost to signals below 150 Hz. The N and D
coefficients are represented by 16-bit two’s complement numbers with values ranging from –32768 to 32767.
Table 3. Default Digital Effects Processing Filter Coefficients,
When in Independent Channel Processing Configuration
Coefficients
N0 = N3
D1 = D4
N1 = N4
D2 = D5
N2 = N5
27619
32131
–27034
–31506
26461
The digital processing also includes capability to implement 3-D processing algorithms by providing means to
process the mono mix of the stereo input, and then combine this with the individual channel signals for stereo
output playback. The architecture of this processing mode, and the programmable filters available for use in the
system, is shown in Figure 27. Note that the programmable attenuation block provides a method of adjusting the
level of 3-D effect introduced into the final stereo output. This combined with the fully programmable biquad filters
in the system enables the user to fully optimize the audio effects for a particular system and provide extensive
differentiation from other systems using the same device.
Figure 27. Architecture of the Digital Audio Processing When 3-D Effects are Enabled
It is recommended that the digital effects filters should be disabled while the filter coefficients are being modified.
While new coefficients are being written to the device over the control port, it is possible that a filter using
partially updated coefficients may actually implement an unstable system and lead to oscillation or objectionable
audio output. By disabling the filters, changing the coefficients, and then re-enabling the filters, these types of
effects can be entirely avoided.
32
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC3107
相關(guān)PDF資料
PDF描述
TLV320AIC3107YZFR 2 CHANNEL, AUDIO AMPLIFIER, PBGA42
TLV320AIC3110IRHBR AUDIO AMPLIFIER, PQCC32
TLV320AIC3110IRHBT AUDIO AMPLIFIER, PQCC32
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV320AIC3107IRSBT 功能描述:接口—CODEC Low Pwr Stereo 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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC3107IYZFR 功能描述:接口—CODEC Low-Pwr Stereo 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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC3107IYZFT 功能描述:接口—CODEC Low-Pwr Stereo 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(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
TLV320AIC3107YZFR 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-POWER STEREO CODEC WITH INTEGRATED MONO CLASS-D SPEAKER AMPLIFIER
TLV320AIC3110 制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Power Audio Codec With Audio Procsessing and Stereo Class-D Speaker Amplifier
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