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參數(shù)資料
型號(hào)： TLV320AIC10IGQER
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝： MICRO, PLASTIC, BGA-80
文件頁(yè)數(shù)： 10/57頁(yè)
文件大小： 454K
代理商： TLV320AIC10IGQER
2–4
2.1.4
MIC Input
The auxiliary inputs (AURXFP, AURXCP, and AURXM) can be programmed to interface with a microphone such as
an electret microphone, as illustrated in Figure 2.5, by writing a 1 to bit D6 and D4 of control register 1. Enabling MIC
input with DG automatically selects AURx channel for ADC input.
Sigma-
Delta
ADC
PGA
TLV320AIC10
Anti-
Aliasing
Filter
AURXFP
Electret
Microphone
MIC_BIAS
VMID
10 k
AURXM
AURXCP
S2D
+
–
1 k
10 k
0.1
F
Vref
Figure 2–5. Typical Microphone Interface
2.1.5
Antialiasing Filter
The built-in antialiasing filter has a 3-dB cutoff frequency of 70 kHz.
2.1.6
Sigma-Delta ADC
The sigma-delta analog-to-digital converter is a sigma-delta modulator with 128
× oversampling. The ADC provides
high-resolution, low-noise performance using oversampling techniques. Due to the oversampling employed, only
single-pole RC filters are required on the analog inputs.
2.1.7
Decimation Filter
The decimation filters reduce the digital data rate to the sampling rate. This is accomplished by decimating with a ratio
of 1:64. The output of the decimation filter is a 16-bit 2s-complement data word clocking at the sample rate selected
for that particular data channel. The BW of the filter is 0.45
× FS and scales linearly with the sample rate.
2.1.8
Sigma-Delta DAC
The sigma-delta digital-to-analog converter is a sigma-delta modulator with 128
× oversampling. The DAC provides
high-resolution, low-noise performance using oversampling techniques.
2.1.9
Interpolation Filter
The interpolation filter resamples the digital data at a rate of 64 times the incoming sample rate. The high-speed data
output from the interpolation filter is then used in the sigma-delta DAC. The BW of the filter is 0.45 x FS and scales
linearly with the sample rate.
相關(guān)PDF資料
PDF描述
TLV320AIC11C SPECIALTY CONSUMER CIRCUIT, PQFP48
TLV320AIC11I SPECIALTY CONSUMER CIRCUIT, PQFP48
TLV320AIC11CPFB SPECIALTY CONSUMER CIRCUIT, PQFP48
TLV320AIC11IPFB SPECIALTY CONSUMER CIRCUIT, PQFP48
TLV320AIC11CPFBG4 SPECIALTY CONSUMER CIRCUIT, PQFP48
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV320AIC10IPFB 功能描述:接口—CODEC 16-Bit 22-KSPS DSP Codec RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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
TLV320AIC10IPFBG4 功能描述:接口—CODEC 18-Bit Regstr Bus Trncvr W/3-St Otpt RoHS:否 制造商:Texas Instruments 類(lèi)型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類(lèi)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
TLV320AIC10PFB 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:General-Purpose 3V to 5.5V 16-bit 22-KSPS DSP CODEC
TLV320AIC11 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:General-Purpose Low-Voltage 1.1V to 3.6V/0 16-bit 22-KSPS DSP CODEC
TLV320AIC1103 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:PCM CODEC
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