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參數資料
| 型號： | TLV320AIC10IGQE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| 封裝： | MICRO, PLASTIC, BGA-80 |
| 文件頁數： | 10/57頁 |
| 文件大小： | 454K |
| 代理商： | TLV320AIC10IGQE |
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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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLV320AIC10IGQER | 功能描述:接口—CODEC 16-Bit 22-KSPS DSP Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
| TLV320AIC10IPFB | 功能描述:接口—CODEC 16-Bit 22-KSPS DSP Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
| TLV320AIC10IPFBG4 | 功能描述:接口—CODEC 18-Bit Regstr Bus Trncvr W/3-St Otpt RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量: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 |
| TLV320AIC10PFB | 制造商:TI 制造商全稱: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:Texas Instruments 功能描述:General-Purpose Low-Voltage 1.1V to 3.6V/0 16-bit 22-KSPS DSP CODEC |
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