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参数资料
| 型号： | TLV320AIC10CPFB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封装： | GREEN, PLASTIC, TQFP-48 |
| 文件页数： | 10/57页 |
| 文件大小： | 454K |
| 代理商： | TLV320AIC10CPFB |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV320AIC10CPFBG4 | 功能描述:接口—CODEC 16-Bit Reg Trnscvr With 3-State Outputs RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| TLV320AIC10EVM | 功能描述:音频 IC 开发工具 TLV320AIC10 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TLV320AIC10I | 制造商:TI 制造商全称:Texas Instruments 功能描述:General-Purpose 3V to 5.5V 16-bit 22-KSPS DSP CODEC |
| TLV320AIC10IGQER | 功能描述:接口—CODEC 16-Bit 22-KSPS DSP Codec RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| TLV320AIC10IPFB | 功能描述:接口—CODEC 16-Bit 22-KSPS DSP Codec RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
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