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6PADC3101TRGERQ1 数据表(PDF) 33 Page - Texas Instruments |
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6PADC3101TRGERQ1 数据表(HTML) 33 Page - Texas Instruments |
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33 / 86 page  TLV320ADC3101-Q1 www.ti.com SLAS816B – MARCH 2012 – REVISED AUGUST 2012 ADC Decimation Filtering and Signal Processing The TLV320ADC3101-Q1 ADC channel includes a built-in digital decimation filter to process the oversampled data from the delta-sigma modulator to generate digital data at the Nyquist sampling rate with high dynamic range. The decimation filter can be chosen from three different types, depending on the required frequency response, group delay and sampling rate. Processing Blocks The TLV320ADC3101-Q1 offers a range of processing blocks which implement various signal processing capabilities along with decimation filtering. These processing blocks give users the choice of how much and what type of signal processing they may use and which decimation filter is applied. The signal processing blocks available are: • First-order IIR • Scalable number of biquad filters • Variable-tap FIR filter • AGC The processing blocks are tuned for common cases and can achieve high anti-alias filtering or low group delay in combination with various signal processing effects such as audio effects and frequency shaping. The available first-order IIR, biquad, and FIR filters have fully user-programmable coefficients. ADC processing blocks can be selected by writing to page 0 / register 61. The default (reset) processing block is PRB_R1. Table 7. ADC Processing Blocks Decimation First-Order Number of Processing Required AOSR Instruction Channel FIR Blocks Value Count Filter IIR Available Biquads PRB_R1 Stereo A Yes 0 No 128, 64 188 PRB_R2 Stereo A Yes 5 No 128, 64 240 PRB_R3 Stereo A Yes 0 25-tap 128, 64 236 PRB_R4 Right A Yes 0 No 128, 64 96 PRB_R5 Right A Yes 5 No 128, 64 120 PRB_R6 Right A Yes 0 25-tap 128, 64 120 PRB_R7 Stereo B Yes 0 No 64 88 PRB_R8 Stereo B Yes 3 No 64 120 PRB_R9 Stereo B Yes 0 20-tap 64 128 PRB_R10 Right B Yes 0 No 64 46 PRB_R11 Right B Yes 3 No 64 60 PRB_R12 Right B Yes 0 20-tap 64 64 PRB_R13 Right C Yes 0 No 32 70 PRB_R14 Stereo C Yes 5 No 32 124 PRB_R15 Stereo C Yes 0 25-tap 32 120 PRB_R16 Right C Yes 0 No 32 36 PRB_R17 Right C Yes 5 No 32 64 PRB_R18 Right C Yes 0 25-tap 32 62 Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 33 Product Folder Links :TLV320ADC3101-Q1 |
类似零件编号 - 6PADC3101TRGERQ1 |
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类似说明 - 6PADC3101TRGERQ1 |
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