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AD4134 bảng dữ liệu(PDF) 32 Page - Analog Devices |
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AD4134 bảng dữ liệu(HTML) 32 Page - Analog Devices |
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32 / 92 page ![]() Data Sheet AD4134 NOISE PERFORMANCE AND RESOLUTION analog.com Rev. 0 | 32 of 92 Table 9 to Table 16 contain the data of the noise performance for the wideband 0.433 × ODR filter, wideband 0.10825 × ODR filter, sinc6 filter, and the sinc3 digital filter of the AD4134 for various output data rates and channel averaging settings. The noise values and dynamic range specified are typical for the bipolar input range with an external 4.096 V reference (VREF). The rms noise is measured with shorted analog inputs. The dynam- ic range is calculated as Dynamic Range (dB) = 20log10((2 × VREF/2√2)/(RMS Noise) The LSB size is calculated as follows: LSB Size = (2 × VREF)/224 where LSB Size is 488 nV with a 4.096 V reference. Table 9. Wideband 0.433 × ODR Filter, High Performance Mode Noise Performance vs. Output Data Rate (VREF = 4.096 V) Output Data Rate (kSPS) −3 dB Bandwidth (kHz) Single Channel 2:1 Channel Averaging 4:1 Channel Averaging Dynamic Range (dB) RMS Noise (µV) Dynamic Range (dB) RMS Noise (µV) Dynamic Range (dB) RMS Noise (µV) 374 161.94 107.21 12.63 110.46 8.68 113.46 6.15 325 140.73 108.09 11.41 111.21 7.96 114.25 5.61 285 123.41 108.65 10.69 111.81 7.43 114.8 5.27 256 110.85 109.21 10.03 112.5 6.87 115.26 4.99 235 101.76 109.71 9.47 112.79 6.63 115.85 4.67 200 86.60 110.58 8.57 113.63 6.02 116.57 4.29 175 75.78 111.12 8.05 114.27 5.6 117.25 3.97 128 55.42 112.72 6.70 115.66 4.77 118.68 3.37 100 43.30 113.71 5.97 116.81 4.17 119.83 2.95 80 34.64 114.80 5.27 117.9 3.68 120.78 2.64 64 27.71 115.83 4.68 118.87 3.29 121.87 2.33 32 13.86 118.91 3.28 121.82 2.34 124.89 1.65 16 6.93 121.94 2.32 124.81 1.66 127.8 1.17 10 4.33 123.80 1.87 126.67 1.34 129.76 0.94 5 2.17 126.68 1.34 129.55 0.96 132.34 0.69 2.5 1.08 129.36 0.99 132.32 0.7 135.08 0.51 Table 10. Wideband 0.433 × ODR Filter, Low Power Mode Noise Performance vs. Output Data Rate (VREF = 4.096 V) Output Data Rate (kSPS) −3 dB Bandwidth (kHz) Single Channel 2:1 Channel Averaging 4:1 Channel Averaging Dynamic Range (dB) RMS Noise (µV) Dynamic Range (dB) RMS Noise (µV) Dynamic Range (dB) RMS Noise (µV) 374 161.94 100.42 27.61 103.41 19.55 106.33 13.96 325 140.73 102.03 22.93 105.04 16.21 107.96 11.57 285 123.41 103.21 20.01 106.37 13.9 109.21 10.03 256 110.85 104.08 18.10 107.12 12.75 110.12 9.03 235 101.76 104.67 16.91 107.89 11.68 110.64 8.50 200 86.60 105.80 14.85 108.97 10.31 111.76 7.47 175 75.78 106.64 13.48 109.79 9.37 112.55 6.82 128 55.42 108.29 11.15 111.32 7.87 114.31 5.57 100 43.30 109.49 9.71 112.55 6.83 115.51 4.85 80 34.64 110.58 8.57 113.54 6.09 116.47 4.34 64 27.71 111.63 7.59 114.68 5.34 117.61 3.81 32 13.86 114.72 5.32 117.75 3.75 120.64 2.68 16 6.93 117.69 3.78 120.78 2.64 123.71 1.88 10 4.33 119.73 2.99 122.72 2.11 125.76 1.49 5 2.17 122.79 2.10 125.66 1.50 128.61 1.07 2.5 1.08 125.64 1.51 128.58 1.07 131.48 0.77 |
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