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EM357-RTR 数据表(PDF) 184 Page - List of Unclassifed Manufacturers |
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EM357-RTR 数据表(HTML) 184 Page - List of Unclassifed Manufacturers |
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184 / 240 page ![]() EM351 / EM357 SNR (dB) Single-Ended Differential 35 35 44 44 53 53 62 62 70 71 75 77 77 79 77 80 SINAD (dB) Single-Ended Differential 35 35 44 44 53 53 61 62 67 70 69 75 70 76 70 76 SDFR (dB) Single-Ended Differential 59 60 68 69 72 77 72 80 72 81 72 81 72 81 73 81 THD (dB) Single-Ended Differential -45 -45 -54 -54 -62 -63 -67 -71 -69 -75 -69 -76 -69 -76 -69 -76 ENOB (from SNR) Single-Ended Differential 5.6 5.6 7.1 7.1 8.6 8.6 10.0 10.1 11.3 11.4 12.2 12.5 12.4 12.9 12.5 12.9 ENOB (from SINAD) Single-Ended Differential 5.5 5.6 7.0 7.0 8.5 8.5 9.9 10.0 10.9 11.3 11.2 12.1 11.3 12.3 11.3 12.4 Equivalent ADC Bits 7 [15:9] 8 [15:8] 9 [15:7] 10 [15:6] 11 [15:5] 12 [15:4] 13 [15:3] 14 [15:2] Note: INL and DNL are referenced to a LSB of the Equivalent ADC Bits shown in the last row of Table 10-6. ENOB (effective number of bits) can be calculated from either SNR (signal to non-harmonic noise ratio) or SINAD (signal-to-noise and distortion ratio). Table 10-7 describes the key ADC parameters measured at 25°C and VDD_PADS at 3.0 V, for a sampling rate of 6 MHz. ADC_HVSELP and ADC_HVSELN are programmed to 0 to disable the input buffer. The single-ended measurements were done at finput = 7.7% fNyquist; 0 dBFS level (where full-scale is a 1.2 V p-p swing). The differential measurements were done at finput = 7.7% fNyquist; -6 dBFS level (where full-scale is a 2.4 V p-p swing) and a common mode voltage of 0.6V Table 10-7. ADC Module Key Parameters for 6 MHz sampling Parameter Performance ADC_PERIOD 0 1 2 3 4 5 6 7 Conversion Time (µs) 5.33 10.7 21.3 42.7 85.3 171 341 683 Nyquist Freq (kHz) 93.8k 46.9k 23.4k 11.7k 5.86k 2.93k 1.47k 732 3 dB Cut-off (kHz) 56.6k 28.3k 14.1k 7.07k 3.54k 1.77k 884 442 INL (codes peak) 0.084 0.084 0.15 0.274 0.518 1.057 2.106 4.174 INL (codes RMS) 0.046 0.044 0.076 0.147 0.292 0.58 1.14 2.352 DNL (codes peak) 0.026 0.023 0.044 0.052 0.096 0.119 0.196 0.371 10-9 120-035X-000D Preliminary |
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