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EM357-RTR 数据表(PDF) 185 Page - List of Unclassifed Manufacturers |
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EM357-RTR 数据表(HTML) 185 Page - List of Unclassifed Manufacturers |
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185 / 240 page ![]() EM351 / EM357 10-10 120-035X-000D Preliminary Parameter Performance DNL (codes RMS) 0.007 0.009 0.013 0.015 0.024 0.03 0.05 0.082 ENOB (from single-cycle test) 5.6 7.0 8.5 10.0 11.4 12.6 13.1 13.2 SNR (dB) Single-Ended Differential 35 35 44 44 53 53 62 62 70 71 75 77 76 79 77 80 SINAD (dB) Single-Ended Differential 35 35 44 44 53 53 62 62 68 70 71 75 71 77 71 77 SDFR (dB) Single-Ended Differential 60 60 68 69 75 77 75 80 75 80 75 80 75 80 75 80 THD (dB) Single-Ended Differential -45 -45 -54 -54 -63 -63 -68 -71 -70 -76 -70 -77 -70 -78 -70 -78 ENOB (from SNR) Single-Ended Differential 5.6 5.6 7.1 7.1 8.6 8.6 10.0 10.1 11.4 11.5 12.1 12.5 12.4 12.9 12.5 13.0 ENOB (from SINAD) Single-Ended Differential 5.5 5.6 7.0 7.1 8.5 8.6 9.9 10.1 11.0 11.4 11.4 12.4 11.5 12.8 11.5 13.0 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 10-7. 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 10-8 describes the key ADC parameters measured at 25°C and VDD_PADS at 3.0 V, for a sampling clock of 6 MHz. ADC_HVSELP and ADC_HVSELN are programmed to 1 to enable the input buffer. The single-ended measurements were done at finput = 7.7% fNyquist; level = 1.2V p-p swing centered on 1.5V. The differential measurements were done at finput = 7.7% fNyquist, level = 1.2V p-p swing and a common mode voltage of 1.5V. Table 10-8. ADC Module Key Parameters for input buffer enabled and 6 MHz sampling Parameter Performance ADC_PERIOD 0 1 2 3 4 5 6 7 Conversion Time (µs) 32 64 128 256 512 1024 2048 4096 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 |
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