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ADS5294IPFPR 数据表(PDF) 11 Page - Texas Instruments |
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ADS5294IPFPR 数据表(HTML) 11 Page - Texas Instruments |
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11 / 81 page  ADS5294 www.ti.com SLAS776D – NOVEMBER 2011 – REVISED SEPTEMBER 2015 Electrical Characteristics Dynamic Performance (continued) Typical values are at 25°C, AVDD = 1.8 V, LVDD = 1.8 V, 50% clock duty cycle, –1 dBFS differential analog input, Sample rate = 80 MSPS, ADC is configured in internal reference mode (unless otherwise noted). MIN and MAX values are across the full temperature range TMIN = –40°C to TMAX = 85°C, AVDD = 1.8 V, LVDD = 1.8 V. PARAMETERS TEST CONDITIONS MIN TYP MAX UNIT DC ACCURACY Offset error Across devices and across channels within a device –15 15 mV Temperature coefficient of offset error < 0.01 mV/ °C Gain error due to internal reference E(GREF) Across devices –2 2 %FS inaccuracy alone E(GCHAN) Gain error of channel alone 0.5 %FS Temperature coefficient of E(GCHAN) < 0.01 %FS/ °C POWER SUPPLY 80 MSPS, 14 Bit, 2-wire LVDS 77 mW/CH 50 MSPS, 1 wire LVDS 58 mW/CH 40 MSPS, 14 Bit, 1-wire LVDS 52 mW/CH Power consumption 10 MSPS, 14 Bit, 1-wire LVDS 33 mW/CH fin = 10 MHz, 80 MSPS, 14 Bit, 100 mW/CH Decimation filter = 2, 1-wire LVDS 14 Bit, 80 MSPS 230 265 mA AVDD 14 Bit, 65 MSPS 200 mA 14 Bit, 40 MSPS 155 mA 80 MSPS, 14 Bit, 2-wire LVDS 111 122 mA 50 MSPS, 14 Bit, 1-wire LVDS 80 mA LVDD 40 MSPS, 14 Bit, 1-wire LVDS 73 mA 80 MSPS, 1 Bit, Decimation filter = 2, 210 mA 1-wire LVDS Partial Power Down (80 MSPS, 2-wire) 175 mW Power-down power consumption Complete Power Down 60 mW Power supply modulation ratio Carrier = 5 MHz, f(PSRR) = 10 kHz, 50 mVpp on AVDD 35 dB Power supply rejection ratio AC power supply rejection ratio f = 10 kHz 55 dB Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: ADS5294 |
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