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AD7873 数据表(PDF) 8 Page - Analog Devices |
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AD7873 数据表(HTML) 8 Page - Analog Devices |
8 / 28 page AD7873 Rev. D | Page 8 of 28 TERMINOLOGY Integral Nonlinearity This is the maximum deviation from a straight line passing through the endpoints of the ADC transfer function. The endpoints of the transfer function are zero scale, a point 1 LSB below the first code transition, and full scale, a point 1 LSB above the last code transition. Differential Nonlinearity This is the difference between the measured and the ideal 1 LSB change between any two adjacent codes in the ADC. Offset Error This is the deviation of the first code transition (00 . . . 000) to (00 . . . 001) from the ideal, that is, AGND + 1 LSB. Gain Error This is the deviation of the last code transition (111 . . . 110) to (111 . . . 111) from the ideal (that is, VREF – 1 LSB) after the offset error is adjusted out. Track-and-Hold Acquisition Time The track-and-hold amplifier enters the acquisition phase on the fifth falling edge of DCLK after the START bit has been detected. Three DCLK cycles are allowed for the track-and-hold acquisition time. The input signal is fully acquired to the 12-bit level within this time even with the maximum specified DCLK frequency. See the Analog Input section for more details. On-Resistance This is a measure of the ohmic resistance between the drain and source of the switch drivers. |
类似零件编号 - AD7873 |
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类似说明 - AD7873 |
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