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AD7843 bảng dữ liệu(PDF) 8 Page - Analog Devices |
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AD7843 bảng dữ liệu(HTML) 8 Page - Analog Devices |
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8 / 21 page  AD7843 Rev. B | Page 7 of 20 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 (VREF − 1 LSB) after the offset error has been 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. |
Số phần tương tự - AD7843 |
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Mô tả tương tự - AD7843 |
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