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AD7533JNZ 数据表(PDF) 5 Page - Analog Devices |
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AD7533JNZ 数据表(HTML) 5 Page - Analog Devices |
5 / 12 page AD7533 Rev. C | Page 5 of 12 TERMINOLOGY Relative Accuracy Relative accuracy or endpoint nonlinearity is a measure of the maximum deviation from a straight line passing through the endpoints of the DAC transfer function. It is measured after adjusting for ideal zero and full scale and is expressed in % of full-scale range or (sub) multiples of 1 LSB. Resolution Value of the LSB. For example, a unipolar converter with n bits has a resolution of (2–n) (VREF). A bipolar converter of n bits has a resolution of [2–(n–1)] (VREF). Resolution in no way implies linearity. Settling Time Time required for the output function of the DAC to settle to within ½ LSB for a given digital input stimulus, that is, 0 to full scale. Gain Error Gain error is a measure of the output error between an ideal DAC and the actual device output. It is measured with all 1s in the DAC after offset error is adjusted out and is expressed in LSBs. Gain error is adjustable to zero with an external potentiometer. Feedthrough Error Error caused by capacitive coupling from VREF to output with all switches off. Output Capacitance Capacity from IOUT1 and IOUT2 terminals to ground. Output Leakage Current Current that appears on IOUT1 terminal with all digital inputs low or on IOUT2 terminal when all inputs are high. |
类似零件编号 - AD7533JNZ |
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类似说明 - AD7533JNZ |
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