(ADC:失调误差和增益误差的说明)ADC - Offset Error and Gain Error Explained是【讲座】ADC和DAC(模数和数模转换器)(ADC and DAC (Analog to Digital And Digital to Analog )的第9集视频,该合集共计10集,视频收藏或关注UP主,及时了解更多相关视频内容。
FOC在进行下端采样的时候,想用adc的注入通道去读三相的电流值,读取的电流跳的太大了此时开启了了tim1的channel4,其他三个通道都没开启,是用tim1的channel4的去触发的,这样根本没法读取有效的offset, 视频播放量 506、弹幕量 0、点赞数 7、投硬币枚数 0、收藏人数 3、转
注入ADC左对齐时右移3位才是真实的转换值。电流采样值的Q15格式为：((ADC1->JDR1<<1)>>4)/4096*Vref*2^15=(((ADC1->JDR1<<1)>>4)>>12)*Vref)<<15=ADC1->JDR1<<1.VREF为2v
A system and method of dynamic offset compensation that is particularly adaptable to analog-to-digital conversion performed in control applications employing highly integrated Digital Signal Processor (DSP) devices. The system providing dynamic compensation of Analog-to-Digital Converter (ADC) zero level ...
Measurements show that the ADC achieves 20-bit resolution, 6 ppm INL and 1 μV offset in a conversion time of 40 ms, while drawing only 3.5 μA current from a 1.8 V supply. This corresponds to a state-of-the-art figure-of-merit (FoM) of 182.7 dB. The 0.35 mm2 chip was fabricate...
and arranged with the ADC circuitry to detect offset variation in the outputs of each comparators for the shuffled inputs, relative to outputs of the plurality of comparators and compensate for the offset variation in the comparators based on the offset differences between the respective comparators....
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ADA4945-1 High-Speed, ±0.3µV/°C Offset Drift, Fully Differential ADC Driver 数据: ADA4945-1产品技术英文资料手册 优势和特点 Fully specified dual power mode operation 4 mA full power mode (200 MHz) 1.4 mA low power mode (80 MHz) Full power mode Low harmonic distortion −140 ...
ADA4945-1 High-Speed, ±0.3µV/°C Offset Drift, Fully Differential ADC Driver 优势和特点 Fully specified dual power mode operation 4 mA full power mode (200 MHz) 1.4 mA low power mode (80 MHz) Full power mode Low harmonic distortion...
a. The standard states that the child offset defined by the chOff element specifies the location of the child extents