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ADCs for Simultaneous Sampling

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Abstract: Multichannel analog-to-digital converters (ADCs) typically convert each input channel sequentially using an input multiplexer. Certain applications require simultaneous conversions, especially when phase information exists between different channels. For example, wireless applications require I and Q channels to be converted at the same instance, motor control and power monitoring requires voltage and current measurements and the phase angle between them. In the past, simultaneous sampling meant the designer had to use multiple ADCs, and perform parallel conversions on each channel. Simultaneous sampling ADCs now perform the task using multiple T/H to sample the inputs at the same instant, then perform the conversion for each channel.
Maxim > App Notes > A/D and D/A CONVERSION/SAMPLING CIRCUITS

Keywords: simultaneous sampling ADC, analog to digital converters, ADCs, analog digital, MAX126, MAX126, Oct 01, 2000
MAX115, MAX116, T/H, MUX, simultaneous sampling, motor control, I/Q sampling, wireless, I/Q, Coriolis,
Mass-flow, power fault

APPLICATION NOTE 290
ADCs for Simultaneous Sampling

Abstract: Multichannel analog-to-digital converters (ADCs) typically convert each input channel sequentially
using an input multiplexer. Certain applications require simultaneous conversions, especially when phase
information exists between different channels. For example, wireless applications require I and Q channels to
be converted at the same instance, motor control and power monitoring requires voltage and current
measurements an……
标签:MaximsimultaneoussamplingADCanalogtodigitalconvertersADCsanalogdigitalMAX126MAX126MAX115MAX116THMUXsimultaneoussamplingmotorcontrolIQsamplingwirelessIQCoriolisMass-flowpowerfault
ADCs for Simultaneous Sampling
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