sigma-delta analog-to-digital converter

sigma-delta analog-to-digital converter

[¦sig·mə ¦del·tə ‚an·ə‚läg tü ‚dij·əd·əl kən‚vərd·ər]
(electronics)
A converter that uses an analog circuit to generate a single-valued pulse stream in which the frequency of pulses is determined by the analog source, and then uses a digital circuit to repeatedly sum the number of these pulses over a fixed time interval, converting the pulses to numeric values.
References in periodicals archive ?
The ADE7913 is designed as an isolated, 3?channel Sigma-Delta Analog-to-Digital Converter (ADC), and can be used for a variety of applications.
The company's proprietary piezo-resistive MEMS technology combined with a high accuracy sensing element, low noise analog front end, and 16-bit sigma-delta analog-to-digital converter (ADC) are asserted to deliver superior performance.
Symphony's parts list is quite short, consisting of one or two RF front-end chips with AM, FM and weather band tuning capability; a digital DSP base band/audio processor; an IF sigma-delta analog-to-digital converter with integrated audio analog-to-digital and digital-to-analog converters.
The new expansion modules add a 24-bit sigma-delta analog-to-digital converter, additional digital I/O lines, as well as the ability to control AC and DC loads.
Our new LLSDADC100dB is a low power variant of our high-resolution sigma-delta analog-to-digital converter family.