ADUCM355 数据手册 ( 数据表 ) - Analog Devices
零件编号
ADUCM355
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Analog Devices
GENERAL DESCRIPTION
The ADuCM355 is an on-chip system that controls and measures electrochemical sensors and biosensors. The ADuCM355 is an ultralow power, mixed-signal microcontroller based on the Arm® Cortex™-M3 processor. The device features current, voltage, and impedance measurement capability.
The ADuCM355 features a 16-bit, 400 kSPS, multichannel successive approximation register (SAR) analog-to-digital converter (ADC) with input buffers, built-in antialias filter (AAF), and programmable gain amplifier (PGA). The current inputs include three transimpedance amplifiers (TIA) with programmable gain and load resistors for measuring different sensor types. The analog front end (AFE) also contains two low power amplifiers designed specifically for potentiostat capability to maintain a constant bias voltage to an external electrochemical sensor. The noninverting inputs of these two amplifiers are controlled by on-chip, dual output digital-to-analog converters (DACs). The analog outputs include a high speed DAC and output amplifier designed to generate an ac signal.
APPLICATIONS
Gas detection
Food quality
Environmental sensing (air, water, and soil)
Blood glucose meters
Life sciences and biosensing analysis
Bioimpedance measurements
General amperometry, voltammetry, and impedance
spectroscopy functions
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