ADUCM355BCCZ-RL7

FEATURES Analog input/output 16-bit, 400 kSPS ADC Voltage, current, and impedance measurement capability Internal and external current and voltage channels Ultralow leakage switch matrix and input mux Input buffers, PGA Voltage DACs Two dual output voltage DACs Output range: 0.2 V to 2.4 V (±2.2 V voltage potential to sensor) for 12-bit outputs Two bias potentiostat and TIA amplifiers Ultralow ...
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FEATURES Analog input/output 16-bit, 400 kSPS ADC Voltage, current, and impedance measurement capability Internal and external current and voltage channels Ultralow leakage switch matrix and input mux Input buffers, PGA Voltage DACs Two dual output voltage DACs Output range: 0.2 V to 2.4 V (±2.2 V voltage potential to sensor) for 12-bit outputs Two bias potentiostat and TIA amplifiers Ultralow power, 1 μA per amplifier One high speed 12-bit voltage DAC Output range to sensor: −607 mV to +607 mV High speed TIA for impedance measurements Programmable gain amplifier on output Amplifiers, accelerators, and references Two low power, low noise amplifiers Suitable for potentiostat bias in electrochemical sensing Two low power, low noise TIAs Suitable for measuring sensor current output in the ±0.00005 μA to ±3000 μA range Programmable load and gain resistors Analog hardware accelerators Digital waveform generator (refer to the ADuCM355 Hardware Reference Manual) DFT and digital filters 2.5 V and 1.82 V on-chip, precision voltage references Internal temperature sensor, ±2°C accurate Impedance measurement range of <1 Ω to 10 MΩ, 0.016 Hz to 200,000 Hz Voltammetry scan rate up to 2000 steps per second Microcontroller 26 MHz Arm Cortex-M3 processor Serial wire port supports code download and debugging 128 kB flash/64 kB of SRAM Security and safety Hardware cyclic redundancy check (CRC) with programmable polynomial generator (refer to the ADuCM355 Hardware Reference Manual) Read and write protection of user flash On-chip peripherals UART, I2C, and SPI serial input/output Up to 17 GPIO pins External interrupt option General-purpose, wake-up, and watchdog timers Power 2.8 V to 3.6 V supply and active measurement range Power supply monitor Active current consumption: 30 μA/MHz for digital section Hibernate with bias to external sensor: 8.5 μA Shutdown mode with no SRAM retention: 2 μA Package and temperature range 6 mm × 5 mm, 72-lead LGA package Fully specified for −40°C to +85°C ambient operation 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 SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OSCILLATORS POTENTIOSTAT 0: AMPLIFIERS AND DAC CURRENT CHANNELS VOLTAGE CHANNELS INTERNAL CHANNELS TEMPERATURE CHANNELS POTENTIOSTAT 1: AMPLIFIERS AND DAC ARM Cortex-M3 16-BIT ADC SRAM FLASH MEMORY LDOs PORs VOLTAGE REFERENCES SWD IMPEDANCE ENGINE AMPLIFIERS AND DAC TIMERS: WATCHDOG, WAKE-UP, GENERALPURPOSE GPIOs WITH EXTERNAL INTERRUPTS 16674-001 Data Sheet Precision Analog Microcontroller with Chemical Sensor Interface ADuCM355 Figure 1. Rev. C Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2019–2020 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com PDF
Документация на серию ADUCM355 

ADuCM355 (Rev. C) Precision Analog Microcontroller with Chemical Sensor Interface

Дата модификации: 20.04.2020

Размер: 801 Кб

28 стр.

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