Analog Devices Inc

AD5940 Analog Front End

Analog Devices' ICs feature integrated hardware accelerators for advanced sensor diagnostics

Image of Analog Devices' AD5940 Analog Front End Analog Devices' AD5940 analog front end incorporates both potentiostat and electrochemical impedance spectroscopy (EIS) functionality. The device features integrated hardware accelerators for advanced sensor diagnostics and best-in-class low noise for accurate sensor measurements, and is designed for wearable “always-on” applications. It is on a single chip, allowing for sensor measurement in both time and frequency domains.

Features
  • 2.8 V to 3.6 V supply
  • 1.82 V input/output compliant
  • Power-on reset
  • Hibernate mode with low power DAC and potentiostat amplifier powered up to maintain sensor bias
  • 3.6 mm × 4.2 mm, 56-ball WLCSP
  • Operating temperature range: -40°C to +85°C
  • SPI serial input/output
  • Wake-up timer
  • Interrupt controller
Applications
  • Electrochemical measurements
  • Electrochemical gas sensors
  • Potentiostat/amperometric/voltammetry/cyclic
  • Bioimpedance applications
  • Skin impedance
  • Body impedance
  • Continuous glucose monitoring
  • Battery impedance
Published: 2019-09-10

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