ADI AD5940BCBZ-RL

AD5940BCBZ-RL Description générale

The AD5940BCBZ-RL is the ultimate solution for high precision measurement applications in portable devices. Its advanced analog front end is designed for accurate and reliable measurements using electrochemical-based techniques like amperometric, voltammetric, and impedance measurements. With its low power consumption, the AD5940BCBZ-RL is perfect for portable applications where battery life is a concern. Specifically engineered for skin impedance and body impedance measurements, this AFE can work in tandem with the AD8233 AFE to create a comprehensive bioelectric measurement system. Additionally, the AD5940BCBZ-RL is well-suited for electrochemical toxic gas sensing applications, providing precise and dependable measurements in challenging environments. Trust the AD5940BCBZ-RL for all your high precision measurement needs in portable electronics

Caractéristiques

• Analog input
  • 16-bit ADC with both 800 kSPS and 1.6 MSPS options
  • Voltage, current, and impedance measurement capability
    • Internal and external current and voltage channels
    • Ultralow leakage switch matrix and input mux
  • Input buffers and programmable gain amplifier
• Voltage DACs
  • Dual output voltage DAC with an output range of 0.2 V to 2.4 V
• 12-bit V_BIAS0 output to bias potentiostat
  • 6-bit V_ZERO0 output to bias TIA
  • Ultra low power: 1 µA
  • 1 high speed, 12-bit DAC
    • Output range to sensor: ±607 mV
    • Programmable gain amplifier on output with gain settings of 2 and 0.05
• Amplifiers, accelerators, and references
  • 1 low power, low noise potentiostat amplifier suitable for potentiostat bias in electrochemical sensing
  • 1 low noise, low power TIA, suitable for measuring sensor current output
    • 50 pA to 3 mA range
    • Programmable load and gain resistors for sensor output
  • Analog hardware accelerators
    • Digital waveform generator
    • Receive filters
    • Complex impedance measurement (DFT) engine
  • 1 high speed TIA to handle wide bandwidth input signals from 0.015 Hz up to 200 kHz
  • Digital waveform generator for generation of sinusoid and trapezoid waveforms
  • 2.5 V and 1.82 V internal reference voltage sources

Application

• Electrochemical measurements
• Electrochemical gas sensors
• Potentiostat/amperometric/voltammetry/cyclic voltammetry
• Bioimpedance applications
  
  • Skin impedance
  • Body impedance
• Continuous glucose monitoring
• Battery impedance

Caractéristiques