AD5940BCBZ-RL

AD5940 is a high precision, impedance, and electrochemical front end. It is high precision, low power analogue front ends (AFEs) designed for portable applications that require high precision, electrochemical-based measurement techniques, such as amperometric, voltammetric, or impedance measurements. It is designed for skin impedance and body impedance measurements, and works with the AD8233 AFE in a complete bioelectric or biopotential measurement system. The AD5940 is designed for electrochemical toxic gas sensing. This consist of two high precision excitation loops and one common measurement channel, which enables a wide capability of measurements of the sensor under test. Application includes electrochemical measurements, electrochemical gas sensors, potentiostat/amperometric/voltammetry/cyclic, voltammetry, bioimpedance applications, skin impedance, body impedance, continuous glucose monitoring, battery impedance.

• 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 0.2V to 2.4V
• Programmable gain amplifier on output with gain settings of 2 and 0.05
• Amplifiers, accelerators, and references
• 1 low noise/power potentiostat amplifier suitable for potentiostat bias in electrochemical sensing
• 1 low noise, low power TIA, suitable for measuring sensor current output
• 56 ball WLCSP package, operating temperature range from -40°C to +85°C

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ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party