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AD5941 - High Precision Impedance and Electrochemical Front-End

Download the AD5941 datasheet PDF. This datasheet also covers the AD5940 variant, as both devices belong to the same high precision impedance and electrochemical front-end family and are provided as variant models within a single manufacturer datasheet.

General Description

Specifications 7 ADC RMS Noise Specifications 16 SPI Timing Specifications17 Absolute Maximum Ratings18 Thermal Resistance 18 ESD Caution18 Pin Configuration and Function Descriptions 19 Typical Performance Characteristics 22 Reference Test Circuit 24 Theory of Operation25 Configuration Registers25

Key Features

  • SPI serial input/output.
  • 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 VBIAS0 output to bias potentiostat.
  • 6-bit VZERO0 output to bias T.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD5940-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AD5941
Manufacturer Analog Devices
File Size 2.86 MB
Description High Precision Impedance and Electrochemical Front-End
Datasheet download datasheet AD5941 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Data Sheet AD5940/AD5941 High Precision, Impedance, and Electrochemical Front End FEATURES ► SPI serial input/output ► 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 VBIAS0 output to bias potentiostat ► 6-bit VZERO0 output to bias TIA ► Ultra low power: 1 µA ► 1 high speed, 12-bit DAC ► Output range from high-speed DAC (HSDAC): ±607 mV ► Programmable gain amplifier on HSDAC output with gain settings of 2 and 0.