Simulated input/output 16-bit, 400 kSPS ADC voltage, current and impedance measurement capability Internal and external current and voltage channels Ultra-low leakage switch matrix and input multiplexer Input buffer, PGA Voltage DAC 2 dual-output voltage DAC output range: for 12-bit output, 0.2 V to 2.4 V (±2.28 sensor potential difference) 2 potentiostat and TIA amplifiers Ultra-low power, per amplifier 1 high-speed 12-bit voltage DAC sensor output range to: - 607 mV to + 607 mV High-speed TIA for impedance measurement Programmable gain amplifier on output Amplifier, accelerometer and reference voltage source 2 low-power, low-noise amplifiers suitable for potentiostat bias in electrochemical detection 2 low-power, low-noise TIAs suitable for measuring sensor current in the range of ±0.00005μA to ±3000μA Output programmable load and gain resistor Analog hardware accelerator Digital waveform generator DFT and digital filter 2.5 V and 1.828 on-chip precision reference voltage source Internal temperature sensor, ±2°C accuracy Impedance measurement range: < 1Ω 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 SRAM Application areas Gas detection Food quality Environmental monitoring (air, water and soil) Blood glucose meter Life sciences and biosensing analysis Bioimpedance measurement General amperometric detection, voltammetry and impedance spectroscopy analysis functions