MCP3421 Key Features
- 18-bit ΔΣ ADC in a SOT-23-6 package
- Differential input operation
- Self calibration of Internal Offset and Gain per each conversion
- On-board Voltage Reference
- Accuracy: 2.048V ± 0.05%
- Drift: 5 ppm/°C
- On-board Programmable Gain Amplifier (PGA)
- Gains of 1,2,4 or 8
- On-board Oscillator
- INL: 10 ppm of FSR (FSR = 4.096V/PGA)