mcp3424 datasheet

leopard

mcp3424 18-Bit, Multi-Channel ΔΣ Analog-to-Digital Converter withI2C™ Interface and On-Board Reference


Features
• 18-bit ΔΣ ADC with Differential Inputs:
- 2 channels: MCP3422 and MCP3423
- 4 channels: MCP3424
• Differential Input Full Scale Range: -VREF to
+V
REF
• Self Calibration of Internal Offset and Gain per
Each Conversion
• On-Board Voltage Reference (VREF):
- Accuracy: 2.048V ± 0.05%
- Drift: 15 ppm/°C
• On-Board Programmable Gain Amplifier (PGA):
- Gains of 1, 2, 4 or 8
• INL: 10 ppm of Full Scale Range
• Programmable Data Rate Options:
- 3.75 SPS (18 bits)
- 15 SPS (16 bits)
- 60 SPS (14 bits)
- 240 SPS (12 bits)
• One-Shot or Continuous Conversion Options
• Low Current Consumption:
- 135 µA typical
(VDD= 3V, Continuous Conversion)
- 36 µA typical
(VDD= 3V, One-Shot Conversion with 1 SPS)
• On-Board Oscillator
• I2C™ Interface:
- Standard, Fast and High Speed Modes
- User configurable two external address pins
for MCP3423 and MCP3424
• Single Supply Operation: 2.7V to 5.5V
• Extended Temperature Range: -40°C to +125°C



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