Transcription of 18-Bit ADC with I2C Interface and Onboard Reference DS
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18-Bit ADC with I2C Interface and Onboard Reference DS
2009 Microchip Technology 1 MCP3426/7/8 Features 16-bit ADC with Differential Inputs:- 2 channels: MCP3426 and MCP3427- 4 channels: MCP3428 Differential Input Full Scale Range: -VREF to +VREF Self Calibration of Internal Offset and Gain per Each Conversion On-Board Voltage Reference (VREF):- Accuracy: 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:- 15 SPS (16 bits)- 60 SPS (14 bits)- 240 SPS (12 bits) One-Shot or Continuous Conversion Options Low Current Consumption (VDD= 3V): - Continuous Conversion: 135 A typical - One-Shot Conversion with 1 SPS: - 9 A typical for 16 bit mode- A typical for 14 bit mode- A typical for 12 bit mode On-Board Oscillator I2C Interface : - Standard, Fast and High Speed Modes- User configurable two external address selection pins for MCP3427 and MCP3428 Single Supply Operation: to Extended Temperature Range: -40 C to +125 CTypical Applications Portable Instrumentation and Consumer Goods Temperature Sensing with RTD, Thermistor, and Thermocouple Bridge Sensing for Pressure, Strain, and Force Weigh Scales and Ba
Mar 26, 2009 · 16 Bit Delta-Sigma Analog-to-Digital (ΔΣ A/D) Con-verter family members of the MCP342X series from Microchip Technology Inc. These devices can convert analog inputs to digital codes with up to 16 bits of reso-lution. The MCP3426 and MCP3427 devices have two differential input channels and the MCP3428 has four differential input channels.
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