MCP3424 18-Bit ADC – 4 Channel with Programmable Gain Amplifier Breakout Board

Description

MCP3424 18-Bit ADC – 4 Channel with Programmable Gain Amplifier Breakout Board The MCP3424 18-Bit ADC – 4 Channel with Programmable Gain Amplifier Breakout Board is a high-precision analog-to-digital converter module designed for applications requiring accurate low-noise signal measurement. Based on the MCP3424, it features four differential analog input channels, an integrated Programmable Gain Amplifier (PGA), and communicates through a simple I²C interface, making it ideal for Arduino, ESP32, Raspberry Pi, STM32, and other embedded platforms. Features: High-precision 18-bit Delta-Sigma ADC 4 differential analog input channels Built-in Programmable Gain Amplifier (PGA) Programmable gain settings: ×1, ×2, ×4, ×8 I²C communication interface Integrated 2.048V precision voltage reference Programmable resolutions: 12, 14, 16, and 18 bits Programmable conversion rates One-shot and continuous conversion modes Self-calibration for offset and gain Low power consumption Specifications: Parameter Value Model MCP3424. Resolution 12/14/16/18-Bit (Programmable). Input Channels 4 Differential. ADC Type Delta-Sigma (ΔΣ). Reference Voltage 2.048V (On-Board). Reference Accuracy ±0.05%. Reference Drift 15ppm/°C. PGA Gain Options 1, 2, 4, 8. Input Range -VREF to +VREF. INL 10ppm of FSR. Gain Error 0.05% (PGA=1, 18-bit). Offset Error 15µV (PGA=1, 18-bit). Data Rate (12-bit) 240SPS. Data Rate (14-bit) 60SPS. Data Rate (16-bit) 15SPS. Data Rate (18-bit) 3.75SPS. Interface I2C. I2C Speed 100kHz/400kHz/3.4MHz. I2C Addresses 8 (Selectable via AD0, AD1). Operating Voltage 2.7V-5.5V. Continuous Current 135µA (VDD=3V, Typical). One-Shot Current 36µA (VDD=3V, 1SPS, Typical). Operating Temperature -40°C to +125°C. Pin Spacing 2.54mm. Package SOIC-14 (Breakout). Length 20.5mm. Width 15.5mm. Height 3mm. Pin Configuration: Pin Position Pin Name Function/Description Left Column (Top to Bottom) Top VCC Positive Supply Voltage (2.7V-5.5V). GND Ground (0V). SCL I2C Serial Clock (Input). SDA I2C Serial Data (Bidirectional). AD0 I2C Address Select Bit 0. Bottom AD1 I2C Address Select Bit 1. Right Column (Top to Bottom) Top CH2- Channel 2 Negative Differential Input. CH2+ Channel 2 Positive Differential Input. CH1- Channel 1 Negative Differential Input. CH1+ Channel 1 Positive Differential Input. CH3+ Channel 3 Positive Differential Input. CH3- Channel 3 Negative Differential Input. CH4+ Channel 4 Positive Differential Input. Bottom CH4- Channel 4 Negative Differential Input. Applications: Precision Voltage Measurement Sensor Data Acquisition Load Cell Interfaces Pressure Sensors Strain Gauge Measurement RTD & Thermistor Measurement Thermocouple Applications Industrial Automation Battery Monitoring Weighing Systems Arduino Projects ESP32 Projects Raspberry Pi Projects Package Include: 1x MCP3424 18-Bit ADC – 4 Channel with Programmable Gain Amplifier Breakout Board 2x pin header straight(6pin, 8pin) Documents: MCP3422/3/4 Datasheet Arduino Library Raspberry Pi Library

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