Microchip MCP3421A1T-E/CH – 18-Bit Delta-Sigma ADC, 3.75SPS, 1CH Diff, I2C, PGA, SOT-23-6 – 2.7V~5.5V, Industrial Temp

Product Attributes (English)

Category：Integrated Circuits (ICs) > Data Acquisition > Analog-to-Digital Converters (ADCs)

Manufacturer：Microchip Technology

Model：MCP3421A1T-E/CH

Packaging：Tape & Reel (TR), Cut Tape (CT), Digi-Reel®

Part Status：Active

Resolution (Bits)：18-bit

Sampling Rate：3.75 SPS (Samples Per Second)

Number of Inputs：1 Channel

Input Type：Differential

Data Interface：I2C (Inter-Integrated Circuit)

Configuration：PGA-ADC (Programmable Gain Amplifier with ADC)

Architecture：Delta-Sigma

Reference Type：Internal (2.048V, ±0.25% accuracy)

Supply Voltage：2.7V ~ 5.5V (Analog/Digital)

Features： Programmable Gain Amplifier (PGA: 1x/2x/4x/8x) Low Power Consumption (155 μA active, <1 μA standby) Internal Sample-and-Hold Two Conversion Modes (Continuous/One-Shot)

Operating Temperature：-40°C ~ 125°C (Industrial Grade)

Package/Case：SOT-23-6 (2.9 mm x 2.8 mm)

Mounting Type：Surface Mount

RoHS Compliance：Yes

Key Applications： Precision Sensing (Strain Gauges, Thermocouples) Medical Instruments (ECG, Blood Pressure Monitors) Industrial Automation (Process Control, Weigh Scales) Battery-Powered IoT Sensors