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MCP3421 Datasheet PDF

Part Series:MCP3421 Series
Category:Analog to Digital
Description:MICROCHIP MCP3421A1T-E/CH Analog to Digital Converter, 18Bit, 3.75 SPS, Single, 2.7V, 5.5V, SOT-23
Document:MCP3421DM-WS Datasheet PDF (438 Pages)

MCP3421A1T-E/CH - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
6 Pin
Supply Voltage (DC)
2.70V (min)
Operating Voltage
2.7V ~ 5.5V
Case/Package
SOT-23-6
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MCP3421A1T-E/CH - Microchip Function Overview

The MCP3421A1T-E/CH is a 1-channel low-noise high accuracy delta-sigma Analogue-to-Digital Converter with differential inputs and up to 18-bit of resolution. The on-board precision 2.048V reference voltage enables an input range of ±2.048V differentially. The device uses a two-wire I²C™ compatible serial interface and operates from a single power supply ranging from 2.7 to 5.5V. The MCP3421 device performs conversions at rates of 3.75, 15, 60 or 240 samples per second depending on user controllable configuration bit settings using the two-wire I²C™ compatible serial interface. This device has an onboard programmable gain amplifier (PGA). User can select the PGA gain of x1, x2, x4 or x8 before the analogue-to-digital conversion takes place. This allows the MCP3421 device to convert a smaller input signal with high resolution. The device has two conversion continuous and one-shot modes.
Differential input operation
Onboard voltage reference with 5ppm/°C drift
Onboard PGA
INL 10ppm of FSR maximum
145µA at 3V Low current consumption
One-shot or continuous conversion options
Self calibration of internal offset and gain per each conversion
ESD sensitive device, take proper precaution while handling the device.
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