MCP3423T-E/UN

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MCP3423T-E/UN

+BOM

IC ADC 18BIT SIGMA-DELTA 10MSOP

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Specifications

Attribute Value
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Number of Bits 18
Sampling Rate(Per Second) 3.75
Number of Inputs 2
Input Type Differential
Data Interface I²C
Configuration MUX-PGA-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type Internal
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Features PGA, Selectable Address
Operating Temperature -40°C ~ 125°C
Supplier Device Package 10-MSOP

Overview

Description

The MCP3423T-E/UN is a 16-bit delta-sigma ADC from Microchip, featuring two differential input channels and low power consumption. It operates from 2.7V to 5.5V, making it suitable for battery-powered applications.
Key features include:
- Programmable gain (1x, 2x, 4x, 8x)
- Selectable sample rates (3.75, 15, 60, 240 SPS)
- Internal voltage reference and oscillator
- I²C interface for communication
Available in an 8-pin MSOP package, it’s ideal for precision sensor measurements in industrial, medical, and consumer electronics. The onboard PGA eliminates the need for external amplification, simplifying design.
Its auto-conversion mode and one-shot mode enhance flexibility, while low noise (15μV RMS at 16-bit resolution) ensures accurate readings.
Applications:
- Temperature sensing
- Strain gauges
- Portable instrumentation
A compact, high-performance ADC for cost-sensitive, space-constrained designs.

Equivalent

Equivalent products to the MCP3423T-E/UN (18-bit ADC) include:
- ADS1115 (Texas Instruments, 16-bit, I2C)
- LTC2400 (Analog Devices, 24-bit, SPI)
- MAX11645 (Maxim Integrated, 16-bit, I2C)
- MCP3421 (Microchip, 18-bit, I2C, single-channel)
These alternatives offer similar resolution and interface options (I2C/SPI) for precision ADC applications. Check datasheets for exact specs.

Pinout

The MCP3423T-E/UN is an 18-bit delta-sigma ADC with I²C interface, packaged in a 10-pin MSOP.
Key Functions:
- Differential Inputs: 2 channels (CH1, CH2).
- Resolution: 16/18-bit selectable.
- Programmable Gain (PGA): 1x, 2x, 4x, or 8x.
- Internal Voltage Reference: 2.048V.
- I²C Interface: Supports 100/400/3.4 kHz speeds.
- Low Power: 145 µA (continuous mode).
Pinout Highlights:
- VDD, VSS: Power (2.7V–5.5V) and ground.
- SCL, SDA: I²C clock/data.
- A0, A1: I²C address selection.
- CH1±, CH2±: Differential input pairs.
Compact and versatile for precision sensor measurements.

Manufacturer

The MCP3423T-E/UN is manufactured by Microchip Technology Inc., a leading American semiconductor company specializing in microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its embedded control systems, power management, and data conversion products. The MCP3423T-E/UN is a low-power, high-precision 18-bit delta-sigma ADC (Analog-to-Digital Converter), reflecting Microchip’s expertise in analog and mixed-signal ICs. The company serves industries like automotive, industrial, consumer electronics, and IoT.

Package

The MCP3423T-E/UN is an 18-bit delta-sigma ADC from Microchip. It comes in an MSOP-10 package, which is a small, surface-mount type with 10 pins. This package is compact and suitable for space-constrained applications. The "UN" suffix indicates it is supplied in tape and reel packaging for automated assembly.

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