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MCP3422A0-E/SN The Microchip Technology MCP3422A0-E/SN is an 18-bit Sigma-Delta Analog-to-Digital Converter (ADC) with differential inputs and an I2C interface. It offers programmable gain and an internal voltage reference.
Mfr Part #:

MCP3422A0-E/SN

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP3422A0-E/SN is an 18-bit Sigma-Delta Analog-to-Digital Converter (ADC) with differential inputs and an I2C interface. It offers programmable gain and an internal voltage reference.
✓ Total Stock: 29,973 pcs
$ Price Range: $8.35

MCP3422A0-E/SN Available from 2 distributors

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✓ Non-Authorised
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Smaxon Electronics ✓
Non-Authorised Inventory information
28,350 pcs
On Request
28350 pcs On Request 1 On Request On Request 2020+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,623 pcs
On Request
1623 pcs On Request 1 On Request On Request On Request On Request On Request
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MCP3422A0-E/SN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Architecture
Configuration
Data Interface
Features
Input Type
Lead Spacing
Lead Style
Mounting Type
Number of A
Number of Bits
Number of Inputs
Operating Temperature
Reference Type
Sampling Rate (Per Second)
Supplier Device Package
Tape & Reel
Voltage
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MCP3422A0-E/SN Description

Short technical summary and product information.

The Microchip Technology MCP3422A0-E/SN is a low-noise, high-accuracy 18-bit delta-sigma analog-to-digital converter. It features differential inputs, allowing for a full-scale range from -VREF to +VREF, with an on-board 2.048V reference.

 

This ADC supports programmable data rates of 3.75, 15, 60, or 240 samples per second and includes an on-board Programmable Gain Amplifier (PGA) with gains of 1, 2, 4, or 8. It operates from a single 2.7V to 5.5V supply and utilizes a two-wire I2C interface for communication.

 

The device is designed for applications requiring precise measurements, such as portable instrumentation, temperature sensing, and weigh scales. It offers both one-shot and continuous conversion modes, with low current consumption.

 

The MCP3422A0-E/SN is supplied in an 8-SOIC package and is suitable for surface mounting. It operates within an extended temperature range of -40°C to +125°C.

MCP3422A0-E/SN Quick Information

Product Type: Analog to Digital Converter (ADC)
Series: MCP3422/3/4
Canonical Name: MCP3422A0-E/SN 18-Bit Sigma-Delta ADC
Subcategory: Sigma-Delta ADC

MCP3422A0-E/SN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MCP3422A0-E/SN Estimated Pricing

Qty Low High
1+ $8.35 $8.35

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCP3422A0-E/SN Features

  • 18-bit resolution Sigma-Delta ADC.
  • Differential inputs with internal voltage reference.
  • Programmable gain amplifier up to 8x.
  • Selectable data rates up to 240 SPS.
  • I2C serial interface for communication.

MCP3422A0-E/SN Applications

  • Suitable for portable instrumentation.
  • Used for temperature sensing applications.
  • Ideal for weigh scale designs.
  • Applicable in factory automation.
  • Supports bridge sensing applications.

MCP3422A0-E/SN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the resolution of the MCP3422A0-E/SN ADC?

The MCP3422A0-E/SN has an 18-bit resolution.

What is the operating voltage range for this ADC?

The operating voltage range is 2.7V to 5.5V.

What is the operating temperature range?

The operating temperature range is -40°C to +125°C.

What package type is the MCP3422A0-E/SN supplied in?

It is supplied in an 8-SOIC package.

What is the maximum sampling rate?

The maximum sampling rate is 240 SPS.

Does this ADC have an internal voltage reference?

Yes, it has an on-board 2.048V voltage reference.

What interface does the MCP3422A0-E/SN use?

It uses an I2C interface.

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