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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Analog to Digital Converters (ADC)MCP3421A0T-E/CH
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MCP3421A0T-E/CH - Microchip Technology

Manufacturer Part Number
MCP3421A0T-E/CH
Manufacturer
Microchip Technology
Allelco Part Number
32D-MCP3421A0T-E/CH
ECAD Model
Parts Description
IC ADC 18BIT SIGMA-DELTA SOT23-6
Package
SOT-23-6
Data sheet
MCP3421 Datasheet.pdf
RoHs Status
ROHS3 Compliant
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Specifications

MCP3421A0T-E/CH Tech Specifications
Microchip Technology - MCP3421A0T-E/CH technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP3421A0T-E/CH

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply, Digital 2.7V ~ 5.5V  
Voltage - Supply, Analog 2.7V ~ 5.5V  
Supplier Device Package SOT-23-6  
Series -  
Sampling Rate (Per Second) 3.75  
Reference Type Internal  
Ratio - S/H:ADC -  
Package / Case SOT-23-6  
Package Tape & Reel (TR)  
Operating Temperature -40°C ~ 125°C  
Product Attribute Attribute Value  
Number of Inputs 1  
Number of Bits 18  
Number of A/D Converters 1  
Mounting Type Surface Mount  
Input Type Differential  
Features PGA  
Data Interface I²C  
Configuration PGA-ADC  
Base Product Number MCP3421  
Architecture Sigma-Delta  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

MCP3421A0T-E/CH

Manufacturer

Microchip Technology

Introduction

The MCP3421A0T-E/CH is a high-precision 18-bit Analog to Digital Converter (ADC) featuring an integrated Programmable Gain Amplifier (PGA) and an I2C interface, packaged in a compact SOT-23-6 form.

Product Features and Performance

18-bit resolution

Sampling Rate of 3.75 samples per second

Single differential input

Sigma-Delta architecture

Internal reference voltage

Programmable Gain Amplifier included

I2C interface supported

Operates with both analog and digital 2.7V to 5.5V power supply

Product Advantages

High-resolution ADC ideal for precision sensing and data acquisition

Integrated PGA reduces external component count

Compact size ideal for space-constrained applications

Wide operating temperature range from -40°C to 125°C

Key Technical Parameters

Number of Bits: 18

Sampling Rate: 3.75 samples/second

Number of Inputs: 1

Input Type: Differential

Configuration: PGA-ADC

Voltage - Supply, Analog: 2.7V to 5.5V

Voltage - Supply, Digital: 2.7V to 5.5V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Robust operation in extreme temperatures from -40°C to 125°C

Precision components manufactured under strict quality control

Compatibility

Compatible with systems requiring I2C interface for ADC

Flexible power compatibility (2.7V to 5.5V for both analog and digital supply)

Application Areas

Industrial automation

Temperature sensing

Medical equipment monitoring

System voltage and current monitoring

Product Lifecycle

Active Product Status

Continued support and production confirmed; not nearing discontinuation

Several Key Reasons to Choose This Product

High resolution of 18-bits for precise data acquisition

Built-in PGA simplifies system design by minimizing the need for external amplification

Broad supply voltage range provides design flexibility for both battery-powered and line-powered systems

Extremely durable with guaranteed operation from -40°C to 125°C

Compact SOT-23-6 package suitable for size-sensitive applications

Straightforward integration with existing I2C communication systems

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP3421A0T-E/CH

Product Attribute MCP3421A0T-E/CH MCP3421A1T-E/CH MCP3422A0-E/MS MCP3422A0-E/MC
Part Number MCP3421A0T-E/CH MCP3421A1T-E/CH MCP3422A0-E/MS MCP3422A0-E/MC
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Base Product Number MCP3421 MCP3421 MCP3422 MCP3422
Features PGA PGA PGA PGA
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tube
Supplier Device Package SOT-23-6 SOT-23-6 8-MSOP 8-DFN (2x3)
Reference Type Internal Internal Internal Internal
Voltage - Supply, Analog 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
Sampling Rate (Per Second) 3.75 3.75 3.75 3.75
Ratio - S/H:ADC - - - -
Package / Case SOT-23-6 SOT-23-6 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-VFDFN Exposed Pad
Architecture Sigma-Delta Sigma-Delta Sigma-Delta Sigma-Delta
Series - - - -
Voltage - Supply, Digital 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
Configuration PGA-ADC PGA-ADC MUX-PGA-ADC MUX-PGA-ADC
Number of A/D Converters 1 1 1 1
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Number of Bits 18 18 18 18
Input Type Differential Differential Differential Differential
Number of Inputs 1 1 2 2
Data Interface I²C I²C I²C I²C

MCP3421A0T-E/CH Datasheet PDF

Download MCP3421A0T-E/CH pdf datasheets and Microchip Technology documentation for MCP3421A0T-E/CH - Microchip Technology.

Datasheets
MCP3421 Datasheet.pdf
PCN Packaging
Label and Packing Changes 23/Sep/2015.pdf Packing Changes 10/Oct/2016.pdf
PCN Assembly/Origin
Bond Wire 17/Jan/2023.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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MCP3421A0T-E/CH Image

MCP3421A0T-E/CH

Microchip Technology
32D-MCP3421A0T-E/CH

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