MCP3421A0T-E/CH is out of stock and can be placed on backorder.
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18 Bit Analog to Digital Converter 1 Input 1 Sigma-Delta SOT-23-6
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
18 Bit Analog to Digital Converter 1 Input 1 Sigma-Delta SOT-23-6
ADC Aspects - Episode 1 - Quantization
ADC Aspects - Episode 3 - Offset and Gain Errors

MCP3421A0T-E/CH

DigiKey Part Number
MCP3421A0T-E/CHTR-ND - Tape & Reel (TR)
MCP3421A0T-E/CHCT-ND - Cut Tape (CT)
MCP3421A0T-E/CHDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
MCP3421A0T-E/CH
Description
IC ADC 18BIT SIGMA-DELTA SOT23-6
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
18 Bit Analog to Digital Converter 1 Input 1 Sigma-Delta SOT-23-6
Datasheet
 Datasheet
EDA/CAD Models
MCP3421A0T-E/CH Models
Product Attributes
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Category
Architecture
Sigma-Delta
Manufacturer
Microchip Technology
Reference Type
Internal
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Supply, Analog
2.7V ~ 5.5V
Part Status
Active
Voltage - Supply, Digital
2.7V ~ 5.5V
Number of Bits
18
Features
PGA
Sampling Rate (Per Second)
3.75
Operating Temperature
-40°C ~ 125°C
Number of Inputs
1
Package / Case
SOT-23-6
Input Type
Differential
Supplier Device Package
SOT-23-6
Data Interface
I2C
Mounting Type
Surface Mount
Configuration
PGA-ADC
Base Product Number
Number of A/D Converters
1
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (15)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MCP3421A3T-E/CHMicrochip Technology0MCP3421A3T-E/CHTR-ND$3.11000Similar
MCP3421A1T-E/CHMicrochip Technology161MCP3421A1T-E/CHTR-ND$3.11000Parametric Equivalent
MCP3421A2T-E/CHMicrochip Technology0MCP3421A2T-E/CHTR-ND$3.11000Parametric Equivalent
ADS1100A0IDBVTTexas Instruments110296-12966-2-ND$5.77000Similar
ADS1100A4IDBVTTexas Instruments90296-14301-2-ND$5.77000Similar
In-Stock: 0
3,000 estimated in stock on 13-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$3.11000$3.11
25$2.59000$64.75
100$2.35000$235.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$2.35000$7,050.00
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