MCP3421A2T-E/CH
- Mfr.Part #
- MCP3421A2T-E/CH
- Manufacturer
- Microchip Technology
- Package / Case
- SOT-23-6
- Datasheet
- Download
- Description
- IC ADC 18BIT SIGMA-DELTA SOT23-6
- Stock
- 3,133
- In Stock :
- 3,133
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- Manufacturer :
- Microchip Technology
- Product Category :
- Analog to Digital Converters (ADC)
- Supplier Device Package :
- SOT-23-6
- Sampling Rate (Per Second) :
- 3.75
- Power Supplies :
- 5V
- Product Category :
- Analog to Digital Converters - ADC
- Product Type :
- ADCs - Analog to Digital Converters
- Min Supply Voltage :
- 2.7V
- Height :
- 1.3mm
- Input Signal Type :
- Single-Ended/Differential
- Resolution :
- 2.25 B
- Radiation Hardening :
- No
- Number of A/D Converters :
- 1
- Voltage - Supply, Digital :
- 2.7V~5.5V
- Supply Voltage :
- 5V
- Number of ADC Channels :
- 1
- Factory Lead Time :
- 2 Weeks
- Resolution (Bits) :
- 18bit
- Voltage Reference :
- Internal
- Reference Voltage :
- 2.048 V
- Base Product Number :
- MCP3421
- Polarity :
- Bipolar
- Number of Terminations :
- 6
- Output Bit Code :
- 2'S COMPLEMENT BINARY
- Number of Functions :
- 1
- Mounting Type :
- Surface Mount
- Mount :
- Surface Mount
- Number of Analog Inputs :
- 1
- Mounting Style :
- SMD/SMT
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Operating Temperature :
- -40°C~125°C
- Reference Type :
- Internal
- Series :
- --
- Number of Pins :
- 6
- Maximum Operating Temperature :
- + 125 C
- Length :
- 3.1mm
- Number of Bits :
- 18
- Packaging :
- Tape and Reel (TR)
- Operating Supply Voltage :
- 3.3 V
- Brand :
- Microchip Technology / Atmel
- Interface Type :
- I2C
- Output Format :
- Serial
- ECCN Code :
- EAR99
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Conversion Rate :
- 3.75 sps
- Voltage Supply Source :
- Single
- Input Type :
- Differential
- Features :
- PGA
- Analog Input Voltage-Min :
- -2.048V
- Analog Input Voltage-Max :
- 2.048V
- Number of Channels :
- 1
- Number of ADCs :
- 1
- Digital Interface Type :
- Serial (2-Wire, I2C)
- Number of Inputs :
- 1
- RoHS Status :
- ROHS3 Compliant
- Ratio - S/H:ADC :
- --
- Data Interface :
- I2C
- Architecture :
- Sigma-Delta
- Number of Converters :
- 1 Converter
- Mounting :
- Surface Mount
- Configuration :
- PGA-ADC
- Terminal Pitch :
- 0.95mm
- Width :
- 3.2mm
- Manufacturer :
- Microchip
- MSL :
- MSL 1 - Unlimited
- Feature :
- PGA
- Supplier Package :
- SOT-23
- Polarity of Input Voltage :
- Bipolar
- Base Part Number :
- MCP3421
- Converter Type :
- ADC, DELTA-SIGMA
- Product Status :
- Active
- Input Voltage :
- ±2.048 V
- Pbfree Code :
- yes
- JESD-609 Code :
- e3
- Published :
- 2007
- Terminal Form :
- Gull wing
- RoHS :
- Details
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Analog In Channels :
- 1
- Max Supply Voltage :
- 5.5V
- Qualification :
- AEC-Q100
- Terminal Finish :
- Matte Tin (Sn)
- Voltage - Supply, Analog :
- 2.7V~5.5V
- Package / Case :
- SOT-23-6
- Pin Count :
- 6
- Minimum Operating Temperature :
- - 40 C
- Sampling Rate :
- 3.75 sps
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Linearity Error-Max (EL) :
- 0.0035%
- Datasheets
- MCP3421A2T-E/CH

Analog to Digital Converters (ADC) Microchip Technology MCP3421A2T-E/CH Overview
The MCP3421A2T-E/CH by Microchip Technology is a highly precise Analog to Digital Converter (ADC) designed for applications requiring high-resolution signal acquisition. This compact, sigma-delta ADC offers a resolution of up to 18 bits, integrated within a small SOT23-6 package, making it ideal for space-constrained applications. The MCP3421A2T-E/CH is an excellent choice for developers needing accurate data conversion with minimal external components, thanks to its on-chip voltage reference and oscillator.
MCP3421A2T-E/CH Features
The MCP3421A2T-E/CH ADC is equipped with several key features that make it suitable for a wide range of applications:
- High Resolution: Offers up to 18-bit resolution, ensuring detailed and accurate analog to digital conversion.
- Low Power Consumption: Operates efficiently with low power requirements, ideal for battery-powered devices.
- On-chip Voltage Reference and Oscillator: Reduces the need for external components, simplifying design and minimizing system cost.
- Programmable Gain Amplifier: Allows users to amplify low-level input signals to the full-scale range of the ADC, enhancing measurement accuracy.
- I2C Interface: Provides easy integration with most microcontrollers, supporting standard and fast mode I2C communications.
MCP3421A2T-E/CH Applications
- Portable Instrumentation: Utilized in devices such as handheld meters and portable medical devices, where precise and low-power data acquisition is crucial.
- Temperature Monitoring Systems: Integrated in systems requiring precise temperature measurements, such as HVAC systems and refrigeration units.
- Battery-Powered Systems: Ideal for use in remote sensors and outdoor monitoring systems where power efficiency is a necessity.
- Data Acquisition Systems: Employed in high-accuracy data logging for industrial and environmental monitoring, ensuring reliable and precise measurements.
- Consumer Electronics: Applied in home automation systems and smart appliances, where accurate sensing of environmental conditions is needed.
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