MCP3421A1T-E/CH

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MCP3421A1T-E/CH

+Nomenclature

IC ADC 18BIT SIGMA-DELTA SOT23-6

  • FabricantTechnologie de micropuce

  • Pièce fabricant #MCP3421A1T-E/CH

  • Package SOT-23-6

  • En stock3936

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofBits 18
SamplingRate(PerSecond) 3.75
NumberofInputs 1
InputType Differential
DataInterface I²C
Configuration PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType Internal
Voltage-SupplyAnalog 2.7V ~ 5.5V
Voltage-SupplyDigital 2.7V ~ 5.5V
Features PGA
OperatingTemperature -40°C ~ 125°C
Package/Case SOT-23-6
SupplierDevicePackage SOT-23-6

Présentation

Description

The MCP3421A1T-E/CH is a precision low-noise, low-drift analog-to-digital converter (ADC) by Microchip Technology. It belongs to the MCP3421 series of single-channel ADCs and is designed for high-resolution applications requiring 18-bit conversion. The ADC features an I²C compatible interface, making it easy to integrate with microcontrollers and other digital systems.
Key features include a programmable gain amplifier (PGA) with gains of up to 8x, which allows for the amplification of low-level signals. The device operates from a single supply voltage ranging from 2.7V to 5.5V, providing flexibility for different power requirements. Its low current consumption makes it suitable for battery-powered devices.
The MCP3421A1T-E/CH offers self-calibration and on-board voltage reference, ensuring high accuracy and stability over various temperature ranges. The device is ideal for applications in sensor measurements, industrial controls, and portable instruments where precise analog-to-digital conversion is crucial. Its small package size and minimal external component requirement simplify design and reduce overall system cost.

Equivalent

The MCP3421A1T-E/CH is a precision analog-to-digital converter (ADC) from Microchip Technology. Equivalent products may include:
1. Texas Instruments ADS1115 - 16-bit ADC with similar features and I2C interface.
2. Analog Devices AD7991 - 12-bit or 16-bit ADC with I2C interface.
3. Maxim Integrated MAX11612 - 12-bit ADC with I2C interface.
These alternatives have comparable specifications and can be used in similar applications. However, always verify compatibility and performance needs for your specific use case.

Features

The MCP3421A1T-E/CH is a low-power, high-precision analog-to-digital converter (ADC) with the following key features:
1. Resolution: Offers a 18-bit delta-sigma ADC for high-accuracy measurements.
2. Sample Rate: Configurable sample rates, allowing for balance between speed and resolution.
3. Input Channels: Single-ended input for direct connection to sensors.
4. I²C Interface: Utilizes an I²C compatible interface for easy integration with microcontrollers.
5. Operating Voltage: Operates from a 2.7V to 5.5V supply range.
6. Gain Options: Programmable gain amplifier (PGA) with selectable gains up to 8x.
7. Low Power Consumption: Designed for battery-powered and low-power applications.
8. On-chip Voltage Reference: Provides an on-chip accurate voltage reference.
9. Compact Package: Available in a compact SOT-23 package, ideal for space-constrained designs.
10. Temperature Range: Operational temperature range from -40°C to +125°C, suitable for industrial applications.
These features make the MCP3421A1T-E/CH suitable for precise sensor measurements, such as temperature, pressure, or other analog signals in various applications.

Pinout

The MCP3421A1T-E/CH is a low-power, 18-bit delta-sigma analog-to-digital converter (ADC) with an I²C interface. It is housed in an SOT-23-6 package, which features 6 pins. The pin functions are as follows:
1. VDD (Pin 1): Power supply pin.
2. SCL (Pin 2): Serial clock line for I²C communication.
3. SDA (Pin 3): Serial data line for I²C communication.
4. VSS (Pin 4): Ground reference pin.
5. VIN+ (Pin 5): Positive differential input.
6. VIN- (Pin 6): Negative differential input.
The MCP3421A1T-E/CH is designed for precision measurement applications, offering features like programmable gain and conversion rate, which are suitable for various low-speed, high-resolution applications.

Manufacturer

The MCP3421A1T-E/CH is manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that specializes in the design and production of microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company serves a wide range of industries, providing innovative solutions for embedded control applications. Its products are used in various applications, including automotive, home appliances, industrial automation, consumer electronics, and communications. Microchip is known for delivering high-quality, reliable, and energy-efficient products that help designers and engineers create advanced systems with greater ease and efficiency.

Application

The MCP3421A1T-E/CH is a low-power, high-resolution analog-to-digital converter (ADC) commonly used in precision measurement applications. Key application areas include:
1. Industrial Instrumentation: Used for precise sensor data acquisition.
2. Consumer Electronics: Integrated into devices for enhanced user experience via accurate environmental readings.
3. Medical Instruments: Suitable for applications requiring precise and reliable measurement.
4. Portable Devices: Ideal for battery-powered devices due to its low power consumption.
5. Data Loggers: Utilized for accurate data recording over time.
6. Automotive: Employed in systems requiring high-resolution signal conversion.
These applications benefit from the ADC's high resolution, differential input, and low power features.

Package

The MCP3421A1T-E/CH is a surface-mount device (SMD) packaged in an 8-pin Small Outline Transistor (SOT-23) configuration. This package type is compact, making it suitable for space-constrained applications.

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