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MCP3421A1T-E/CH

Name: MCP3421A1T-E/CH
Rating: 4.7 (12 reviews)

IC ADC 18BIT SIGMA-DELTA SOT23-6

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Mfr。パート #MCP3421A1T-E/CH
パッケージ SOT-23-6
データシート
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仕様

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

概要

Description

The MCP3421A1T-E/CH is a high-precision, low-power, 18-bit Analog-to-Digital Converter (ADC) designed for applications requiring accurate and reliable measurements. It features a single differential input with programmable gain amplifiers (PGA) that allow users to select gains of 1, 2, 4, or 8, enhancing versatility for various signal levels. The device communicates via I2C interface, making it easy to integrate into microcontroller-based systems.
Key features include a low noise voltage reference, a built-in temperature sensor, and multiple conversion rates, which can be adjusted to balance speed and power consumption. With a supply voltage range of 2.7V to 5.5V, it is suitable for battery-operated devices. The MCP3421A1T-E/CH is commonly used in sensor applications, such as temperature, pressure, and pH measurements, where precision is critical. Its small form factor and low power consumption further enhance its suitability for portable and embedded systems.

Features

The MCP3421A1T-E/CH is a 16-bit Analog-to-Digital Converter (ADC) with the following key features:
1. Resolution: Offers 16-bit resolution, providing precise measurements.
2. Input Range: Single-ended input voltage range from 0V to VDD (typically 2.7V to 5.5V).
3. Programmable Gain Amplifier (PGA): Includes 1x, 2x, 4x, and 8x gain options for flexibility in input signal scaling.
4. Data Rate: Supports multiple sample rates (up to 240 SPS).
5. I2C Interface: Communicates via a two-wire I2C interface, allowing easy integration with microcontrollers.
6. Low Power Consumption: Features low power operation modes for battery-powered applications.
7. Internal Voltage Reference: Includes an internal reference voltage for improved accuracy.
8. Single Supply Operation: Can operate from a single supply, simplifying design.
These features make the MCP3421A1T-E/CH suitable for a variety of applications, including industrial, medical, and sensor systems requiring high precision.

Package

The MCP3421A1T-E/CH is packaged in a 6-lead SOT-23 surface mount configuration. This compact package is designed for efficient space utilization on circuit boards.

Pinout

The MCP3421A1T-E/CH is a 12-bit Analog-to-Digital Converter (ADC) with a pin count of 8. It features a single-ended input and utilizes the I2C interface for communication.
Pin Functions:
1. VDD (Pin 1): Power supply input.
2. VSS (Pin 2): Ground reference.
3. SCL (Pin 3): I2C clock line for communication.
4. SDA (Pin 4): I2C data line for communication.
5. ALERT (Pin 5): Configurable alert output.
6. MUX (Pin 6): Input multiplexer for selecting the input channel.
7. BUF (Pin 7): Buffer input for the ADC; provides gain and filter options.
8. LC (Pin 8): Used to select the conversion rate.
This device is suitable for low-power applications, featuring programmable gain and a built-in reference voltage, making it ideal for measuring low-level signals.

Manufacturer

The manufacturer of the MCP3421A1T-E/CH is Microchip Technology Inc. Microchip is an American company specializing in the design and production of microcontrollers, analog semiconductors, and memory products. Founded in 1989, Microchip provides a wide range of embedded control solutions for various applications, including automotive, industrial, consumer electronics, and telecommunications. The MCP3421A1T-E/CH is a 16-bit analog-to-digital converter (ADC) known for its high resolution and low power consumption, making it suitable for precision measurement applications. Microchip is recognized for its commitment to innovation and customer support in the semiconductor industry.

Application

The MCP3421A1T-E/CH is a 16-bit analog-to-digital converter (ADC) commonly used in applications such as industrial automation, sensor interfacing, medical devices, and portable instrumentation. It is ideal for measuring low-level signals from sensors like thermocouples, strain gauges, and pressure transducers due to its high resolution and integrated programmable gain amplifier. Additionally, it is suitable for battery-operated devices due to its low power consumption.

Equivalent

The MCP3421A1T-E/CH is a 18-bit analog-to-digital converter (ADC) from Microchip. Equivalent products include the Texas Instruments ADS1015, Analog Devices AD7793, and Maxim Integrated MAX11410. These alternatives also offer varying resolutions, I2C interfaces, and low power consumption, suitable for similar applications. Always check specific features and specifications for compatibility with your project requirements.