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MCP3426A1-E/SN

Name: MCP3426A1-E/SN
Rating: 4.7 (12 reviews)

IC ADC 16BIT SIGMA-DELTA 8SOIC

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データシート MCP3426A1-E/SN DataSheet
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仕様

Part Status	Active
Number of Bits	16
Sampling Rate (Per Second)	15
Number of Inputs	2
Input Type	Differential
Data Interface	I2C
Configuration	MUX-PGA-ADC
Number of A/D Converters	1
Architecture	Sigma-Delta
Reference Type	Internal
Voltage - Supply, Analog	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V
Features	PGA
Operating Temperature	-40°C ~ 125°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Mounting Type	Surface Mount
Base Product Number	MCP3426

概要

Description

The MCP3426A1-E/SN is a 12-bit, low-power, single-channel analog-to-digital converter (ADC) from Microchip Technology. It features a built-in programmable gain amplifier (PGA) and provides high-resolution measurements with a simple I2C interface. The device operates over a wide voltage range and can be powered from a single supply, making it suitable for battery-operated applications.
Key features include:
- 12-bit resolution with up to 16-bit effective resolution using oversampling.
- Programmable gain settings (1x, 2x, 4x, and 8x) allowing flexibility in signal conditioning.
- Multiple data rates for various applications (up to 240 SPS).
- Low noise and drift characteristics, ensuring accurate measurements.
The MCP3426A1-E/SN is ideal for sensor applications, including temperature, pressure, and humidity monitoring, where precision and low power consumption are critical. Its compact design and integration ease make it a popular choice in portable devices and IoT applications.

Features

The MCP3426A1-E/SN is a 12-bit, low-power, high-accuracy analog-to-digital converter (ADC) from Microchip Technology. Key features include:
1. Resolution: 12-bit resolution with adjustable gain (1x, 2x, 4x, 8x).
2. Input Range: Differential input with a range of ±0.256V to ±2.048V.
3. Data Rate: Selectable data rates of 240, 60, or 15 samples per second.
4. I²C Interface: Supports I²C communication for easy integration with microcontrollers.
5. Low Power Consumption: Operates in low power modes, making it suitable for battery-powered applications.
6. Built-in Reference: Internal voltage reference simplifies design and reduces external components.
7. Programmable Comparator: Features a built-in comparator for monitoring threshold levels.
8. Temperature Range: Operates over an industrial temperature range of -40°C to +125°C.
These features make the MCP3426A1-E/SN ideal for precision measurement applications in medical, industrial, and sensor interfacing systems.

Package

The MCP3426A1-E/SN comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) type package. This package is designed for compact applications while providing sufficient thermal performance and ease of handling for surface-mount technology.

Pinout

The MCP3426A1-E/SN is a 12-bit analog-to-digital converter (ADC) with a total of 8 pins. Its pin count and functions are as follows:
1. VDD (Power Supply): Supplies power to the device.
2. VSS (Ground): Ground reference for the circuit.
3. SCL (Serial Clock): Clock input for I2C communication.
4. SDA (Serial Data): Data input/output for I2C communication.
5. ALRT (Alert): Digital output that indicates when a conversion is complete or when an alert condition occurs.
6. MISO (Master In Slave Out): Output pin to send data to the master device.
7. MOSI (Master Out Slave In): Input pin to receive data from the master device (not used in I2C mode).
8. CS (Chip Select): Used to select the device in SPI mode (not applicable in I2C mode).
The MCP3426A1-E/SN is designed for precision measurements and offers low power consumption, making it suitable for battery-powered applications.

Manufacturer

The MCP3426A1-E/SN is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in microcontrollers, analog semiconductors, memory products, and various integrated circuits. Founded in 1989, the company is known for its innovative solutions in embedded control, offering a wide range of products and development tools for various applications, including automotive, industrial, consumer, and communications markets. Microchip is recognized for its commitment to providing high-quality, reliable products that cater to engineers and designers in the electronics industry.

Application

The MCP3426A1-E/SN is a 16-bit analog-to-digital converter (ADC) used in various applications, including industrial automation, temperature sensing, medical devices, battery management systems, and environmental monitoring. Its precision and low-power operation make it suitable for handheld devices, data loggers, and remote sensing applications, where accurate measurements of voltage, current, or temperature are essential.

Equivalent

Equivalent products to the MCP3426A1-E/SN chip include the MCP3425, MCP3428, and LTC2485. These alternatives offer similar features like 16-bit resolution and I2C communication. For specific applications, consider the AD7790 and MAX11612, which also provide high-resolution analog-to-digital conversion. Always verify specifications to ensure suitability for your needs.