MCP3912A1T-E/SS

Product Overview

Category

The MCP3912A1T-E/SS belongs to the category of integrated circuits (ICs) specifically designed for analog-to-digital conversion.

Use

This product is commonly used in applications that require high-precision data acquisition and measurement, such as industrial automation, power monitoring, and energy management systems.

Characteristics

• High-resolution: The MCP3912A1T-E/SS offers a resolution of up to 24 bits, ensuring accurate and precise data conversion.
• Low noise: It features a low noise floor, enabling reliable measurements even in noisy environments.
• Wide input range: The device supports a wide input voltage range, allowing it to handle various signal levels.
• Flexible interface: It provides multiple communication interfaces, including SPI and I2C, for easy integration with microcontrollers and other devices.
• Low power consumption: The MCP3912A1T-E/SS is designed to minimize power consumption, making it suitable for battery-powered applications.

Package

This product is available in a small SSOP-28 package, which ensures space-efficient PCB layout and ease of assembly.

Essence

The MCP3912A1T-E/SS is an advanced analog-to-digital converter (ADC) that combines high resolution, low noise, and flexible interfacing capabilities. It is an essential component for accurate data acquisition in various industrial and energy management applications.

Packaging/Quantity

The MCP3912A1T-E/SS is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: Up to 24 bits
• Input Voltage Range: ±Vref
• Sampling Rate: Up to 125 ksps
• Communication Interfaces: SPI, I2C
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP3912A1T-E/SS features a total of 28 pins, as follows:

1. VDD - Power supply voltage
2. VREF+ - Positive reference voltage input
3. VREF- - Negative reference voltage input
4. AGND - Analog ground
5. CLKOUT - Clock output
6. MCLK - Master clock input
7. RESET - Reset pin
8. CS - Chip select input
9. SDI - Serial data input
10. SDO - Serial data output
11. SCLK - Serial clock input
12. DOUT[23:16] - Data output bits 23 to 16
13. DOUT[15:8] - Data output bits 15 to 8
14. DOUT[7:0] - Data output bits 7 to 0
15. DVDD - Digital power supply voltage
16. DGND - Digital ground
17. DRDY - Data ready output
18. GPIO1 - General-purpose input/output 1
19. GPIO2 - General-purpose input/output 2
20. GPIO3 - General-purpose input/output 3
21. GPIO4 - General-purpose input/output 4
22. GPIO5 - General-purpose input/output 5
23. GPIO6 - General-purpose input/output 6
24. GPIO7 - General-purpose input/output 7
25. GPIO8 - General-purpose input/output 8
26. GPIO9 - General-purpose input/output 9
27. GPIO10 - General-purpose input/output 10
28. GPIO11 - General-purpose input/output 11

Functional Features

• High-resolution ADC with up to 24-bit conversion accuracy
• Programmable gain amplifier (PGA) for signal conditioning
• On-chip voltage reference for accurate measurements
• Flexible digital filters for noise reduction and signal enhancement
• Built-in temperature sensor for thermal compensation
• Programmable interrupt generation for event-driven applications

Advantages and Disadvantages

Advantages

• High resolution ensures precise and accurate data conversion.
• Low noise floor enables reliable measurements in noisy environments.
• Wide input voltage range allows for versatile signal handling.
• Flexible interface options simplify integration with other devices.
• Low power consumption makes it suitable for battery-powered applications.

Disadvantages

• Limited number of general-purpose I/O pins may restrict certain application requirements.
• Higher cost compared to lower-resolution ADCs.

Working Principles

The MCP3912A1T-E/SS operates on the principle of successive approximation, where the analog input signal is sampled and converted into a digital representation. The device incorporates a programmable gain amplifier (PGA) to amplify weak signals and a digital filter to reduce noise and enhance the signal quality. The converted digital data can be accessed through the communication interfaces provided.

Detailed Application Field Plans

The MCP3912A1T-E/SS finds extensive use in various fields, including: