MCP3919A1T-E/MQ

Product Overview

Category

The MCP3919A1T-E/MQ belongs to the category of integrated circuits (ICs) specifically designed for analog-to-digital conversion.

Use

This product is primarily 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 MCP3919A1T-E/MQ offers a resolution of up to 24 bits, ensuring accurate and reliable data conversion.
• Low noise: It features a low noise floor, enabling precise measurements even in noisy environments.
• High-speed sampling: With a maximum sampling rate of 125 kilosamples per second (ksps), it can capture fast-changing signals effectively.
• Flexible input configuration: The device supports various input types, including differential, single-ended, and pseudo-differential, providing versatility in different application scenarios.

Package

The MCP3919A1T-E/MQ is available in a small form factor MQFP package, which ensures ease of integration into electronic systems.

Essence

The essence of the MCP3919A1T-E/MQ lies in its ability to convert analog signals into digital data with high accuracy and precision, facilitating advanced measurement and control functionalities in diverse applications.

Packaging/Quantity

This product is typically supplied in reels, with each reel containing a specified quantity of MCP3919A1T-E/MQ ICs. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 125 ksps
• Input Channels: Multiple configurable channels
• Power Supply: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The MCP3919A1T-E/MQ features a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground reference
3. CLKOUT - Clock output
4. MISO - Master In Slave Out (SPI interface)
5. MOSI - Master Out Slave In (SPI interface)
6. SCK - Serial Clock (SPI interface)
7. CS - Chip Select (SPI interface)
8. RESET - Reset pin
9. INT - Interrupt pin
10. REF+ - Positive reference voltage input
11. REF- - Negative reference voltage input
12. AIN0+ - Analog input channel 0 positive terminal
13. AIN0- - Analog input channel 0 negative terminal
14. AIN1+ - Analog input channel 1 positive terminal
15. AIN1- - Analog input channel 1 negative terminal
16. AIN2+ - Analog input channel 2 positive terminal
17. AIN2- - Analog input channel 2 negative terminal
18. AIN3+ - Analog input channel 3 positive terminal
19. AIN3- - Analog input channel 3 negative terminal
20. AGND - Analog ground reference
21. DVDD - Digital power supply voltage
22. DGND - Digital ground reference
23. DOUT - Digital output data
24. DRDY - Data Ready indicator
25. AVDD - Analog power supply voltage
26. AVSS - Analog ground reference
27. AOUT0 - Analog output channel 0
28. AOUT1 - Analog output channel 1
29. AOUT2 - Analog output channel 2
30. AOUT3 - Analog output channel 3
31. NC - No connection
32. NC - No connection

Functional Features

The MCP3919A1T-E/MQ offers several functional features that enhance its performance and usability:

• Programmable Gain Amplifier (PGA): The device includes a PGA with selectable gain settings, allowing users to adjust the amplification level based on their specific requirements.
• Digital Filters: It incorporates digital filters to reduce noise and improve signal quality, ensuring accurate data conversion.
• On-Chip Temperature Sensor: The MCP3919A1T-E/MQ integrates a temperature sensor, enabling temperature monitoring for enhanced system reliability.
• Flexible Serial Interface: The SPI interface provides easy communication with microcontrollers or other digital devices, facilitating seamless integration into larger systems.

Advantages and Disadvantages

Advantages

• High-resolution and low noise enable precise measurements in various applications.
• Versatile input configuration supports different types of analog signals.
• Compact package ensures ease of integration into electronic systems.
• Programmable Gain Amplifier allows customization of amplification levels.
• On-chip temperature sensor enhances system reliability.

Disadvantages

• Limited number of analog input channels compared to some alternative models.
• Requires