Microchip Technology

MCP3561-E/ST

MCP3561-E/ST Description

The MCP3561-E/ST from Microchip Technology is a high-precision 24-bit sigma-delta (Σ-Δ) analog-to-digital converter (ADC) designed for demanding measurement applications. Packaged in a 20-pin TSSOP, this surface-mount ADC integrates a single-channel architecture with configurable differential or single-ended inputs, supporting 1 or 2 input channels. Operating with dual supply voltages (analog: 2.7V–3.6V; digital: 1.8V–3.7V), it delivers exceptional performance in low-power and noise-sensitive environments. The device achieves a sampling rate of 153.6 kSPS, making it suitable for high-resolution data acquisition systems.

MCP3561-E/ST Features

• 24-bit resolution for ultra-high precision in signal conversion.
• SPI interface ensures seamless communication with microcontrollers or DSPs.
• Integrated features: Internal oscillator eliminates external clock dependencies, while the programmable gain amplifier (PGA) and temperature sensor enhance versatility.
• Low-power operation: Optimized for battery-powered or energy-efficient designs.
• Robust design: RoHS3 compliant, REACH unaffected, and MSL 3 (168 hours) rated for reliability in industrial environments.
• Flexible input options: Supports both single-ended and differential inputs, accommodating diverse sensor interfaces.

MCP3561-E/ST Applications

The MCP3561-E/ST excels in applications requiring high-resolution, low-noise signal conversion:

• Industrial instrumentation: Precision weigh scales, pressure sensors, and temperature monitoring.
• Medical devices: Patient monitoring systems and portable diagnostic equipment.
• Energy metering: Accurate current/voltage measurement in smart grid systems.
• Automotive sensors: High-accuracy signal conditioning for engine control or battery management.
• IoT edge nodes: Low-power sensor interfaces for wireless data logging.

Conclusion of MCP3561-E/ST

The MCP3561-E/ST stands out as a high-performance, feature-rich ADC for precision analog signal processing. Its 24-bit resolution, integrated PGA, and flexible power options make it ideal for applications demanding low noise, high accuracy, and low power consumption. With SPI compatibility and robust packaging, it is a reliable choice for industrial, medical, and IoT designs where signal integrity is critical. Microchip’s focus on integration and reliability ensures this ADC meets stringent requirements for modern embedded systems.