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TC3402VQR

TC3402VQR Description

The TC3402VQR is a high-performance, 16-bit sigma-delta analog-to-digital converter (ADC) designed by Microchip Technology. This IC is part of the microPort™ series and is housed in a 16QSOP package, making it suitable for surface mount applications. The TC3402VQR features a single A/D converter with four differential inputs, providing a sampling rate of 8 samples per second. It operates within a wide supply voltage range of 1.8V to 5.5V for both analog and digital supplies, ensuring compatibility with various power sources.

The TC3402VQR communicates via the I2C data interface, offering selectable addressing capabilities, which enhances its flexibility in multi-device systems. It supports both external and internal reference types, providing designers with options to optimize accuracy and cost. The operating temperature range of 0°C to 85°C makes it suitable for a variety of industrial and commercial applications.

TC3402VQR Features

• High Resolution: 16-bit sigma-delta ADC ensures precise data acquisition.
• Differential Inputs: Four differential inputs provide high common-mode noise rejection.
• Wide Supply Voltage Range: Operates from 1.8V to 5.5V for both analog and digital supplies.
• Selectable Addressing: I2C interface with selectable addresses allows for easy integration in multi-device systems.
• Reference Options: Supports both external and internal reference types for flexibility in design.
• Sampling Rate: 8 samples per second, suitable for applications requiring moderate speed and high precision.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Packaging: Supplied in a tube package, ideal for surface mount assembly.

TC3402VQR Applications

The TC3402VQR is ideal for applications requiring high-precision data acquisition in a compact form factor. Its 16-bit resolution and differential inputs make it suitable for:

• Industrial Control Systems: Precise measurement of process variables such as temperature, pressure, and flow rates.
• Medical Equipment: Accurate data acquisition for medical sensors and diagnostic devices.
• Environmental Monitoring: High-precision measurement of environmental parameters like humidity and air quality.
• Automotive Applications: Sensor data acquisition for engine management and vehicle diagnostics.
• Consumer Electronics: High-precision measurement in devices such as smart meters and home automation systems.

Conclusion of TC3402VQR

The TC3402VQR from Microchip Technology is a versatile and high-performance ADC designed for a wide range of applications. Its 16-bit resolution, differential inputs, and wide supply voltage range make it an excellent choice for precise data acquisition. The selectable addressing and I2C interface enhance its flexibility in multi-device systems, while its compliance with REACH and ROHS3 standards ensures it meets environmental and regulatory requirements.

Despite being marked as obsolete, the TC3402VQR remains a reliable option for existing designs and legacy systems. Its robust features and performance benefits continue to make it a valuable component in various industrial and commercial applications. For new designs, designers may consider exploring alternative models from Microchip Technology that offer similar or enhanced capabilities.