ROHM Semiconductor Tariff Inquiry

BU7231G-TR

BU7231G-TR Description

The BU7231G-TR is a general-purpose linear comparator designed by Rohm Semiconductor. This IC is housed in a 5SSOP package and is ideal for a wide range of applications requiring high performance and reliability. The BU7231G-TR features a high CMRR (Common Mode Rejection Ratio) and PSRR (Power Supply Rejection Ratio) of 80dB, ensuring stable operation even in noisy environments. It operates within a wide supply voltage range of 1.8V to 5.5V for single supply and ±0.9V to ±2.75V for dual supply, making it versatile for various power configurations.

The comparator boasts a low quiescent current of up to 15µA, which is crucial for battery-powered and low-power applications. Its input bias current is extremely low at a maximum of 1pA @ 3V, minimizing the impact on sensitive input signals. The output current capability of 6mA @ 3V ensures robust drive capabilities for downstream circuits. The BU7231G-TR also features a low input offset voltage of up to 11mV @ 3V, which is essential for precision applications.

BU7231G-TR Features

• High Performance: The BU7231G-TR offers a CMRR and PSRR of 80dB, ensuring high accuracy and stability in varying power supply conditions.
• Low Power Consumption: With a quiescent current of only 15µA, this comparator is suitable for applications where power efficiency is critical.
• Wide Operating Voltage Range: The comparator operates within a wide voltage range of 1.8V to 5.5V for single supply and ±0.9V to ±2.75V for dual supply, providing flexibility in design.
• Low Input Offset Voltage: The maximum input offset voltage of 11mV @ 3V ensures high precision in signal comparison.
• High Output Current: The ability to provide up to 6mA @ 3V makes it suitable for driving various loads.
• Low Input Bias Current: The maximum input bias current of 1pA @ 3V minimizes the loading effect on input sources.
• Fast Propagation Delay: With a maximum propagation delay of 1.7µs, the BU7231G-TR can handle high-speed signal processing.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) ensures the device is suitable for a wide range of manufacturing environments.
• Compliance: The BU7231G-TR is REACH unaffected and ROHS3 compliant, meeting environmental and safety standards.

BU7231G-TR Applications

The BU7231G-TR is well-suited for a variety of applications due to its high performance and versatility. Some specific use cases include:

• Battery Management Systems: The low quiescent current and wide operating voltage range make it ideal for monitoring battery levels and managing charging cycles.
• Signal Processing: The low input offset voltage and high CMRR ensure accurate signal comparison in analog signal processing applications.
• Power Management: The high output current capability allows it to drive various power management circuits efficiently.
• Consumer Electronics: The compact 5SSOP package and surface mount type make it suitable for space-constrained consumer electronics designs.
• Industrial Control Systems: The high CMRR and PSRR ensure reliable operation in noisy industrial environments.

Conclusion of BU7231G-TR

The BU7231G-TR from Rohm Semiconductor is a high-performance general-purpose linear comparator that stands out due to its low power consumption, wide operating voltage range, and high precision. Its low input offset voltage and low input bias current make it suitable for precision applications, while its high output current capability ensures robust performance. The BU7231G-TR is an excellent choice for designers looking for a reliable and efficient comparator for battery management, signal processing, and power management applications. Its compliance with REACH and ROHS3 standards further enhances its suitability for modern electronics manufacturing.