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LM2901PT

LM2901PT Description

The LM2901PT is a high-performance, general-purpose comparator from ROHM Semiconductor, designed for a wide range of applications requiring precise voltage level detection and comparison. This 4-channel surface-mount IC features a low input offset voltage of 7mV at 5V, ensuring accurate and reliable operation. With a typical output current of 16nA at 5V and a maximum input bias current of 0.25µA at 5V, the LM2901PT offers excellent power efficiency and low noise performance. The device operates over a wide supply voltage range of 2V to 36V (single) and ±1V to 18V (dual), making it suitable for various power supply configurations.

LM2901PT Features

• Low Input Offset Voltage: 7mV at 5V for precise voltage level detection.
• Low Input Bias Current: 0.25µA at 5V for low power consumption and high impedance source compatibility.
• Wide Supply Voltage Range: 2V to 36V (single) and ±1V to 18V (dual) for flexibility in power supply configurations.
• High Output Current: 16nA at 5V for driving capacitive loads.
• Low Quiescent Current: 2mA for power efficiency in battery-powered applications.
• Surface Mount Package: 14-TSSOP for compact and reliable PCB integration.
• ROHS3 Compliance: Ensuring environmental friendliness and compliance with global regulations.

LM2901PT Applications

The LM2901PT is ideal for a variety of applications where precise voltage level detection and comparison are required. Some specific use cases include:

1. Industrial Control Systems: For monitoring and controlling voltage levels in motor drives, power supplies, and sensor interfaces.
2. Automotive Electronics: In battery management systems, fuel injection control, and engine monitoring for accurate voltage detection.
3. Medical Devices: For precise voltage level detection in patient monitoring equipment, diagnostic instruments, and therapeutic devices.
4. Consumer Electronics: In power management circuits, battery chargers, and voltage regulation for reliable operation and safety.

Conclusion of LM2901PT

The LM2901PT is a versatile and reliable comparator IC from ROHM Semiconductor, offering a combination of low input offset voltage, low power consumption, and a wide supply voltage range. Its surface-mount package and compliance with ROHS3 regulations make it suitable for a wide range of applications in industrial, automotive, medical, and consumer electronics. While the LM2901PT is now considered obsolete, its unique features and performance benefits make it a valuable choice for legacy systems and applications where high precision and reliability are paramount.