onsemi

NE521NG

NE521NG Description

The NE521NG is a differential comparator IC designed by onsemi, featuring a robust set of specifications that make it suitable for a variety of applications. This IC operates within a temperature range of 0°C to 70°C, ensuring reliable performance in a broad range of environmental conditions. It is housed in a through-hole package, specifically a tube, which facilitates easy integration into various electronic systems.

The NE521NG is powered by a supply voltage range of ±4.75V to ±5.25V, providing flexibility in power supply requirements. It features a maximum propagation delay of 12ns, which is crucial for applications requiring high-speed signal processing. The comparator outputs are TTL-compatible, ensuring compatibility with a wide range of digital systems.

This IC includes two differential comparators, each with a maximum input offset voltage of 7.5mV at ±4.75V, ensuring precise comparisons. The maximum input bias current is 20µA at ±5.25V, and the quiescent current is limited to 35mA, contributing to its efficiency and low power consumption.

The NE521NG is classified under ECCN EAR99 and HTSUS 8542.39.0001, and it is REACH unaffected, ensuring compliance with international regulations. The product is currently marked as obsolete, but it remains a valuable component for legacy systems and specific applications.

NE521NG Features

• Operating Temperature Range: 0°C to 70°C, ensuring reliable performance across a wide range of environments.
• Propagation Delay: Maximum of 12ns, ideal for high-speed signal processing applications.
• Output Type: TTL-compatible, ensuring seamless integration with digital systems.
• Supply Voltage Range: ±4.75V to ±5.25V, offering flexibility in power supply requirements.
• Number of Elements: Two differential comparators, providing dual comparison capabilities.
• Input Offset Voltage: Maximum of 7.5mV at ±4.75V, ensuring precise comparisons.
• Input Bias Current: Maximum of 20µA at ±5.25V, contributing to low power consumption.
• Quiescent Current: Maximum of 35mA, ensuring efficient operation.
• Package Type: Through-hole tube, facilitating easy integration into various systems.
• Compliance: ECCN EAR99, HTSUS 8542.39.0001, and REACH unaffected, ensuring regulatory compliance.

NE521NG Applications

The NE521NG is well-suited for applications requiring high-speed, precise signal comparison. Its dual differential comparators make it ideal for systems needing multiple comparison points. Some specific use cases include:

• Signal Processing: High-speed signal processing systems where precise and rapid comparisons are necessary.
• Control Systems: Industrial control systems requiring reliable and efficient signal comparison.
• Legacy Systems: Integration into existing systems where the NE521NG's specifications align with the requirements.
• Digital Interfaces: Applications involving TTL-compatible digital interfaces, ensuring seamless communication.

Conclusion of NE521NG

The NE521NG is a versatile differential comparator IC designed by onsemi, offering a comprehensive set of features that make it suitable for a variety of high-speed, precision signal comparison applications. Its robust specifications, including a wide operating temperature range, low input offset voltage, and TTL-compatible outputs, ensure reliable performance and compatibility with various systems.

While the NE521NG is marked as obsolete, its unique features and advantages over similar models make it a valuable component for specific applications and legacy systems. Its compliance with international regulations and efficient power consumption further enhance its appeal. For systems requiring dual differential comparators and high-speed processing, the NE521NG remains a reliable and efficient choice.