LM339DR2G: Features, Specs & More
In the world of electronics, precision comparators play a critical role in analog signal processing. The Onsemi LM339DR2G is a quad comparator designed for general-purpose applications with a broad voltage range. It is widely used in circuits requiring voltage comparison, threshold detection, and other analog signal management tasks. In this comprehensive article, we'll delve into the intricacies of the LM339DR2G, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
Catalog
LM339DR2G's Overview
The LM339DR2G is a four-channel voltage comparator. Each channel compares two input voltages and outputs a signal based on which input is higher. It features an open-collector output, which allows designers to connect multiple outputs together or drive various loads. The device supports a broad supply voltage range and operates at temperatures between 0°C and 70°C, making it suitable for standard industrial environments.
Key Features
Let's delve into the standout features that make the LM339DR2G a standout in the world of electronics:
· The LM339DR2G contains four independent comparator channels per chip.
· It supports single supply operation from 3V to 36V and dual supply from ±18V.
· The device has a typical response time of 1.3 µs and a response range from 0.5 µs to 5 µs.
· It uses open collector output, allowing wired-AND configurations.
· The maximum input offset voltage is 5 mV at 5V, ensuring precise comparisons.
· Maximum input bias current is 0.25 µA at 5V, keeping power consumption low.
· It offers typical voltage gain of 106 dB with a range from 90 dB to 110 dB.
· The typical output current is 16 mA at 5V, suitable for driving LED indicators or small loads.
· Quiescent current is 2 mA maximum at 5V, making it efficient for battery-powered circuits.
· The operating temperature range is 0°C to 70°C, suitable for standard electronic environments.
· The chip is supplied in a surface-mount 14-pin SOIC package with a height of 1.38 mm, width of 3.9 mm, and length of 8.65 mm.
Specifications
Now, let's take a closer look at the technical specifications that define the capabilities of the LM339DR2G:
Type | Parameter |
Manufacturer Type | General Purpose Comparator |
Number of Channels per Chip | 4 |
Rail to Rail | No |
Process Technology | 0.8um to 3um |
Typical Response Time (us) | 1.3 |
Typical Response Time Range (us) | 0.5 to 5 |
Output Type | Open Collector |
Maximum Operating Supply Voltage (V) | ±18|36 |
Maximum Input Offset Voltage (mV) | 5@5V |
Minimum Single Supply Voltage (V) | 3 |
Maximum Single Supply Voltage (V) | 36 |
Maximum Dual Supply Voltage (V) | ±18 |
Typical Voltage Gain (dB) | 106.02 |
Typical Voltage Gain Range (dB) | 90 to 110 |
Maximum Input Bias Current (uA) | 0.25@5V |
Typical Output Current (mA) | 16@5V |
Maximum Quiescent Current (mA) | 2@5V |
Maximum Test Temperature (°C) | 70 |
Minimum Test Temperature (°C) | 0 |
Maximum Power Dissipation (mW) | 1000 |
Power Supply Type | Single|Dual |
Minimum Operating Temperature (°C) | 0 |
Maximum Operating Temperature (°C) | 70 |
Packaging | Tape and Reel |
Mounting | Surface Mount |
Package Height | 1.38 mm |
Package Width | 3.9 mm |
Package Length | 8.65 mm |
PCB changed | 14 |
Standard Package Name | SO |
Supplier Package | SOIC N |
Pin Count | 14 |
Lead Shape | Gull-wing |
Applications
The LM339DR2G is widely used in industrial and consumer electronics due to its reliable performance. Common applications include:
· Voltage level detection in power management circuits.
· Zero-crossing detectors for AC signal processing.
· Battery-operated devices requiring low power consumption.
· Overvoltage and undervoltage protection circuits.
· LED or relay drivers for visual or mechanical indicators.
· Oscillators and waveform generators in analog circuit designs.
LM339DR2G's Manufacturer
ON Semiconductor, stylized in lowercase as "onsemi", stands at the forefront of technological innovation, driving advancements that power intelligent and energy-efficient systems worldwide. With a commitment to delivering cutting-edge solutions, ON Semiconductor provides a comprehensive portfolio of semiconductor products, spanning power management, analog, sensor, and connectivity solutions. Leveraging a legacy of over 20 years, the company has solidified its position as a trusted partner for industries ranging from automotive and industrial to consumer electronics and healthcare.
Conclusion
The Onsemi LM339DR2G is a robust, general-purpose quad comparator that balances performance, precision, and efficiency. Its wide operating voltage range, fast response time, and versatile applications make it suitable for industrial, consumer, and embedded electronics. For designers seeking a reliable comparator solution in a compact SOIC package, the LM339DR2G stands out as a practical choice.
