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The LM339AD is a precision quad differential comparator from NXP Semiconductors, designed for high-reliability applications like aerospace and defense. It features excellent temperature coefficient and offset voltage performance, making it suitable for use as a precision reference or isolation amplifier. The comparator has an open collector output structure, allowing easy integration with other devices. It operates from a single power supply ranging from 5V to 30V and can handle frequencies up to several hundred kHz. With low input bias current and noise, the LM339AD is widely used in industrial control applications, medical systems, and security systems. Its high speed, good frequency response, and very low input offset voltage make it a reliable choice for various applications.
The LM339AD features:
It is commonly used in voltage comparators, differential voltage sensing, voltage level detection, signal conditioning, and pulse-width modulation.
The package type of LM339AD is Small Outline Packages (SOP).
The LM339AD is a precision quad differential comparator with an open collector output structure. It has a pin count of 16.
Here's a concise breakdown of the pin functions:
Each comparator in the quad has three inputs (IN+, IN-, and VREF) and one output (OUT). The device can be used as a precision reference or isolation amplifier, making it suitable for high-reliability applications like aerospace and defense.
The manufacturer of the LM339AD is NXP Semiconductors, a leading global semiconductor company that provides high-performance mixed-signal solutions for automotive, industrial, consumer, and other markets.
According to the product information, the LM339AD is commonly used in various applications such as:
It is widely utilized in automotive, industrial, and consumer electronics for its reliable performance and high accuracy in detecting voltage levels.
Based on the product information, NXP Semiconductors does not provide direct equivalents for LM339AD. However, similar comparator products from other manufacturers can be considered as alternatives. Some examples include:
These products share similar characteristics with LM339AD, such as precision differential comparison and high-speed operation.
Category | Integrated Circuits (ICs)LinearComparators | Type | General Purpose |
Number of Elements | 4 | Output Type | CMOS, DTL, ECL, MOS, Open-Collector, TTL |
Voltage - Supply, Single/Dual (±) | 2V ~ 32V, ±1V ~ 16V | Voltage - Input Offset (Max) | 2mV @ 30V |
Current - Input Bias (Max) | 0.1µA @ 5V | Current - Output (Typ) | 16mA @ 5V |
Current - Quiescent (Max) | 2.5mA | CMRR, PSRR (Typ) | - |
Propagation Delay (Max) | - | Hysteresis | - |
Operating Temperature | 0°C ~ 70°C | Mounting Type | Surface Mount |
Base Product Number | LM339 | Package/Case | SOP14 |
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Qty. | Unit Price | Ext. Price |
---|---|---|
1+ | $0.245 | $0.24 |
10+ | $0.199 | $1.99 |
30+ | $0.180 | $5.40 |
100+ | $0.148 | $14.80 |
500+ | $0.137 | $68.50 |
1000+ | $0.131 | $131.00 |
The prices above are for reference only.
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