LM339DR2G

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LM339DR2G

IC COMPARATOR 4 GEN PUR 14SOIC

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Thông số kỹ thuật

Part Status Active
Base Product Number LM339
Type Standard (General Purpose)
Number of Elements 4
Output Type CMOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±) 3V ~ 36V, ±1.5V ~ 18V
Voltage - Input Offset (Max) 5mV @ 5V
Current - Input Bias (Max) 0.25µA @ 5V
Current - Output (Typ) 16mA @ 5V
Current - Quiescent (Max) 2.5mA
Operating Temperature 0°C ~ 70°C
Package 14-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 14-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

The LM339DR2G is a quad comparator integrated circuit designed for various analog signal processing applications. It features four independent, high-speed comparators that provide an open-collector output, allowing for easy interfacing with other digital logic levels. The device operates over a wide voltage range, typically from 2 V to 36 V, making it versatile for battery-operated and industrial applications.
The LM339 is characterized by low input offset voltage, high gain, and fast response time, which makes it suitable for precision comparison tasks in systems such as voltage level detection, temperature sensing, and threshold detection. It can be used in applications requiring logic-level output and can drive a wide range of loads when used with pull-up resistors.
The "DR2G" suffix indicates the package type (SOIC-14) and that it is supplied in a tape and reel format, making it suitable for automated assembly. Overall, the LM339DR2G is a reliable choice for designers needing multiple comparators in a compact form factor.

Features

The LM339DR2G is a quad comparator integrated circuit designed for a variety of applications. Key features include:
1. Quad Configuration: Contains four independent comparators, allowing for multiple signal comparisons in a single package.
2. Low Supply Current: Operates with a low supply current, enhancing efficiency in battery-powered devices.
3. Wide Supply Voltage Range: Accepts a supply voltage from 2V to 36V, enabling versatility in power applications.
4. Open-Collector Output: Supports wired-AND logic configurations and is compatible with TTL and CMOS outputs.
5. Fast Response Time: Offers a typical propagation delay of 1.3 μs, suitable for high-speed applications.
6. Temperature Range: Operates over a temperature range of -40°C to +125°C, ensuring reliability in various environmental conditions.
7. Low Input Offset Voltage: With a maximum of 5 mV, it provides high precision in analog signal comparisons.
8. Small Package: Available in an 8-pin SOIC package, making it suitable for space-constrained designs.
These features make the LM339DR2G ideal for applications including voltage level detection, analog signal processing, and window comparators.

Package

The LM339DR2G is packaged in a SOIC-14 (Small Outline Integrated Circuit) format, which is a surface-mount package with 14 pins. This type is designed for efficient use of space and ease of soldering on printed circuit boards.

Pinout

The LM339DR2G is a quad comparator IC with a total of 14 pins. Its primary function is to compare two input voltages and output a digital signal indicating which input is higher. Specifically, it contains four independent comparators, each with inverting and non-inverting inputs, along with an open-collector output.
Pin configuration:
1. Output 1
2. Inverting input 1 (V-)
3. Non-inverting input 1 (V+)
4. Ground (GND)
5. Output 2
6. Inverting input 2 (V-)
7. Non-inverting input 2 (V+)
8. VCC (Supply Voltage)
9. Output 3
10. Inverting input 3 (V-)
11. Non-inverting input 3 (V+)
12. NC (No Connect)
13. Output 4
14. Inverting input 4 (V-)
15. Non-inverting input 4 (V+)
The LM339 operates from a single or dual supply voltage ranging from 2V to 36V, making it suitable for a variety of applications in analog signal processing.

Manufacturer

The LM339DR2G is manufactured by Texas Instruments (TI), a well-established American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, particularly for applications in analog electronics and embedded systems. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovation in areas such as digital signal processing, microcontrollers, and power management solutions. The LM339DR2G is a quad differential comparator, widely used in various electronic circuits for signal conditioning, voltage comparison, and other applications.

Application

The LM339DR2G is a quad comparator used in various applications, including voltage level detection, signal conditioning, and window comparators. It is commonly utilized in automotive systems, industrial automation, and consumer electronics for tasks like over-voltage protection, sensor interfacing, and analog signal processing. Its low-power consumption and high-speed performance make it suitable for battery-powered devices and fast response applications.

Equivalent

The LM339DR2G is a quad comparator. Equivalent products include:
1. LM393 - Dual comparator (requires two for quad functionality).
2. TLV3701 - Low-power comparator.
3. MCP602 - Dual op-amp with comparator functionality.
4. LMV comparators (e.g., LMV7219) - Low voltage.
Always check specific datasheets for pin configurations and electrical characteristics to ensure compatibility.

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