LM339PWR

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LM339PWR

IC COMPARATOR QUAD GP TSSOP

  • 제조업체
  • Mfr.부분 #LM339PWR
  • 패키지 TSSOP-14
  • 데이터시트
  • 재고 있음7745

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사양

Package Tape & Reel (TR)
ProductStatus Obsolete
Type General Purpose
NumberofElements 2
OutputType Open Collector
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 7mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Quiescent(Max) 2mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

개요

Description

The LM339PWR is a quad comparator integrated circuit (IC) produced by Texas Instruments. It features four independent, high-speed voltage comparators capable of operating over a wide supply voltage range of 2V to 36V. The LM339PWR is designed for use in various applications such as voltage-level detection, signal conditioning, and analog-to-digital conversion.
Key features include:
- Open-collector outputs, allowing for wired-AND logic configurations.
- Fast response times with a propagation delay of around 1.3 µs.
- Low input bias current, making it suitable for high-impedance sensor applications.
- Wide common-mode input voltage range of -0.3V to VCC - 2V.
Its versatility and robustness make the LM339PWR a popular choice in various electronic circuits, including automotive, industrial, and consumer electronics. It is offered in a surface-mount package (PWR) for space-constrained designs.

Features

The LM339PWR is a quad comparator with the following key features:
1. Quad Configuration: Contains four independent voltage comparators, allowing for multiple comparisons in a single package.
2. Low Input Offset Voltage: Typically, 2 mV (max 7 mV), enhancing accuracy in signal processing.
3. Wide Supply Voltage Range: Operates from a single supply of 2V to 36V or dual supplies of ±1V to ±18V, providing flexibility for various applications.
4. Open-Collector Outputs: Allows for wired-AND configuration, enabling multiple outputs to be tied together without interference.
5. High Gain: Voltage gain of 1000 V/V enhances sensitivity to input voltage changes.
6. Low Power Consumption: Consumes less than 1 mA of supply current per comparator, making it suitable for battery-operated devices.
7. Temperature Range: Operates over an extended temperature range of -40°C to +125°C, suitable for harsh environments.
These features make the LM339PWR ideal for applications in signal conditioning, level detection, and various industrial control systems.

Package

The LM339PWR is packaged in a TSSOP-14 (Thin Shrink Small Outline Package) format. This type of package is designed for surface mounting and features a slim profile, making it suitable for space-constrained applications.

Pinout

The LM339PWR is a quad comparator integrated circuit with a total of 14 pins. It features four independent, high-speed comparators with open-collector outputs. The pin configuration is as follows:
1. NC - No Connection
2. Inverting Input (Comparator 1)
3. Non-Inverting Input (Comparator 1)
4. V- (Ground)
5. Inverting Input (Comparator 2)
6. Non-Inverting Input (Comparator 2)
7. Output (Comparator 2)
8. Output (Comparator 1)
9. Inverting Input (Comparator 3)
10. Non-Inverting Input (Comparator 3)
11. V+ (Supply Voltage)
12. Inverting Input (Comparator 4)
13. Non-Inverting Input (Comparator 4)
14. Output (Comparator 4)
The LM339PWR operates with a wide voltage range and can be used in various applications such as voltage level detection, analog signal comparison, and oscillators. The open-collector outputs allow for wired-AND logic configurations.

Manufacturer

The LM339PWR is manufactured by Texas Instruments, a leading technology company known for its development and production of semiconductors and various electronic components. Texas Instruments specializes in analog and embedded processing products, providing solutions for a wide range of applications, including industrial, automotive, and consumer electronics. The LM339PWR itself is a quad comparator, widely used in signal processing and control applications due to its high performance and versatility.

Application

The LM339PWR is a quad comparator used in various applications, including voltage level detection, signal conditioning, and analog-to-digital conversion. It is commonly employed in automotive systems, industrial control, and power management circuits. Its low input bias current and wide supply voltage range make it suitable for battery-operated devices and precision measurement systems. Additionally, it can be used in threshold sensing and window comparator applications.

Equivalent

The LM339PWR is a quad comparator. Equivalent products include:
1. LM293: Another quad comparator with similar specifications.
2. TLV comparators (e.g., TLV3701): Low voltage, low power options.
3. LMV393: Low voltage, single-supply quad comparator.
4. MCP6541: A low-power, quad comparator.
Always check specific datasheets for compatibility and performance characteristics.

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