Texas Instruments
Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
LM393APSR
Lihat Detail Lembar Data

LM393APSR

Product Overview

LM393APSR is a dual voltage comparator integrated circuit belonging to the category of analog devices. It is commonly used in electronic circuits for comparing voltages and is known for its high-speed operation, low power consumption, and wide voltage range. The LM393APSR is available in a small outline package (SOIC) and comes in a quantity of 2500 units per reel.

Specifications

  • Supply Voltage Range: 2V to 36V
  • Input Offset Voltage: 2mV
  • Response Time: 1.3μs
  • Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LM393APSR has a total of 8 pins, with each pin serving a specific function. The detailed pin configuration is as follows: 1. VCC+ 2. Inverting Input (IN-) 3. Non-Inverting Input (IN+) 4. Ground (GND) 5. Output (OUT) 6. Output (OUT) 7. Non-Inverting Input (IN+) 8. VCC-

Functional Features

The LM393APSR is designed to compare two voltage levels and provide a digital output based on the comparison result. It operates with a single or dual power supply and is capable of driving loads directly. The device also features built-in hysteresis to improve noise immunity.

Advantages and Disadvantages

Advantages

  • High-speed operation
  • Low power consumption
  • Wide voltage range
  • Built-in hysteresis for noise immunity

Disadvantages

  • Limited output current capability
  • Sensitivity to electromagnetic interference

Working Principles

The LM393APSR works by comparing the voltages present at its input pins and producing a logic-level output based on the comparison. It utilizes an internal voltage reference to determine the threshold for the comparison, allowing it to operate over a wide range of input voltages.

Application Field Plans

The LM393APSR finds extensive use in various applications such as: - Battery voltage monitoring - Signal conditioning - Motor control systems - Overvoltage/undervoltage protection circuits - Proximity sensors

Alternative Models

For those seeking alternative models to the LM393APSR, the following options are available: - LM2903: A dual voltage comparator with similar specifications - LM339: A quad voltage comparator offering additional channels

In conclusion, the LM393APSR is a versatile and reliable dual voltage comparator that caters to a wide range of voltage comparison needs in electronic circuits.

[Word count: 314]

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM393APSR dalam solusi teknis

  1. What is LM393APSR?

    • LM393APSR is a dual voltage comparator with open collector outputs, commonly used in technical solutions for comparing voltages and controlling electronic systems.

  2. What are the typical applications of LM393APSR?

    • LM393APSR is commonly used in applications such as limit comparators, simple analog-to-digital converters, pulse, squarewave, and time delay generators, and more.

  3. What is the operating voltage range of LM393APSR?

    • The operating voltage range of LM393APSR is typically between 2V and 36V.

  4. What is the output sink current capability of LM393APSR?

    • The output sink current capability of LM393APSR is typically 16mA.

  5. How does LM393APSR handle temperature variations?

    • LM393APSR is designed to operate over a wide temperature range, typically from -40°C to 125°C, making it suitable for various environmental conditions.

  6. Can LM393APSR be used in automotive applications?

    • Yes, LM393APSR is often used in automotive applications due to its wide operating voltage range and robustness.

  7. What are the key features of LM393APSR?

    • Some key features of LM393APSR include low power consumption, wide single supply voltage range or dual supplies for all devices, and industry-standard pinouts.

  8. How can LM393APSR be interfaced with microcontrollers?

    • LM393APSR can be easily interfaced with microcontrollers through its open collector outputs, allowing for seamless integration into digital control systems.

  9. What are the common alternatives to LM393APSR?

    • Some common alternatives to LM393APSR include LM2903, LM339, and LM311, which offer similar functionality in different package options.

  10. Are there any application notes or reference designs available for LM393APSR?

    • Yes, many manufacturers provide application notes and reference designs for using LM393APSR in various technical solutions, offering guidance on circuit design and implementation.