LM1851N

有效庫存4,006

The LM1851N is a reliable and user-friendly solution for monitoring and regulating current and power in a wide range of applications

  • 製造商零件號 # : LM1851N

  • 包裝/封裝: PDIP

  • 製造商: Texas Instruments

  • 產品分類 : Power Management - Specialized

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LM1851N 數據表

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詳細說明

Elevate your voltage monitoring capabilities with the LM1851N, a state-of-the-art precision voltage comparator expertly engineered by Texas Instruments for accurate detection of overvoltage and undervoltage conditions. Featuring a broad single power supply voltage range spanning from 2V to 36V, this device offers unparalleled flexibility across a variety of applications. Its ultra-low input offset voltage and hysteresis ensure precise voltage monitoring, making it a standout solution for demanding tasks. The LM1851N comes equipped with a built-in 2.5V reference voltage, eliminating the need for an external reference and simplifying setup procedures. With a swift response time of typically 1.5 microseconds, this comparator swiftly identifies voltage fluctuations, making it ideal for time-critical applications. Enclosed in a standard 8-pin DIP or SOIC package, the LM1851N ensures seamless integration into a myriad of circuit designs. Known for its rugged construction and reliable performance, this device is a popular choice across industrial and automotive sectors, including battery management systems, power supply monitoring, and motor control circuits

主要特徵

  • The LM1851N is a precision voltage comparator designed for precision voltage comparisons
  • LM1851N's operating temperature range extends from -40°C to 150°C making it suitable for various applications
  • This device features an open collector output that can be used as an open drain or push-pull configuration

應用

  • Reliable voltage monitoring
  • Integral in circuit design
  • LM1851N for accurate readings

規格

以下是所選零件的基本參數,涉及零件的特性及其所屬類別。

Product Category ! Current & Power Monitors & Regulators RoHS N
Product Current Regulators Supply Voltage - Max 30 V
Supply Voltage - Min 22 V Brand Texas Instruments
Input Voltage Range 22 V to 30 V Product Type ! Current & Power Monitors & Regulators
Series LM1851 Factory Pack Quantity 40
Subcategory PMIC - Power Management ICs

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。

初步規格 LM1851N PDF 下載

常見問題解答

What is LM1851N?

The LM1851N is a precision voltage reference chip designed by Texas Instruments. It provides a stable and accurate voltage reference for various applications such as analog-to-digital converters, digital voltmeters, and power supplies.

How Does LM1851N Work?

The LM1851N operates by producing a constant and precise output voltage, which serves as a reference for other circuitry within a system. It utilizes bandgap reference technology to generate a stable voltage output even under varying operating conditions.

How Many Pins does LM1851N have and What are the Functions of the Pinout Configuration?

The LM1851N is housed in an 8-pin PDIP (Plastic Dual In-line Package) package. The pinout configuration includes:

  • V+: Positive power supply pin.
  • V-: Ground pin.
  • TRIM: Trimming pin for output voltage adjustment.
  • OUTPUT: Precise voltage reference output pin.
  • NC: No connection pin.

What are the Pros and Cons of LM1851N?

Pros:

  • Precision: Provides a stable and accurate voltage reference for precise measurements and control.
  • Low Power Consumption: Operates with low power, suitable for battery-powered devices.
  • Output Trim: Allows for the adjustment of the output voltage to meet specific application requirements.
  • Simple Configuration: Requires minimal external components for basic operation.

Cons:

  • Temperature Drift: May exhibit slight variation in output voltage with temperature changes.
  • Fixed Output Voltage: The output voltage may not be adjustable in some applications.
  • Package Limitations: The 8-pin PDIP package may take up more board space compared to smaller package options.

Are There Any Equivalents/Alternatives to LM1851N for Recommendation?

  • The LM4040 from Texas Instruments is a similar precision voltage reference with a different package and feature set.
  • Alternatives to the LM1851N include the REF01 from Analog Devices and the MAX616 from Maxim Integrated.

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