LM2901D

Four-channel voltage comparator with low power consumption
7,931 有效庫存

LM2901D

有效庫存7,931

Four-channel voltage comparator with low power consumption

  • 製造商零件號 # : LM2901D

  • 包裝/封裝: SOIC-14

  • 零件狀態 : Discontinued

  • 製造商: Texas Instruments

  • 產品分類 : Comparators

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LM2901D 數據表
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詳細說明

The LM2901D product boasts four independent precision voltage comparators, each meticulously engineered to operate flawlessly from a single supply, covering a wide range of voltages. Users also have the option to utilize split power supplies with this device, further enhancing its adaptability to varying power input scenarios. One of the most distinctive features of these comparators is their unique characteristic of accommodating the input common-mode voltage range, even including the negative rail when operated from a single power supply

LM2901D

主要特徵

  • Fast response time: 2.5 µsec
  • Low noise: 1 nV/Hz
  • High accuracy: ±0.02%

應用

  • Crucial for maintaining circuit stability
  • Dependable in harsh operating conditions
  • Essential for controlling power distribution

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。

Number of channels 4 Output type Open-collector
Propagation delay time (µs) 1.3 Vs (max) (V) 30
Vs (min) (V) 2 Vos (offset voltage at 25°C) (max) (mV) 7
Iq per channel (typ) (mA) 0.2 Input bias current (±) (max) (nA) 250
Rail-to-rail Out Rating Catalog
Operating temperature range (°C) -40 to 125 Features Standard comparator
VICR (max) (V) 28.5 VICR (min) (V) 0

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 LM2901D PDF 下載

常見問題解答

What is LM2901D?

The LM2901D is a quad voltage comparator designed by Texas Instruments. It is ideal for applications requiring comparison of analog voltages, such as limit detection, level shifting, and waveform generation.

How Does LM2901D Work?

The LM2901D operates as a voltage comparator, comparing the voltages present at its input pins and providing a digital output based on the comparison result. It is designed to work with single or dual power supplies and can be used in systems with a wide range of supply voltages.

How Many Pins does LM2901D have and What are the Functions of the Pinout Configuration?

The LM2901D is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • VCC+: Positive power supply pin.
  • VCC-: Negative power supply pin.
  • IN1, IN2, IN3, IN4: Inverting and non-inverting input pins for the four comparators.
  • OUT1, OUT2, OUT3, OUT4: Output pins for the four comparators.
  • GND: Ground pin.

What are the Pros and Cons of LM2901D?

Pros:

  • Quad Comparator: Contains four independent comparator circuits in a single package, offering space and cost savings.
  • Wide Supply Voltage Range: Compatible with a wide range of supply voltages, enhancing flexibility in system design.
  • Low Input Offset Current: Provides accurate comparison with low input offset current.
  • Latch-Up Immunity: Designed with latch-up immunity for robust performance in harsh environments.

Cons:

  • Open-Collector Outputs: Outputs are open-collector, requiring additional pull-up resistors for certain applications.
  • Limited Bandwidth: May not be suitable for high-frequency applications.
  • Package Size: The 14-pin SOIC package may require more board space compared to smaller package options.

Are There Any Equivalents/Alternatives to LM2901D for Recommendation?

  • The LM339 from Texas Instruments is a similar quad voltage comparator with open-collector outputs.
  • Alternatives to the LM2901D include the MC3302 from ON Semiconductor and the MAX902 from Maxim Integrated.

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