LM2901D
Four-channel voltage comparator with low power consumptionLM2901D
Four-channel voltage comparator with low power consumption
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Manufacturer Part # : LM2901D
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Package/Case: SOIC-14
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Part Status : Discontinued
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Brand: Texas Instruments
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Product Categories : Comparators
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LM2901D DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
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
Key Features
- Fast response time: 2.5 µsec
- Low noise: 1 nV/Hz
- High accuracy: ±0.02%
Application
- Crucial for maintaining circuit stability
- Dependable in harsh operating conditions
- Essential for controlling power distribution
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
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 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
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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