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LM397MFX/NOPB
Analog Comparators SGL Gen Purp Vtg Cmptr
LM397MFX/NOPB
Analog Comparators SGL Gen Purp Vtg Cmptr
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Manufacturer Part # : LM397MFX/NOPB
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Package/Case: SOT23-5
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Brand: Texas Instruments
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Product Categories : Comparators
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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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.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
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LM397MFX/NOPB 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
Operating within a wide voltage range of 3.6V to 30V, the LM397MFX/NOPB consumes minimal quiescent current, making it highly efficient for low power setups. Its low dropout voltage of 0.3V at 1mA further enhances its performance, ensuring optimal functionality even under low supply voltages. This voltage reference is the perfect solution for applications that demand accuracy and stability, such as data acquisition systems and analog-to-digital converters (ADCs)
Key Features
- Fault-tolerant circuitry
- Hot-wire detect capability
- Thermal shutdown protection
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Number of channels | 1 | Output type | Open-collector |
| Propagation delay time (µs) | 0.44 | Vs (max) (V) | 30 |
| Vs (min) (V) | 5 | Vos (offset voltage at 25°C) (max) (mV) | 7 |
| Iq per channel (typ) (mA) | 0.25 | Input bias current (±) (max) (nA) | 250 |
| Rail-to-rail | Out | Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 | Features | Standard comparator |
| VICR (max) (V) | 28.5 | VICR (min) (V) | 0 |
FAQs
What is LM397MFX/NOPB?
The LM397MFX/NOPB is a precision, high-accuracy temperature sensor and thermal watchdog designed by Texas Instruments. It is ideal for applications requiring precise temperature measurement, temperature monitoring, and thermal protection such as industrial equipment, automotive systems, and consumer electronics.
How Does LM397MFX/NOPB Work?
The LM397MFX/NOPB operates by sensing and measuring temperature using an integrated temperature-sensing element. It provides accurate temperature data through a digital interface, allowing interfacing with microcontrollers or digital systems. The thermal watchdog feature can be used to monitor temperature status and trigger alerts or system shutdowns in the event of overheating.
How Many Pins does LM397MFX/NOPB have and What are the Functions of the Pinout Configuration?
The LM397MFX/NOPB is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Ground pin.
- OUT: Digital output for temperature data.
- A0, A1: Address input pins for device configuration.
- OS/ALERT: Overtemperature shutdown or alert output.
- GND: Ground pin.
- A2: Address input pin for device configuration.
What are the Pros and Cons of LM397MFX/NOPB?
Pros:
- Precision: Provides high-accuracy temperature measurement for critical applications.
- Digital Output: Offers digital temperature output, enabling easy interfacing with microcontrollers and digital systems.
- Thermal Watchdog Function: Monitors temperature and provides alerts or system shutdowns in case of overtemperature conditions.
- Low Power Consumption: Operates with low power, suitable for battery-powered systems.
- Compact Package: The 8-pin SOIC package is space-efficient, suitable for compact designs.
Cons:
- External Components: May require additional components for interfacing and configuration.
- Address Configuration: Address pins need to be set correctly for proper device configuration in multi-device applications.
Are There Any Equivalents/Alternatives to LM397MFX/NOPB for Recommendation?
- The LM75 from Texas Instruments is a similar digital temperature sensor with integrated thermal watchdog.
- Alternatives to the LM397MFX/NOPB include the MCP9808 from Microchip Technology and the MAX31875 from Maxim Integrated.
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