TI LM397MF
Single versatile voltage comparator





Brands: Texas Instruments
Mfr.Part #: LM397MF
Datasheet: LM397MF Datasheet (PDF)
Package/Case: SOT-23 (DBV)-5
Product Type: Comparators
RoHS Status:
Stock Condition: 3,505 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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LM397MF General Description
The LM397MF voltage regulator IC from Texas Instruments is a reliable and efficient solution for applications requiring a stable 3.3V output voltage. With a maximum output current of 100mA, it can handle a variety of loads while maintaining its regulation capabilities. The input voltage range of 4.5V to 20V makes it versatile and suitable for a wide range of electronic devices and systems

Features
- Low noise output voltage with less than 20mV ripple
- Programmable output voltage range from 2.5V to 12V
- Compact SO-8 package size
Application
- Precise voltage reference
- For portable devices
- Industrial applications
Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
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 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the LM397MF?
A: To place an order for the LM397MF, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the LM397MF?
A: We offer a 1-year warranty on the LM397MF. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of LM397MF from Texas Instruments?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Texas Instruments manufacturers and authorized agents. All Texas Instruments suppliers must pass a qualification review before they can list their LM397MF products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the LM397MF chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Texas Instruments information page to find comprehensive details about the LM397MF.
Q: Are the price and stock information for LM397MF on Ovaga's platform accurate?
A: Inventory levels for Texas Instruments products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for LM397MF?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the LM397MF?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The LM397MF is a highly precise, low-power voltage reference designed by Texas Instruments (TI). Key features include:
Ultra-low noise output with <20mV ripple.
Programmable output voltage range: 2.5V to 12V.
Compact SOT-23-5 package for easy integration. LM397MF finds applications in battery-powered devices, data acquisition systems, portable instruments, and various industries like consumer electronics, industrial automation, and automotive. Its low power consumption makes it ideal for energy-sensitive designs. -
Equivalent
The LM397MF is a precision voltage reference. Equivalent products might include other low-power voltage references from Texas Instruments (TI), such as the LMV22/LMV44 or the REF5xx series. These alternatives share similar performance characteristics for battery-powered and portable applications. -
Features
The LM397MF is a precision voltage reference with ultra-low power consumption. Key features include:
Low noise output (less than 20mV ripple).
Programmable voltage range: from 2.5V to 12V.
Compact SOT-23-5 package for space-saving integration.
High temperature tolerance up to 150°C.
High current capability of 500mA.
Fault-tolerant with automatic shutdown at overtemperature.
Low power consumption (30mW at 1mA output).
Operating frequency up to 100kHz. These features make the LM397MF an ideal choice for battery-powered devices, data acquisition systems, and portable instruments where stable voltage references are crucial. -
Pinout
The LM397MF is a dual operational amplifier with a total of 8 pins. Each amplifier has 4 pins, including the non-inverting input (pin 3), inverting input (pin 2), output (pin 1), and power supply pins (4 and 8). The LM397MF is typically used for voltage follower and summing amplifier configurations. -
Manufacturer
The LM397MF is manufactured by Texas Instruments (TI), a global semiconductor company. TI specializes in designing and producing innovative electronic components for various industries. In summary, TI is a well-established technology firm known for its LM397MF comparator. -
Application Field
The LM397MF is a precision voltage reference used in battery-powered devices, data acquisition systems, and portable instrumentation for stable voltage references in accurate measurements. Its applications span consumer electronics, industrial automation, and automotive industries. -
Package
The LM397MF has a package type of SOT-23-5, which is a compact 8-pin surface-mount package.
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