STMicroelectronics LM339DT
5mV 250nA SOIC-14 Comparators ROHS
60,000 In stock
Delivery within 1 day
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| Attribute | Value |
|---|---|
| Mfr.Part.# | LM339DT |
| Manufacturer | ST |
| Product Category | Comparators |
| RoHS | Yes |
| ECCN | EAR99 |
| Operating Temperature | 0℃~+70℃ |
| Input Hysteresis Voltage (Vhys) | - |
| Common Mode Rejection Ratio (CMRR) | - |
| Input Offset Voltage (Vos) | 5mV |
| Input Bias Current (Ib) | 250nA |
| Supply Current | 2.5mA |
| Output Type | - |
| Output Type | Open set |
| Output Mode | CMOS;DTL;ECL;MOS;TTL |
| Supply Voltage | 2V~32V;1V~16V |
| Number of Channels | 4 |
| Propagation Delay Time | 1.3us |
| Maximum Power Supply Range (Vdd-Vss) | 36V |
| Input Offset Current(Ios) | 5nA |
| Quiescent Current | 1.1mA |
| Vos - Input Offset Voltage | 1mV |
| Common Mode Rejection Ratio(CMRR) | - |
| Ib - Input Bias Current | 25nA |
| Output Mode | TTL;DTL;ECL;MOS;CMOS |
| Response Time (tr) | 1.3us |
| Package | SOIC-14 |
| Packaging | Tape & Reel (TR) |
| Standard Package | 2500 |
| Weight | 0.331 |
Low power consumption : The LM339DT operates with a minimal supply current, enhancing overall energy efficiency.
Wide voltage range : It can function effectively between 3V and 36V, accommodating various circuit requirements.
High speed : The device boasts fast response times, suitable for applications requiring quick signal analysis.
Quad configuration : Four comparators in a single package reduce space and component count in designs.
Open-collector output : This feature allows for wired-AND connections, facilitating compatibility with different logic levels.
Voltage level detection : Used in circuits to monitor and compare voltage levels for control signals.
Battery management systems : Enables voltage monitoring, ensuring optimal battery performance and safety.
Signal conditioning : Assists in shaping and adjusting incoming signals for further processing.
Comparator circuits : Serves as a foundational component in various analog comparator applications.
Oscillator circuits : Can be employed in creating astable or monostable multivibrator configurations.
Temperature sensing : Works in conjunction with thermistors to monitor and compare temperature signals.
Input voltage range : Ensure the input signals fall within the specified limits (typically 0V to Vcc) to avoid damage.
Hysteresis : Implementing positive feedback can prevent noise from affecting comparator stability and accuracy.
Load requirements : Determine the output load to ensure the open-collector output can effectively drive the desired circuitry.
Supply voltage : Maintain appropriate supply levels to achieve optimal performance without exceeding the absolute maximum ratings.
PCB layout : Consider good layout practices to minimize noise and ensure reliable connections for all four comparators.
Q: What is the maximum supply voltage for the LM339DT?
A: The maximum supply voltage is 36V as per the specifications.
Q: Can the LM339DT interface with TTL logic?
A: Yes, the open-collector output allows it to interface with TTL logic by using a pull-up resistor.
Q: What happens if the inputs exceed the recommended maximum voltage?
A: Exceeding the maximum input voltage can lead to damage to the internal circuitry.
Q: Is it possible to achieve hysteresis with the LM339DT?
A: Yes, hysteresis can be implemented by adding positive feedback in the circuit design.
| Shipping | Delivery period | For in-stock parts, orders are estimated to ship out in 2 days. Chipmall.com ships orders once a day at about 5pm except Sunday. Delivery time/day： Southeast Asia 2-3 days USA/Canada 2-4 days Australia 2-4 days Europe 3-6 days South America 4-7 days Middle East 5-8 days Africa 5-8 days |
| Shipping rates | Shipping rates for your order can be found in the shopping cart. | |
| Shipping option | We provide UPS, DHL, FedEx, SF Express. | |
| Shipping tracking | We will notify you by email with tracking number once order is shipped. You can also find the tracking number in order history. | |
| returning/warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment， please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping. |
| Warranty | All Chipmall.com purchases come with a 30-day money-back return policy, plus a 365-day Chipmall.com warranty against any manufacturing defects. This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation | |
| Ordering | How to Buy | Chipmall.com accepts online orders. Add to cart > Check out > Submit order > Complete payment >Delivery |
| Payment | PayPal, Credit Card includes Visa, Master, American Express. (Wire Transfer, available for order over 800 USD.) |
1.Shipping
•Delivery period
For in-stock parts, orders are estimated to ship out in 2 days.
Chipmall.com ships orders once a day at about 5pm except Sunday.
Delivery time/day：
Southeast Asia 2-3 days
USA/Canada 2-4 days
Australia 2-4 days
Europe 3-6 days
South America 4-7 days
Middle East 5-8 days
Africa 5-8 days
•Shipping rates
Shipping rates for your order can be found in the shopping cart.
•Shipping option
We provide UPS, DHL, FedEx, SF Express.
•Shipping tracking
We will notify you by email with tracking number once order is shipped.
You can also find the tracking number in order history.
2.returning/warranty
•Returning
Returns are normally accepted when completed within 30 days from date of shipment， please contact customer service for a return authorization.
Parts should be unused and in original packaging.
Customer has to take charge for the shipping.
•Warranty
All Chipmall.com purchases come with a 30-day money-back return policy, plus a 365-day Chipmall.com warranty against any manufacturing defects.
This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation
3.Ordering
•How to Buy
Chipmall.com accepts online orders.
Add to cart > Check out > Submit order > Complete payment >Delivery
•Payment
PayPal, Credit Card includes Visa, Master, American Express.
(Wire Transfer, available for order over 800 USD.)
Q: How to order the LM339DT?
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Q: What is the warranty period for the LM339DT?
A: We offer a 1-year warranty for the . This warranty covers any material and workmanship defects under normal usage. If a defect is found within the warranty period, we will repair or replace the product at no charge. For more details, please refer to our
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