-
Part Symbol
-
Footprint
-
3D Model
Available Download Formats
By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy
Part Details for LM339QT by STMicroelectronics
Results Overview of LM339QT by STMicroelectronics
- Distributor Offerings: (17 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (1 option)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM339QT Information
LM339QT by STMicroelectronics is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.
Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.
Price & Stock for LM339QT
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
51AC9151
|
Newark | Qfn 16/C°/Low-Power Quad Vol Comparators, Comparator Type:Low Power, No. Of Comparators:4 Comparators, Response Time:300Ns, Supply Voltage Range:2V To 36V, ± 1V To ± 18V, Comparator Case Style:Vfqfpn, No. Of Pins:16Pins, Ic Output Rohs Compliant: Yes |Stmicroelectronics LM339QT RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Cut Tape | 5840 |
|
$0.1630 / $0.3800 | Buy Now |
|
DISTI #
26AM3781
|
Newark | Std Amplifiers |Stmicroelectronics LM339QT RoHS: Not Compliant Min Qty: 3000 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
|
$0.1310 | Buy Now |
|
DISTI #
497-12006-1-ND
|
DigiKey | IC COMPARATOR 4 GEN PUR 16QFN Min Qty: 1 Lead time: 8 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
13179 In Stock |
|
$0.1527 / $0.3900 | Buy Now |
|
DISTI #
LM339QT
|
Avnet Americas | Comparator Quad ?16V/32V 16-Pin QFN EP T/R - Tape and Reel (Alt: LM339QT) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 8 Weeks, 0 Days Container: Reel | 6000 |
|
$0.1157 / $0.1309 | Buy Now |
|
DISTI #
511-LM339QT
|
Mouser Electronics | Analog Comparators Low Power QUAD 1.1 mA 25nA 250mV RoHS: Compliant | 1414 |
|
$0.1470 / $0.3600 | Buy Now |
|
DISTI #
V36:1790_06548532
|
Arrow Electronics | Comparator Quad ±16V/32V 16-Pin QFN EP T/R RoHS: Compliant Min Qty: 6000 Package Multiple: 3000 Lead time: 8 Weeks Date Code: 2313 | Americas - 210000 |
|
$0.1139 | Buy Now |
|
DISTI #
V72:2272_06548532
|
Arrow Electronics | Comparator Quad ±16V/32V 16-Pin QFN EP T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks Date Code: 2314 Container: Cut Strips | Americas - 2201 |
|
$0.1342 / $0.2186 | Buy Now |
|
|
STMicroelectronics | Low power quad voltage comparator RoHS: Compliant Min Qty: 1 | 1414 |
|
$0.1700 / $0.3500 | Buy Now |
|
DISTI #
67372486
|
Verical | Comparator Quad ±16V/32V 16-Pin QFN EP T/R RoHS: Compliant Min Qty: 6000 Package Multiple: 3000 Date Code: 2313 | Americas - 210000 |
|
$0.1139 | Buy Now |
|
DISTI #
82022616
|
Verical | Comparator Quad ±16V/32V 16-Pin QFN EP T/R RoHS: Compliant Min Qty: 125 Package Multiple: 1 | Americas - 6000 |
|
$0.2250 / $0.2330 | Buy Now |
Part Details for LM339QT
LM339QT CAD Models
LM339QT Part Data Attributes
|
|
LM339QT
STMicroelectronics
Buy Now
Datasheet
|
Compare Parts:
LM339QT
STMicroelectronics
Low power quad voltage comparator
|
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | STMICROELECTRONICS | |
| Part Package Code | QFN | |
| Package Description | 3 X 3 MM, 0.50MM PITCH, ROHS COMPLIANT, PLASTIC, MICRO, QFN-16 | |
| Pin Count | 16 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 8 Weeks | |
| Samacsys Manufacturer | STMicroelectronics | |
| Amplifier Type | COMPARATOR | |
| Average Bias Current-Max (IIB) | 0.4 µA | |
| Bias Current-Max (IIB) @25C | 0.25 µA | |
| Input Offset Voltage-Max | 9000 µV | |
| JESD-30 Code | S-XQCC-N16 | |
| JESD-609 Code | e3 | |
| Length | 3 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 4 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Type | OPEN-COLLECTOR | |
| Package Body Material | UNSPECIFIED | |
| Package Code | HVQCCN | |
| Package Equivalence Code | LCC16,.12SQ,20 | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Packing Method | TR | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 ns | |
| Seated Height-Max | 1 mm | |
| Supply Current-Max | 2.5 mA | |
| Supply Voltage Limit-Max | 32 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | BIPOLAR | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Width | 3 mm |
Alternate Parts for LM339QT
This table gives cross-reference parts and alternative options found for LM339QT. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM339QT, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM239QT | STMicroelectronics | $0.2909 | Low power quad voltage comparator | LM339QT vs LM239QT |
LM339QT Frequently Asked Questions (FAQ)
-
The maximum power dissipation of the LM339QT is 640mW, which is calculated based on the package thermal resistance and the maximum junction temperature.
-
To ensure the stability of the comparator output, it's essential to use a bypass capacitor between the supply pins (VCC and GND) and to keep the input signals within the common-mode voltage range.
-
The hysteresis pin (HYST) allows the user to adjust the hysteresis voltage of the comparator, which helps to prevent oscillations and ensure a clean output signal.
-
While the LM339QT is primarily a comparator, it can be used as an oscillator in certain configurations. However, it's essential to ensure that the circuit is properly designed and compensated to avoid oscillations and instability.
-
The pull-up resistor value depends on the load current and the desired output voltage. A general rule of thumb is to choose a value between 1kΩ and 10kΩ, but it's essential to consult the datasheet and perform calculations based on the specific application.