| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM393DMR2G | onsemi | $0.1176 | Comparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8 | LM393ST vs LM393DMR2G |
| LM293ST | STMicroelectronics | $0.2163 | Comparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8 | LM393ST vs LM293ST |
| LM393ST | ROHM Semiconductor | Check for Price | Comparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8 | LM393ST vs LM393ST |
Part Details for LM393ST by STMicroelectronics
Results Overview of LM393ST by STMicroelectronics
- Distributor Offerings: (28 listings)
- Number of FFF Equivalents: (3 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- 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.
LM393ST Information
LM393ST 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 LM393ST
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
51AC9156
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Newark | Comparator, Stmicroelectronics Lm393St, |Stmicroelectronics LM393ST RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 0 Container: Bulk | 1331 |
|
$0.1390 / $0.3330 | Buy Now |
|
DISTI #
26AM3783
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Newark | Tssop8 Body3.00 Pitch0.65/Dualbipvolcomp, |Stmicroelectronics LM393ST RoHS: Not Compliant Min Qty: 4000 Package Multiple: 1 Date Code: 0 Container: Tape & Reel | 0 |
|
$0.1390 / $0.1470 | Buy Now |
|
DISTI #
497-7334-6-ND
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DigiKey | IC COMPARATOR 2CH 8-MINISO Min Qty: 1 Container: Digi-Reel |
16363 Digi-Reel® |
|
$0.1510 / $0.3400 | Buy Now |
|
DISTI #
497-7334-2-ND
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DigiKey | IC COMPARATOR 2CH 8-MINISO Min Qty: 4000 Container: Tape & Reel |
16363 Tape & Reel |
|
$0.1304 / $0.1407 | Buy Now |
|
DISTI #
497-7334-1-ND
|
DigiKey | IC COMPARATOR 2CH 8-MINISO Min Qty: 1 Container: Cut Tape |
363 Cut Tape |
|
$0.1510 / $0.3400 | Buy Now |
|
DISTI #
E02:0323_00211676
|
Arrow Electronics | Comparator Dual ±18V/36V 8-Pin Mini-SO T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 30 Weeks Date Code: 2450 | Europe - 160000 |
|
$0.0901 | Buy Now |
|
DISTI #
V36:1790_06548579
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Arrow Electronics | Comparator Dual ±18V/36V 8-Pin Mini-SO T/R COO: China RoHS: Compliant Min Qty: 8000 Package Multiple: 4000 Lead time: 30 Weeks Date Code: 2509 | Americas - 8000 |
|
$0.1304 / $0.1369 | Buy Now |
|
DISTI #
511-LM393ST
|
Mouser Electronics | Analog Comparators Lo Pwr dual Vltg comparators RoHS: Compliant | 42815 |
|
$0.2190 / $0.3400 | Buy Now |
|
DISTI #
87858234
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Verical | Comparator Dual ±18V/36V 8-Pin Mini-SO T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Date Code: 2450 | Americas - 160000 |
|
$0.0898 | Buy Now |
|
DISTI #
93448895
|
Verical | Comparator Dual ±18V/36V 8-Pin Mini-SO T/R RoHS: Compliant Min Qty: 8000 Package Multiple: 4000 Date Code: 2509 | Americas - 8000 |
|
$0.1304 / $0.1369 | Buy Now |
US Tariff Estimator: LM393ST by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LM393ST CAD Models
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LM393ST Part Data Attributes
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LM393ST
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
LM393ST
STMicroelectronics
Comparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SOIC | |
| Package Description | Rohs Compliant, Plastic, Mini, Sop-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Factory Lead Time | 10 Weeks | |
| 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-PDSO-G8 | |
| JESD-609 Code | e3 | |
| Length | 3 Mm | |
| Moisture Sensitivity Level | 1 | |
| Neg Supply Voltage Limit-Max | ||
| Neg Supply Voltage-Nom (Vsup) | ||
| Number of Functions | 2 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Type | Open-Collector | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TSSOP | |
| Package Equivalence Code | TSSOP8,.19 | |
| Package Shape | Square | |
| Package Style | Small Outline, Thin Profile, Shrink Pitch | |
| Packing Method | Tr | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1300 Ns | |
| Seated Height-Max | 1.1 Mm | |
| Supply Current-Max | 2.5 Ma | |
| Supply Voltage Limit-Max | 36 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 0.65 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 3 Mm |
Alternate Parts for LM393ST
This table gives cross-reference parts and alternative options found for LM393ST. 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 LM393ST, 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.
LM393ST Frequently Asked Questions (FAQ)
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The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.
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To ensure a stable output, add a small capacitor (e.g., 10nF) between the output and ground to filter out high-frequency noise. Additionally, ensure the input signals are clean and free from noise.
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The minimum input voltage difference required for the comparator to switch is typically around 1-2mV, but this can vary depending on the specific application and noise conditions.
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No, the LM393ST is a comparator, not an amplifier. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not suitable for amplifying signals.
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When the input voltages are very close or equal, the comparator output may oscillate or be unstable. In such cases, consider adding hysteresis to the input signals or using a Schmitt trigger configuration to improve stability.