LM293AN STMicroelectronics Integrated Circuit (Dual-In-Line Packages) In Stock
LM293AN is a dual voltage comparator from STMicroelectronics in a DIP-8 package, featuring open-collector outputs, input bias current below 0.3 µA, and wide supply voltage range, ideal for threshold detection and signal level-shifting circuits.
- Manufacturer
- STMicroelectronics
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM293AN Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM293AN?
- Dual independent comparator channels in a single DIP-8 package
- Open-collector output compatible with TTL and CMOS logic levels
- Wide supply voltage range: single 2 V to 36 V or dual ±1 V to ±18 V
- Input bias current maximum of 0.3 µA for low-source-impedance circuits
- Input offset voltage maximum of 4000 µV for precise threshold comparison
- Low supply current of 0.8 mA typical per comparator
- Industrial temperature range -40°C to +85°C
What is LM293AN used for?
LM293AN is commonly deployed in window comparator circuits, battery charge controllers, and zero-crossing detection stages where precise voltage threshold detection is needed without external logic translation. Its open-collector outputs directly drive LED indicators, relay coils, and optocouplers, making it a staple building block in motor drive protection, power-supply supervisory circuits, and analog-to-digital signal conditioning boards.
What are the specifications of LM293AN?
| YTEOL | 0 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.3 µA |
| Bias Current-Max (IIB) @25C | 0.1 µA |
| Input Offset Voltage-Max | 4000 µV |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Output Type | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Response Time-Nom | 1300ns |
| Supply Current-Max | 2.5mA |
| Supply Voltage Limit-Max | 36V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM293AN datasheet?
LM293AN Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for LM293AN?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does LM293AN support for single-supply and dual-supply designs?
LM293AN operates from a single supply of 2 V to 36 V or a dual supply of ±1 V to ±18 V, giving designers flexibility to integrate it directly into 5 V logic boards, 12 V automotive systems, or split-rail analog front-ends without additional level shifters.
How does LM293AN's open-collector output structure benefit relay and LED driver circuits?
The open-collector outputs can sink up to 16 mA and withstand up to 36 V when off, so they directly switch small relays, optocouplers, or LED indicator loads without a buffer stage, reducing component count and simplifying PCB layout in industrial threshold detection designs.
For a tight PCB layout with through-hole assembly, what are the key dimensions of the DIP-8 package used on LM293AN?
LM293AN is housed in a plastic DIP-8 package with 8 pins on a 2.54 mm pitch and a row spacing of 7.62 mm, fitting standard dual-in-line sockets and most through-hole PCB libraries; the package is lead-free with a JESD-609 e3 moisture rating.
Is LM293AN a suitable drop-in alternative to LM393 in comparator circuits?
LM293AN is functionally compatible with LM393 and LM2903 in most designs; all three share the same dual open-collector topology and similar input offset voltage around 4000 µV maximum. Designers switching from LM393 should verify supply voltage headroom and output sink current ratings match their specific load requirements.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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