LM319N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
LM319N is a dual high-speed voltage comparator by Texas Instruments, featuring 80ns response time and TTL/CMOS compatible open-collector outputs. Key specs: dual comparators, 80ns propagation delay, ±15V supply voltage. From $0.21, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LM319N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2100(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual high-speed comparators with 80ns typical propagation delay
- Open-collector outputs compatible with TTL and CMOS logic levels
- Wide supply voltage range of ±15V for flexible system design
- Low input offset voltage for accurate threshold detection
- Industry-standard DIP-8 package for easy through-hole assembly
Applications
The LM319N is widely used in signal conditioning circuits for zero-crossing detection and window comparator applications. It suits industrial control systems, analog-to-digital conversion front ends, and oscillator circuits where fast response is critical. The dual comparator configuration also makes it ideal for motor drive feedback, level detection in power supply monitoring, and general-purpose waveform shaping.
Specifications
| YTEOL | 0 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.0012 µA |
| Bias Current-Max (IIB) @25C | 1 µA |
| Input Offset Voltage-Max | 10000 µV |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Neg Supply Voltage Limit-Max | -25 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 2 |
| Output Type | OPEN-COLLECTOR |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Response Time-Nom | 80ns |
| Supply Current-Max | 12.5mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| ## LM319N Alternates Showing results | Image |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM319N:
suggested
Comparator, 2 Func, 8000uV Offset-Max, 80ns Response Time, BIPolar, PDIP14
Frequently Asked Questions
What is the propagation delay of the LM319N?
The LM319N features a typical propagation delay of 80ns, making it one of the faster dual comparators available in a DIP-8 package. This fast response time suits applications requiring quick threshold detection such as zero-crossing detectors and pulse-width modulation circuits.
What supply voltage does the LM319N require?
The LM319N operates from a dual supply voltage of ±2V to ±15V, providing design flexibility for both low-voltage and high-voltage systems. It can also be powered from a single supply with appropriate biasing, making it adaptable to a wide range of circuit topologies.
Is the LM319N output compatible with TTL and CMOS logic?
Yes, the LM319N has open-collector outputs that are directly compatible with TTL and CMOS logic families. The open-collector configuration allows the output to be pulled up to voltages different from the supply, enabling interfacing with 3.3V or 5V digital logic systems.
What are common applications for the LM319N?
Common applications include zero-crossing detectors, window comparators, oscillators, level shifters, and analog-to-digital converter front ends. The dual comparator configuration is particularly useful in motor control feedback circuits, power supply monitoring, and waveform shaping in industrial and consumer electronics.
What package does the LM319N come in?
The LM319N is available in an 8-pin DIP (Dual In-line Package) through-hole package, which is ideal for prototyping and hand-soldering. Texas Instruments also offers this comparator in surface-mount variants such as SOIC and MSOP for space-constrained PCB designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.2100 | $0.21 |
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