LM119JRQMLV Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
Texas Instruments LM119JRQMLV is a high-speed dual comparator in a hermetic ceramic DIP-14 package rated for military/space applications. It operates from ±5 V to ±15 V dual supply with 80 ns response time. This MIL-spec qualified device suits precision threshold detection in aerospace and defense signal processing systems.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LM119JRQMLV Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM119JRQMLV?
- Dual independent comparators with 80 ns typical response time for fast threshold detection
- Wide ±5 V to ±15 V dual supply range for compatibility with legacy analog signal chains
- Hermetic ceramic DIP-14 package rated for MIL-STD reliability in harsh environments
- Open-collector outputs capable of sinking 50 mA for direct relay and indicator driving
- Low input bias current of 0.5 µA maximum reduces error from high-impedance signal sources
What is LM119JRQMLV used for?
The LM119JRQMLV is used in aerospace and defense systems for precision voltage window detection, overcurrent protection triggers, and zero-crossing detection in power conversion circuits. Its hermetic ceramic packaging ensures reliable operation under extreme temperature cycling and mechanical shock conditions encountered in avionics and satellite subsystems. The dual comparator configuration allows two independent threshold comparisons in a single 14-pin package, saving board space in mission-critical analog front-end designs.
What are the specifications of LM119JRQMLV?
| YTEOL | 15 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.5 µA |
| Bias Current-Max (IIB) @25C | 0.5 µA |
| Input Offset Voltage-Max | 4000 µV |
| JESD-30 Code | R-GDIP-T14 |
| JESD-609 Code | e0 |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 2 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Qualification Status | Not Qualified |
| Response Time-Nom | 80ns |
| Screening Level | MIL-STD-883 |
| Subcategory | Comparator |
| Supply Current-Max | 11mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | NO |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Total Dose | 100k Rad(Si) V |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LM119JRQMLV datasheet?
LM119JRQMLV Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM119JRQMLV?
Compatible alternatives and drop-in replacements for LM119JRQMLV:
Frequently Asked Questions
What response time does the LM119JRQMLV achieve and how does this benefit precision threshold detection circuits?
The LM119JRQMLV delivers a typical response time of 80 ns with a 5 mV overdrive, making it suitable for detecting fast analog transitions in power supply monitoring and pulse detection circuits. At 80 ns, the device can track signal transitions up to several MHz before propagation delay introduces meaningful timing error in time-critical comparator chains.
What output current can the LM119JRQMLV open-collector output sink for driving external loads?
Each comparator output is an open-collector NPN transistor rated to sink 50 mA at up to 36 V collector voltage, allowing direct drive of LEDs, relays, and optocouplers without additional buffer transistors. This 50 mA sink capability is significantly higher than CMOS comparators, reducing external component count in indicator and alarm circuits.
Why is the ceramic DIP-14 package of LM119JRQMLV preferred over plastic packages in aerospace subsystems?
Hermetic ceramic packages provide a moisture-free sealed cavity that prevents internal corrosion and outgassing, which plastic packages cannot achieve. For aerospace subsystems operating in the -55°C to +125°C range with repeated thermal cycling, ceramic DIPs maintain lead integrity and die-attach reliability over the 20-year service life required by MIL-STD-883 qualification, whereas plastic packages risk delamination and cracking under those conditions.
How does the LM119JRQMLV compare to the LM393 for a dual-supply ±15 V industrial comparator application?
The LM119JRQMLV provides an 80 ns response time versus approximately 1.3 µs for the LM393, making it more than 16 times faster for applications that require rapid threshold detection. The LM393 is suited for low-speed power-supply monitoring on a single 5 V rail, while the LM119JRQMLV targets dual ±15 V signal chains in analog instrumentation where 50 mA output sink and MIL-grade reliability are required.
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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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