LM111HLQMLV Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM111HLQMLV is a high-precision voltage comparator designed for dual-supply operation up to ±15V. It features a maximum input offset voltage of 3000 µV and an ultra-low bias current of 0.15 µA for accurate threshold detection. Supplied in a hermetic 8-pin metal can package for mil-spec and high-reliability applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM111HLQMLV 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
Key Features
- Dual-supply comparator operating up to ±15V (±18V max) enabling wide common-mode range in precision threshold circuits
- Ultra-low bias current of 0.15 µA max minimizes loading on high-impedance sensor sources in precision analog front ends
- Hermetic 8-pin metal can (TO-99) package providing superior moisture and vibration immunity for military-grade and space-qualified designs
Applications
The LM111HLQMLV is used in precision analog threshold detection circuits for aerospace, defense, and industrial instrumentation where long-term reliability under harsh environments is mandatory. Its ultra-low input bias current makes it ideal for interfacing with high-impedance sensors such as photodiodes and thermocouple amplifiers. The hermetic metal can package ensures performance across wide temperature extremes and meets MIL-STD screening requirements.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | COMPARATOR |
| Average Bias Current-Max (IIB) | 0.15 µA |
| Bias Current-Max (IIB) @25C | 0.1 µA |
| Input Offset Voltage-Max | 3000 µV |
| JESD-30 Code | O-MBCY-W8 |
| JESD-609 Code | e0 |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Output Type | OPEN-COLLECTOR; OPEN-DRAIN |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED |
| Package Equivalence Code | CAN8,.2 |
| Package Shape | ROUND |
| Package Style | CYLINDRICAL |
| Packing Method | TRAY |
| Qualification Status | Not Qualified |
| Response Time-Nom | 200ns |
| Screening Level | MIL-PRF-38535 Class V |
| Supply Current-Max | 6mA |
| 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 | WIRE |
| Terminal Pitch | 2.54mm |
| Terminal Position | BOTTOM |
| Total Dose | 50k Rad(Si) V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | USA |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM111HLQMLV:
Frequently Asked Questions
What supply voltage range does the LM111HLQMLV support for dual-supply comparator operation?
The LM111HLQMLV operates on dual supplies from ±5V up to ±18V, with a nominal design point of ±15V. This wide range allows the device to accommodate various analog system power rails in aerospace and industrial instrumentation without additional voltage regulation stages.
How does the LM111HLQMLV's 0.15 µA bias current benefit high-impedance sensor interfaces?
With a maximum input bias current of 0.15 µA, the LM111HLQMLV introduces negligible voltage error even when driven from source impedances exceeding 1 MΩ, such as photodiode transimpedance outputs or thermocouple amplifiers. This ensures accurate comparator threshold detection in precision analog front-end circuits without buffering stages.
In what military or space-qualified applications is the LM111HLQMLV's hermetic package critical?
The MBCY-W8 hermetic metal can package protects the LM111HLQMLV from moisture ingress, outgassing, and mechanical shock encountered in satellite payloads, avionics computers, and downhole oil exploration tools. Hermetic sealing extends device lifetime in vacuum or extreme-humidity environments where standard plastic packages would degrade within months.
What is the input offset voltage specification of the LM111HLQMLV and how does it affect threshold accuracy?
The LM111HLQMLV has a maximum input offset voltage of 3000 µV, meaning threshold crossings can shift by up to 3 mV from the ideal set point. In precision window comparator designs, this offset must be budgeted into the total error margin alongside supply noise and reference tolerances to maintain accurate switching across -55°C to +125°C temperature ranges.
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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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