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Texas Instruments LM119WGRLQMLV
- Part No.:
- LM119WGRLQMLV
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 10-CSOIC (0.241", 6.12mm Width)
- Datasheet:
-
LM119WGRLQMLV.pdf
- Description:
- HIGH SPEED DUAL COMPARATOR 10-CF
- Quantity:
- Payment:
- Shipping:
Inventory:4,264
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Product details
Overview
LM119WGRLQMLV from Texas Instruments is a radiation-hardened high-speed dual comparator designed for space and defense applications requiring operation across ±15V or single 5V supplies. It delivers 80 ns typical response time, 10.5 kV/V voltage gain, ±5V differential input range, and drives 25 mA loads directly. It serves in precision window detection and relay control circuits within satellite power management systems.
For engineers reviewing the LM119WGRLQMLV datasheet, LM119WGRLQMLV pinout, LM119WGRLQMLV application, or LM119WGRLQMLV equivalent, this page provides verified radiation-tolerant comparator specifications, LCCC-compatible CFP-10 package details, ELDRS-free performance data, and qualified alternatives for high-reliability analog signal conditioning in harsh environments.
Technical Context
The LM119WGRLQMLV implements two independent open-collector comparators with uncommitted outputs compatible with TTL, DTL, and RTL logic families. Its input stage features low bias current (≤0.95 µA) and high common-mode slew rate, enabling stable operation under fast-rising input transients.
It supports wide supply ranges (±15V or +5V/0V), operates from −55°C to +125°C, and maintains specified performance post-100 krad(Si) total ionizing dose exposure-verified per MIL-STD-883 Method 1019 Condition D for ELDRS-free qualification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Response Time | 80 ns typical at ±15V - enables real-time overvoltage/undervoltage detection in power sequencing circuits |
| Input Offset Voltage | ±3.8 mV max - ensures accurate threshold comparison in precision window detectors |
| Supply Voltage Range | ±15V or +5V/0V - supports interoperability with legacy military logic and modern low-voltage subsystems |
| Output Drive Capability | 25 mA sink per channel - directly interfaces with relays, LEDs, and TTL inputs without external buffers |
| Radiation Tolerance | ELDRS-free 100 krad(Si) - qualified for long-duration space missions without parametric degradation at low dose rates |
| Operating Temperature | −55°C to +125°C - meets MIL-PRF-38535 Class V requirements for extreme-environment electronics |
| Input Bias Current | 0.47–0.95 µA - minimizes loading error on high-impedance sensor interfaces and reference dividers |
Pinout & Package
LM119WGRLQMLV is packaged in a hermetically sealed CFP (Ceramic Flatpack) with 10 leads, designated NAC0010A per TI's package numbering. The case is electrically connected to Pin 5 (V−), requiring grounding in single-supply configurations.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN− 1 | Inverting input of Comparator 1 - referenced against IN+1 to determine output state |
| 2 | IN+ 1 | Non-inverting input of Comparator 1 - accepts threshold or signal voltage for comparison |
| 3 | GND 1 | Ground reference for Comparator 1 inputs and internal biasing - tied to system ground or V− |
| 4 | OUTPUT 1 | Open-collector output of Comparator 1 - requires external pull-up for logic-high assertion |
| 5 | V− | Negative supply terminal and case connection - must be at lowest potential in dual-supply mode |
| 6 | IN− 2 | Inverting input of Comparator 2 - used for second independent comparison function |
| 7 | IN+ 2 | Non-inverting input of Comparator 2 - supports dual-threshold or differential monitoring |
| 8 | GND 2 | Ground reference for Comparator 2 - may be isolated from GND 1 for noise rejection |
| 9 | OUTPUT 2 | Open-collector output of Comparator 2 - independently controllable for multi-channel decisions |
| 10 | V+ | Positive supply terminal - accepts +5V (single) or +15V (dual) with 18V absolute max rating |
Key Features
| Feature | Design Value |
|---|---|
| ELDRS-free radiation hardening | Qualified to 100 krad(Si) with no enhanced low-dose-rate sensitivity - eliminates need for derating in GEO orbits |
| High-speed dual architecture | Two fully independent comparators sharing only supply pins - enables synchronized fault detection across redundant rails |
| Wide supply flexibility | Operates from ±15V or +5V/0V with full parameter specification - simplifies integration into mixed-voltage avionics |
| Open-collector outputs | Uncommitted collectors support wired-OR logic, level translation, and direct drive of 25 mA loads - reduces BOM count |
| Input isolation capability | Inputs and outputs can be referenced to separate grounds - critical for floating bus monitoring in power converters |
Applications
| Power Sequencing Monitor | Satellite Bus Voltage Supervisor |
|---|---|
Use Scenario: Monitoring startup/shutdown timing of multiple DC/DC converter outputs in launch vehicle avionics. IC Role / Device Role / Timing Role: Dual comparator performs simultaneous undervoltage lockout (UVLO) and overvoltage protection (OVP) on primary and backup rails. Use Value: 80 ns response ensures sub-microsecond fault reaction, preventing latch-up during transient surges on 28V and 5V buses. | Use Scenario: Continuous supervision of 3.3V, 5V, and 12V spacecraft bus voltages under radiation exposure. IC Role / Device Role / Timing Role: Configured as window detector using resistor dividers to flag deviations beyond ±3% tolerance bands. Use Value: ELDRS-free 100 krad(Si) rating guarantees stable offset voltage (<±4 mV) throughout 15-year mission life. |
| Redundant Relay Driver | Thermal Trip Circuit |
Use Scenario: Driving dual-coil latching relays in fault-tolerant power distribution units aboard satellites. IC Role / Device Role / Timing Role: Each comparator output controls one relay coil via open-collector interface with discrete pull-up resistors. Use Value: 25 mA sink capability eliminates need for driver transistors, reducing failure points in radiation-prone zones. | Use Scenario: Detecting overheating in FPGA power stages using thermistor-based voltage dividers. IC Role / Device Role / Timing Role: Comparator 1 monitors upper trip point; Comparator 2 monitors lower hysteresis point for clean thermal shutdown signaling. Use Value: Low input bias current (≤0.95 µA) prevents thermistor self-heating errors, preserving ±0.5°C measurement accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM119WGRQMLV | Same CFP-10 package, identical ELDRS-free 100 krad(Si) rating, but qualified under QML-1996 instead of QMLV | Approved for older DoD programs requiring legacy qualification flow; same pinout and electrical behavior | Select when sourcing against legacy BOMs referencing MIL-PRF-38535 Class V Rev C |
| LM119HRLQMLV | TO-100 metal-can package (10-pin), same radiation specs, higher thermal resistance (162°C/W still air) | Better EMI shielding and mechanical robustness; suited for vibration-prone launch environments | Choose for high-shock applications where ceramic flatpack reliability concerns exist |
Compared with LM119WGRLQMLV, LM119WGRQMLV offers identical functionality under an earlier QML revision, while LM119HRLQMLV trades CFP thermal performance for superior mechanical ruggedness in TO-100 packaging-enabling selection based on qualification pedigree or environmental stress profile rather than circuit redesign.
Availability
LM119WGRLQMLV is available at Aetrix Electronics and suitable for satellite power management, missile guidance subsystems, and nuclear instrumentation requiring stable component supply across extended product lifecycles and radiation-exposed deployments.
Supply support for LM119WGRLQMLV includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of heritage in high-reliability aerospace components.
The LM119QML product line was developed specifically for radiation-tolerant analog signal conditioning in military and space systems, emphasizing parametric stability under total ionizing dose and single-event effects.
FAQ
What is the maximum supply voltage rating for LM119WGRLQMLV?
The LM119WGRLQMLV has an absolute maximum total supply voltage of 36 V, with individual limits of +18 V from ground to V+ and −25 V from ground to V−. Operation beyond these values risks permanent damage. For reliable operation, TI specifies a maximum of ±15 V or +5 V/0 V across the full temperature range, and the device must never exceed 16 V between ground and V+ as noted in the schematic diagram.
Does LM119WGRLQMLV support single-supply operation?
Yes, LM119WGRLQMLV is fully specified for single +5 V operation with ground reference. Input common-mode range extends from 1.0 V to 3.0 V under this condition, and output saturation voltage remains ≤0.6 V at 3.2 mA load. This enables direct interfacing with 5 V logic families without level-shifting circuitry, maintaining all key parameters including response time and offset voltage.
What radiation qualification level does LM119WGRLQMLV meet?
LM119WGRLQMLV is qualified as ELDRS-free to 100 krad(Si) total ionizing dose per MIL-STD-883 Method 1019 Condition D, with no enhanced low-dose-rate sensitivity. It also meets high-dose-rate (HDR) requirements per SMD 5962-9679802, ensuring stable performance in both short-duration and long-duration space radiation environments without parametric shift.
Can LM119WGRLQMLV outputs drive relays directly?
Yes, each open-collector output of LM119WGRLQMLV is rated for 25 mA sink current, allowing direct drive of small-signal relays, lamps, and TTL inputs. A pull-up resistor to V+ is required; typical values range from 1 kΩ to 10 kΩ depending on logic family and speed requirements. The 1.5 V saturation voltage at 25 mA ensures sufficient margin for reliable relay coil activation.
What is the pin-compatible alternative to LM119WGRLQMLV in TO-100 packaging?
The LM119HRLQMLV is the TO-100 (LME0010C) packaged variant with identical electrical specifications, radiation tolerance, and pinout assignment. While not pin-to-pin identical due to different physical layout (radial vs. flatpack), its terminal numbering matches LM119WGRLQMLV: Pins 1–5 and 6–10 serve the same functions (IN−1, IN+1, GND1, OUTPUT1, V−, IN−2, IN+2, GND2, OUTPUT2, V+), enabling drop-in replacement with board-level adaptation.
LM119WGRLQMLV Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 10-CSOIC (0.241", 6.12mm Width)
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- Open-Collector, DTL, RTL, TTL
- Voltage - Supply, Single/Dual (±):
- 36V
- :
- 4mV @ ±15V
- Voltage - Input Offset (Max):
- 0.5µA @ ±15V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 4.5mA, 11.5mA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -55°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 10-CFP
LM119WGRLQMLV FAQ
1.How can I place an order for LM119WGRLQMLV through Aetrix?
Please submit a Request for Quotation (RFQ) for LM119WGRLQMLV on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM119WGRLQMLV reliable?
The price and inventory of LM119WGRLQMLV are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM119WGRLQMLV is usually 5 days.
3.What payment methods are accepted for LM119WGRLQMLV?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM119WGRLQMLV transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM119WGRLQMLV?
LM119WGRLQMLV orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM119WGRLQMLV order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM119WGRLQMLV?
For technical support, including LM119WGRLQMLV datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM119WGRLQMLV requirements.
6.How does Aetrix verify that LM119WGRLQMLV is sourced from the original manufacturer or authorized distributors?
All LM119WGRLQMLV products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM119WGRLQMLV meets industry standards.
7.What is the process for return or replacement of LM119WGRLQMLV?
All LM119WGRLQMLV units undergo pre-shipment inspection (PSI). If there is an issue with LM119WGRLQMLV, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM119WGRLQMLV part is unused and in its original packaging.
Return procedure for LM119WGRLQMLV:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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