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Texas Instruments JM38510/11201BDA
- Part No.:
- JM38510/11201BDA
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-CFlatPack
- Datasheet:
-
JM38510/11201BDA.pdf
- Description:
- LOW POWER LOW OFFSET VOLTAGE QUA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
JM38510/11201BDA from Texas Instruments is a military-grade quad voltage comparator IC designed for precision analog signal comparison in harsh environments. It features ±3 mV max input offset voltage, 0.8 mA supply current independent of supply voltage, and rail-to-rail input common-mode range including ground - enabling direct sensing at 0 V in single-supply systems. Used in aerospace power monitoring, missile guidance threshold detection, and radiation-tolerant instrumentation.
For engineers reviewing the JM38510/11201BDA datasheet, JM38510/11201BDA pinout, JM38510/11201BDA application, or JM38510/11201BDA equivalent, this page delivers verified military-spec electrical parameters, CLGA-14 package terminal mapping, MIL-STD-883 Group A test compliance details, and precise substitution guidance for high-reliability analog design.
Technical Context
The JM38510/11201BDA implements four independent open-collector comparators with PNP input stages, enabling operation from single supplies (5–36 VDC) or split supplies (±2.5 V to ±18 VDC). Its input common-mode range extends to GND, and differential input voltage tolerance equals full supply voltage - critical for fault-tolerant sensor interface circuits.
Each comparator delivers 25 nA max input bias current, ±5 nA max input offset current, and 250 mV max output saturation voltage at 4 mA sink load. Channel separation exceeds 80 dB, supporting multi-channel decision logic without crosstalk in avionics signal conditioning modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 5 VDC to 36 VDC (single) or ±2.5 V to ±18 VDC (split) - supports wide-input industrial and aerospace power rails without regulation. |
| Input Offset Voltage | ±3 mV max - enables accurate threshold detection at millivolt-level signal differentials in precision control loops. |
| Supply Current | 0.8 mA typical, independent of supply voltage - ensures stable battery life in portable defense electronics. |
| Input Bias Current | 25 nA max - minimizes loading error on high-impedance transducer sources like RTDs and piezoelectric sensors. |
| Output Saturation Voltage | 250 mV max at 4 mA - guarantees TTL/CMOS-compatible low-state logic levels even under heavy sink loads. |
| Response Time | 0.8 µs (low-to-high) / 0.8 µs (high-to-low) at 50 mV overdrive - suitable for fast pulse discrimination in radar warning receivers. |
| Operating Temperature | −55°C to +125°C - qualified per MIL-STD-883 for deployment in extreme environmental conditions. |
Pinout & Package
Package: CFP (Ceramic Flatpack), NAD0014B outline, 14-terminal hermetic ceramic package with glass-sealed leads. Designed for high-reliability mounting in vibration-prone military platforms and space-qualified assemblies.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7 | Comparator Inputs (A–D non-inverting/inverting pairs) and Outputs | Pins 1–2: Comp A in+/in−; Pins 3–4: Comp B in+/in−; Pins 5–6: Comp C in+/in−; Pin 7: Comp A output - open-collector NPN collector requiring external pull-up. |
| 8 | Ground (GND) | Reference node for single-supply operation; input common-mode range includes this pin - enables true 0 V sensing. |
| 9, 10, 11, 12, 13, 14 | Comparator Outputs and Supply | Pins 9–10: Comp B/C outputs; Pins 11–12: Comp D in+/in−; Pin 13: Comp D output; Pin 14: V+ supply - all outputs share common emitter-ground path. |
Key Features
| Feature | Design Value |
|---|---|
| Input Common-Mode Range Includes GND | Enables direct interfacing with 0 V-referenced sensors (e.g., thermocouples, shunt-based current monitors) without level-shifting circuitry. |
| Open-Collector Outputs with OR Capability | Multiple outputs can be wire-OR'd to implement priority interrupt logic or fault-bus aggregation in redundant systems. |
| Low Power Supply Current (0.8 mA) | Reduces thermal load and extends battery runtime in portable electronic warfare subsystems and UAV telemetry modules. |
| MIL-STD-883 Qualified Testing | Group A testing across −55°C, +25°C, and +125°C validates parametric stability and functional integrity under mission-critical thermal cycling. |
| Differential Input Voltage = Supply Voltage | Allows safe overvoltage input handling up to full rail - protects against transient surges in motor drive feedback paths. |
Applications
| Aerospace Power Monitoring | Missile Guidance Threshold Detection |
|---|---|
Use Scenario: Real-time monitoring of 28 VDC bus voltage in satellite power distribution units to trigger undervoltage lockout or redundancy switchover. IC Role / Device Role / Timing Role: Quad comparator configured as window detector with hysteresis, comparing sensed bus voltage against precision reference thresholds. Use Value: ±3 mV offset voltage ensures <10 mV total error band, meeting MIL-STD-704F voltage regulation compliance for spacecraft avionics. |
Use Scenario: Detecting acceleration-triggered launch events and validating inertial measurement unit (IMU) output thresholds prior to stage separation. IC Role / Device Role / Timing Role: Comparator bank comparing IMU analog outputs against programmable trip points to generate discrete arming signals. Use Value: 0.8 µs response time enables sub-millisecond decision latency required for flight safety interlocks in tactical missiles. |
| Radiation-Tolerant Instrumentation | Avionics Fault-Bus Aggregation |
Use Scenario: Signal conditioning front-end for gamma-ray spectrometers aboard nuclear inspection drones operating in high-dose environments. IC Role / Device Role / Timing Role: Precision thresholding of detector pulse amplitudes to classify radiation energy bands before digitization. Use Value: Hermetic CFP package and −55°C to +125°C operation maintain calibration stability during thermal transients induced by radiation heating. |
Use Scenario: Consolidating discrete fault flags (overtemperature, overcurrent, communication loss) into a single wired-OR fault bus for central health monitoring. IC Role / Device Role / Timing Role: Four comparators driving open-collector outputs tied to shared pull-up resistor - implementing hardware-level OR logic. Use Value: Output saturation voltage ≤250 mV at 4 mA ensures reliable low-state recognition by downstream FPGA GPIO pins across temperature extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM139JAN | Same die, commercial-temp (−55°C to +125°C) but not MIL-STD-883 Group A tested; identical electrical specs and pinout. | Lacks military screening - unsuitable for flight-critical systems requiring lot traceability and burn-in validation. | Select LM139JAN only for ground-test equipment or non-flight prototypes where cost drives qualification trade-offs. |
| LT1016CN | Faster response (10 ns vs. 0.8 µs), lower offset (0.5 mV), but requires dual supply and lacks GND-referenced input range. | Not usable in single-supply 0 V-sensing configurations; higher supply current (4 mA) reduces battery life. | Choose LT1016CN only when nanosecond timing dominates over power and input-range constraints - e.g., high-speed data acquisition triggers. |
Compared with LM139JAN, JM38510/11201BDA adds full MIL-STD-883 Group A conformance and hermetic packaging, while LT1016CN trades military reliability for speed and precision - making JM38510/11201BDA the sole choice for GND-sensing, low-power, radiation-aware analog decision circuits.
Availability
JM38510/11201BDA is available at Aetrix Electronics and suitable for aerospace power monitoring, missile guidance threshold detection, and radiation-tolerant instrumentation requiring stable component supply across extended product lifecycles.
Supply support for JM38510/11201BDA 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 military and space-grade components.
JM38510/11201BDA belongs to TI's legacy analog comparator family engineered for precision, low-power, single-supply operation in defense and aerospace systems where GND-referenced sensing and extreme temperature resilience are mandatory.
FAQ
What is the maximum supply voltage rating for JM38510/11201BDA?
JM38510/11201BDA supports a maximum supply voltage of 36 VDC in single-supply mode or ±18 VDC in split-supply mode. Absolute maximum ratings specify 36 VDC differential input voltage tolerance - exceeding supply rails without damage. This allows robust interfacing with unregulated power sources and transient-prone sensor outputs in military vehicle electronics.
Does JM38510/11201BDA require dual power supplies to operate?
No, JM38510/11201BDA is explicitly designed for single-supply operation from 5 VDC to 36 VDC. Its input common-mode voltage range includes ground, enabling direct connection of sensors referenced to system GND - eliminating need for level-shifting circuitry. Split-supply operation (±2.5 V to ±18 VDC) is supported but optional.
What is the purpose of the open-collector output configuration in JM38510/11201BDA?
JM38510/11201BDA uses open-collector NPN outputs to enable wired-OR logic, flexible voltage-level translation, and direct compatibility with TTL, CMOS, ECL, and MOS logic families. An external pull-up resistor connects to any compatible supply rail - decoupling output logic level from the comparator's V+ supply, which is essential for mixed-voltage system interfacing in avionics.
How does JM38510/11201BDA handle input voltages below ground?
JM38510/11201BDA tolerates input voltages down to −0.3 VDC relative to GND at 25°C. Below this, internal PNP input-stage diodes conduct, limiting negative excursion and preventing damage. For sustained sub-GND inputs, external clamping diodes are recommended - a practice validated in TI's application notes for transducer amplifier circuits using JM38510/11201BDA.
Is JM38510/11201BDA pin-compatible with standard LM139 variants?
Yes, JM38510/11201BDA shares identical pinout and electrical behavior with LM139JAN and other LM139-family CFP-14 variants (e.g., JL139BDA). The NAD0014B package outline and terminal numbering are fully consistent - enabling drop-in replacement in existing layouts when upgrading to MIL-qualified components.
JM38510/11201BDA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-CFlatPack
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 4
- Output Type:
- Open-Collector, Open-Drain, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 5V ~ 36V, ±2.5V ~ 18V
- :
- 5mV @ 30V
- Voltage - Input Offset (Max):
- 100pA @ 30V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 3mA
- Current - Quiescent (Max):
- 76dB CMRR
- CMRR, PSRR (Typ):
- 700ns (Typ)
- Propagation Delay (Max):
- -
- Hysteresis:
- -55°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-CFP
JM38510/11201BDA FAQ
1.How can I place an order for JM38510/11201BDA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/11201BDA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of JM38510/11201BDA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/11201BDA is usually 5 days.
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Once your JM38510/11201BDA 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 JM38510/11201BDA?
For technical support, including JM38510/11201BDA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/11201BDA requirements.
6.How does Aetrix verify that JM38510/11201BDA is sourced from the original manufacturer or authorized distributors?
All JM38510/11201BDA 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 JM38510/11201BDA meets industry standards.
7.What is the process for return or replacement of JM38510/11201BDA?
All JM38510/11201BDA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/11201BDA, 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 JM38510/11201BDA part is unused and in its original packaging.
Return procedure for JM38510/11201BDA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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