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Texas Instruments TLC372MP
- Part No.:
- TLC372MP
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC372MP.pdf
- Description:
- IC COMPARATOR 2 DIFF 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:403
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Product details
Overview
TLC372MP from Texas Instruments is a dual CMOS voltage comparator with open-drain outputs, designed for precision threshold detection in military-grade embedded systems. It operates from 4V to 16V single supply (or ±2V to ±8V dual supply), delivers 200ns typical response time at TTL-level input steps, draws only 150µA supply current at 5V, and supports common-mode input down to ground - enabling direct interfacing with sensors and reference circuits in avionics power monitoring.
For engineers reviewing the TLC372MP datasheet, TLC372MP pinout, TLC372MP application, or TLC372MP equivalent, this page provides verified military-temperature-range specifications, open-drain output design guidance, input bias current (5pA typ), offset voltage (1–5mV), and pin-compatible alternatives to LM393 for high-reliability analog signal conditioning.
Technical Context
The TLC372MP implements two independent CMOS differential-pair comparators with ultra-high input impedance (>10¹²Ω) and rail-to-rail common-mode range (0V to VDD−1.5V). Its n-channel open-drain outputs require external pull-up resistors and support wired-AND logic, level translation up to 16V, and sink currents up to 16mA per channel.
It features built-in ESD protection rated at 1000V HBM, operates across −55°C to +125°C, and maintains stable offset voltage (<5mV max) and low input bias current (5pA typ) over full temperature range - critical for precision window comparators and battery-monitoring circuits where leakage and thermal drift must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4V to 16V single supply - enables operation from 5V logic rails up to 12V industrial bus voltages without level-shifting. |
| Input Offset Voltage | 1–5mV (max 10mV over full temp) - ensures accurate trip-point stability in undervoltage/overvoltage detection circuits. |
| Input Bias Current | 5pA typical - permits direct connection to high-impedance sources (e.g., thermistors, photodiodes) without loading error. |
| Response Time | 200ns typical (100mV overdrive, 5V supply) - supports fast edge detection in pulse-width monitoring and fault-response systems. |
| Output Configuration | N-channel open-drain - allows flexible pull-up to any voltage ≤16V, enabling logic-level translation and wired-AND bus interfaces. |
| Common-Mode Input Range | 0V to VDD−1.5V - includes ground reference, simplifying sensor interface in single-supply systems without level-shifting. |
| Operating Temperature | −55°C to +125°C - qualified for military/aerospace applications requiring extended thermal robustness and long-term reliability. |
Pinout & Package
Ceramic DIP (JG) package - 8-pin through-hole, hermetically sealed, MIL-STD-883 qualified, suitable for high-reliability PCBs with conformal coating or vacuum environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Open-drain output of Comparator A - must be pulled up externally; sinks current when IN+ < IN−. |
| 2 | IN− A | Inverting input of Comparator A - accepts voltage within 0V to VDD−1.5V; high-Z node sensitive to noise if unconnected. |
| 3 | IN+ A | Non-inverting input of Comparator A - same voltage range as IN− A; differential pair drives output state. |
| 4 | GND | Ground reference for V− - used as return path for both comparators and pull-up resistors. |
| 5 | IN+ B | Non-inverting input of Comparator B - electrically isolated from Channel A; supports independent threshold sensing. |
| 6 | IN− B | Inverting input of Comparator B - identical specs to IN− A; requires ≥50mV differential if unused channel is tied off. |
| 7 | OUT B | Open-drain output of Comparator B - shares no internal connection with OUT A; enables independent alert signaling. |
| 8 | VDD | Positive supply rail - powers both comparators; supports 4V–16V range; bypass capacitor required at pin. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low input bias current | 5pA typical - eliminates measurement error in high-impedance sensor interfaces (e.g., pH probes, piezoelectric transducers). |
| Wide supply voltage range | 4V to 16V - accommodates legacy 5V, modern 12V, and intermediate industrial rails without external regulators. |
| Fast propagation delay | 200ns typical - meets timing requirements for real-time fault detection in motor control and power converter protection. |
| Military temperature rating | −55°C to +125°C - validated per MIL-PRF-38535, supporting deployment in avionics, downhole tools, and space-qualified subsystems. |
| ESD protection | 1000V HBM - reduces handling sensitivity during assembly and field maintenance in uncontrolled ESD environments. |
Applications
| Power Supply Monitoring | Window Comparator |
|---|---|
|
Use Scenario: Real-time validation of 24V PLC bus voltage against 19.2V undervoltage and 30V overvoltage thresholds. IC Role / Device Role / Timing Role: Dual comparator performing independent high/low threshold comparison with open-drain outputs driving alert lines. Use Value: Enables fail-safe shutdown before brownout or overvoltage damage occurs; 200ns response ensures sub-microsecond fault capture. |
Use Scenario: Detecting out-of-range analog sensor outputs (e.g., pressure transducer 0–5V signal) in flight control systems. IC Role / Device Role / Timing Role: Precision threshold detector comparing sensor voltage to upper/lower reference voltages generated by resistor dividers. Use Value: 5pA input bias prevents loading of high-Z sensor networks; 1–5mV offset ensures <±0.1% trip accuracy across −55°C to +125°C. |
| Battery Cell Balancing | Logic-Level Translation |
|
Use Scenario: Monitoring individual Li-ion cell voltages in 12S battery packs for overcharge/undercharge protection. IC Role / Device Role / Timing Role: High-impedance comparator detecting cell voltage crossing 4.25V (overcharge) or 2.8V (undercharge) thresholds. Use Value: 10¹²Ω input impedance avoids parasitic discharge; open-drain outputs interface directly with microcontroller GPIOs or MOSFET gate drivers. |
Use Scenario: Converting 3.3V logic signals to 12V control levels for solenoid drivers in industrial I/O modules. IC Role / Device Role / Timing Role: Level-shifting comparator with VDD = 12V and pull-up to 12V, accepting 3.3V input on IN+ relative to GND. Use Value: Eliminates need for discrete level translators; 200ns delay preserves timing integrity in high-speed digital control loops. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM393MDREPG4 | Bipolar input stage; higher input bias current (25nA typ); wider offset voltage range (±2mV to ±7mV); no military temp grade. | Limited to commercial/industrial use (−40°C to +85°C); unsuitable for avionics or downhole due to thermal drift and leakage. | Select when cost-sensitive industrial designs tolerate higher input current and relaxed offset stability. |
| TLC372CDR | Same CMOS architecture and pinout; rated for 0°C to +70°C only; lower ESD rating (500V HBM); plastic D package. | Appropriate for non-mission-critical consumer or lab equipment; lacks hermetic sealing and extended thermal qualification. | Choose for prototyping or volume production where military spec is unnecessary and RoHS-compliant plastic packaging suffices. |
Compared with LM393MDREPG4 and TLC372CDR, the TLC372MP uniquely combines military-temperature operation, 5pA input bias, and ceramic JG packaging - making it the only option for high-reliability analog threshold detection where thermal stability and leakage immunity are non-negotiable.
Availability
TLC372MP is available at Aetrix Electronics and suitable for avionics power monitoring, downhole instrumentation, and military-grade battery management systems requiring stable component supply across extended temperature extremes and long product lifecycles.
Supply support for TLC372MP 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 precision analog ICs and military-qualified components.
The TLC372MP belongs to TI's precision comparator family designed specifically for high-reliability threshold detection in aerospace, defense, and industrial systems where low input bias, wide supply range, and extreme temperature operation are essential.
FAQ
What is the maximum supply voltage for the TLC372MP?
The TLC372MP has an absolute maximum supply voltage (VDD) of 18V, but its recommended operating range is 4V to 16V. Operation above 16V risks exceeding safe power dissipation limits and may degrade long-term reliability, especially at high ambient temperatures. The TLC372MP datasheet specifies 16V as the upper limit for continuous functional operation under all conditions.
Does the TLC372MP support dual-supply operation?
Yes, the TLC372MP supports dual-supply operation with a total supply differential of 3V to 16V - for example, ±5V (10V total) or +12V/−3V (15V total). However, the negative rail (V−) must connect to Pin 4 (GND) in standard configurations; true split-supply use requires external grounding of V− and careful attention to common-mode input limits relative to each rail.
Why does the TLC372MP have open-drain outputs?
The TLC372MP uses open-drain outputs to enable wired-AND logic, level translation up to 16V, and flexible interfacing with TTL, CMOS, or MOS logic families. This architecture allows multiple comparators to share a single pull-up resistor and alert line - a key requirement in fault-bus architectures used in avionics and industrial safety systems where the TLC372MP is commonly deployed.
Can unused comparator channels on the TLC372MP be left floating?
No - unused inputs on the TLC372MP must not be left floating or tied together, as the device's high bandwidth and low offset can cause oscillation due to internal noise. Per TI's datasheet guidance, each unused input must be biased within the common-mode range (0V to VDD−1.5V) with ≥50mV differential - for example, tie IN+ to GND and IN− to 100mV via resistor divider - to ensure stable quiescent state.
What is the input common-mode voltage range for the TLC372MP?
The TLC372MP supports a common-mode input voltage range of 0V to VDD−1.5V over its full −55°C to +125°C operating range. This includes ground-referenced signals and enables direct connection to sensors, potentiometers, and DAC outputs without level-shifting circuitry - a critical advantage in compact, low-power military and aerospace subsystems using the TLC372MP.
TLC372MP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Series:
- LinCMOS™
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Differential
- Number of Elements:
- 2
- Output Type:
- CMOS, MOS, Open-Drain, TTL
- Voltage - Supply, Single/Dual (±):
- 4V ~ 16V, ±2V ~ 8V
- :
- 5mV @ 5V
- Voltage - Input Offset (Max):
- 5pA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 400µA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -55°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Through Hole
- :
- 8-PDIP
TLC372MP FAQ
1.How can I place an order for TLC372MP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC372MP 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 TLC372MP reliable?
The price and inventory of TLC372MP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC372MP is usually 5 days.
3.What payment methods are accepted for TLC372MP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC372MP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC372MP?
TLC372MP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC372MP 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 TLC372MP?
For technical support, including TLC372MP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC372MP requirements.
6.How does Aetrix verify that TLC372MP is sourced from the original manufacturer or authorized distributors?
All TLC372MP 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 TLC372MP meets industry standards.
7.What is the process for return or replacement of TLC372MP?
All TLC372MP units undergo pre-shipment inspection (PSI). If there is an issue with TLC372MP, 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 TLC372MP part is unused and in its original packaging.
Return procedure for TLC372MP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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