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Texas Instruments TLC3702MFKB
- Part No.:
- TLC3702MFKB
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- -
- Datasheet:
-
TLC3702MFKB.pdf
- Description:
- TLC3702M LOW-POWER LINCMOS DUAL
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Inventory:1,072
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Product details
Overview
TLC3702MFKB from Texas Instruments is a dual micropower LinCMOS™ voltage comparator with push-pull CMOS outputs, operating from 4 V to 16 V over −55°C to 125°C. It delivers 2.7 μs typical propagation delay (tPLH) at 5-mV overdrive, ±8 mA output drive, 100 μW typical supply power at 5 V, and 10 mV max input offset voltage across full temperature range - used in precision threshold detection for aerospace power sequencing and military-grade sensor interfaces.
For engineers reviewing the TLC3702MFKB datasheet, TLC3702MFKB pinout, TLC3702MFKB application, or TLC3702MFKB equivalent, key selection criteria include its military-temperature-rated LinCMOS™ input stage, rail-to-rail-compatible common-mode range (0 to VDD−1.5 V), absence of external pullup resistors, and ESD-hardened design qualified to 2 kV HBM.
Technical Context
The TLC3702MFKB integrates two independent comparators on a LinCMOS™ process, enabling high input impedance (>10¹² Ω), ultra-low input bias current (5 pA typ at 25°C), and stable offset performance under large differential inputs. Its push-pull output stage eliminates need for external pullup resistors while sustaining ±20 mA absolute maximum output current per channel.
Designed for single-supply operation, it supports input common-mode voltages from ground up to VDD−1.5 V across −55°C to 125°C, with 82–84 dB CMRR and 82–85 dB PSRR over temperature. On-chip ESD protection meets 2 kV HBM and 200 V CDM standards without degrading leakage performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4 V to 16 V - enables direct interface with 5 V, 12 V, and 15 V legacy military power rails without regulation. |
| Operating Temperature | −55°C to 125°C - qualified for full military temperature range per MIL-PRF-38535 requirements. |
| Input Offset Voltage | Max 10 mV (−55°C to 125°C) - ensures reliable switching margin in precision analog thresholding circuits. |
| Propagation Delay | 2.7 μs typ (tPLH), 5-mV overdrive, CL = 50 pF - supports fast response in real-time fault detection systems. |
| Output Drive | ±8 mA typ, ±20 mA abs max - directly drives TTL logic, LEDs, or small MOSFET gates without buffer stages. |
| Supply Current | 90 μA max (−55°C to 125°C), both comparators - enables multi-year battery life in unattended field sensors. |
| Input Bias Current | 30 nA max at 125°C - preserves accuracy in high-impedance voltage divider sensing networks. |
Pinout & Package
Ceramic flatpack (FK) package, 20-pin, hermetically sealed, lead-free compatible, rated for 260°C reflow (60 s).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 | NC | No internal connection - unused pins electrically isolated; must be left floating or grounded per layout best practice. |
| 2 | 2OUT | Inverting comparator output - push-pull CMOS stage capable of sourcing/sinking ≥8 mA into capacitive loads. |
| 4 | 2IN− | Inverting input of second comparator - high-impedance node (≥10¹² Ω) with 1 pA typ bias current at 25°C. |
| 6, 8 | NC | No internal connection - no bond wire or die attachment; not to be used as thermal pad or ground plane anchor. |
| 10 | 1IN− | Inverting input of first comparator - matched to 2IN− for dual-channel common-mode rejection. |
| 12 | 1IN+ | Non-inverting input of first comparator - accepts signals up to VDD−1.5 V with <10 mV offset error over full temp range. |
| 14 | NC | No internal connection - pin 14 is unconnected despite center position in FK top view. |
| 16 | 1OUT | Non-inverting comparator output - identical electrical specs to 2OUT; supports independent load driving. |
| 18 | 2IN+ | Non-inverting input of second comparator - fully interchangeable with 1IN+ in layout routing. |
| 20 | VDD | Positive supply rail - decoupling capacitor (0.1 μF ceramic) required within 5 mm for stable high-speed operation. |
Key Features
| Feature | Design Value |
|---|---|
| Military-temperature qualification | Rated for −55°C to 125°C operation with verified parametric limits - eliminates derating calculations in avionics and defense electronics. |
| Push-pull CMOS output | Drives 50 pF loads in 2.7 μs without external pullup - reduces BOM count, PCB area, and power loss in space-constrained modules. |
| LinCMOS™ input stage | 1 pA input bias current (25°C), 30 nA max (125°C), and 10 mV max VIO over full temp - enables direct interface with high-Z sensors and precision references. |
| ESD-hardened architecture | 2 kV HBM / 200 V CDM rating with patented shunt circuitry - prevents gate oxide damage during board assembly and field handling. |
| Single-supply compatibility | Common-mode input range extends to GND and up to VDD−1.5 V - supports direct sensing of 0–5 V or 0–12 V analog signals without level-shifting. |
Applications
| Aerospace Power Sequencing | Military Sensor Signal Conditioning |
|---|---|
Use Scenario: Monitoring multiple DC/DC converter outputs during cold-start power-up in satellite subsystems. IC Role / Device Role / Timing Role: Dual comparator provides independent undervoltage lockout (UVLO) and overvoltage detection with simultaneous assertion of fault flags. Use Value: 2.7 μs response time ensures sub-microsecond fault capture before downstream FPGAs or processors initialize. |
Use Scenario: Converting analog outputs from radiation-hardened temperature and pressure transducers into digital logic levels. IC Role / Device Role / Timing Role: Threshold detector translating millivolt-level sensor outputs into clean CMOS/TTL-compatible signals for microcontroller ADC trigger inputs. Use Value: 10 mV max VIO over −55°C to 125°C guarantees ≤0.1% measurement error drift across mission-critical environmental profiles. |
| Avionics Battery Management | Tactical Radio RF Stage Protection |
Use Scenario: Real-time monitoring of Li-ion cell voltage gradients in airborne battery packs during charge/discharge cycles. IC Role / Device Role / Timing Role: Precision window comparator detecting out-of-spec cell imbalance using resistor-divider feedback networks. Use Value: 5 pA input bias current prevents loading errors in high-resistance dividers, preserving ±1 mV measurement fidelity. |
Use Scenario: Detecting RF front-end overdrive conditions to disable power amplifiers before thermal runaway occurs. IC Role / Device Role / Timing Role: Fast-response comparator comparing detected PA output envelope against programmable reference thresholds. Use Value: Push-pull output drives RF switch control lines directly, eliminating timing skew from external buffers in critical protection paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual voltage comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM393AMX/NOPB | Bipolar input stage; 2 mV max VIO (−55°C to 125°C); 500 μA supply current; open-collector output requiring pullup. | Higher power consumption and slower response (1.3 μs min but highly supply-dependent); lacks rail-to-rail input capability. | Select when cost sensitivity outweighs micropower and speed requirements; verify pullup resistor thermal design. |
| MAX971ESA+ | CMOS input; 1.5 mV max VIO (−40°C to 85°C); 12 μA supply current; push-pull output; only commercial/industrial temp grade. | Superior offset and lower quiescent current, but unqualified for military temperature range and lacks ESD hardening beyond 2 kV HBM. | Select for industrial IoT edge nodes where extended temperature is not required and lowest power dominates. |
Compared with LM393AMX/NOPB and MAX971ESA+, the TLC3702MFKB uniquely combines military-temperature operation, micropower consumption (<100 μW), push-pull drive, and robust ESD protection - making it irreplaceable in flight-critical and deployed defense systems where reliability under extreme conditions is non-negotiable.
Availability
TLC3702MFKB is available at Aetrix Electronics and suitable for aerospace power sequencing, military sensor signal conditioning, avionics battery management, and tactical radio RF stage protection requiring stable component supply across extended lifecycle programs.
Supply support for TLC3702MFKB 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 aerospace components.
The TLC3702MFKB belongs to TI's LinCMOS™ comparator family, engineered specifically for low-power, high-precision threshold detection in harsh-environment applications where temperature stability, input integrity, and long-term parametric consistency are mandatory.
FAQ
What is the maximum allowable supply voltage for the TLC3702MFKB?
The TLC3702MFKB has an absolute maximum supply voltage rating of 18 V, but its recommended operating range is 4 V to 16 V. Operation above 16 V risks exceeding safe dissipation limits in the FK package and may degrade long-term reliability - always observe the 16 V upper limit specified in the recommended operating conditions table for sustained use.
Does the TLC3702MFKB require external pullup resistors on its outputs?
No, the TLC3702MFKB does not require external pullup resistors. Its push-pull CMOS output stage actively sources and sinks current, enabling direct drive of capacitive loads up to 50 pF while maintaining 2.7 μs typical propagation delay - eliminating board space, component cost, and power loss associated with pullup networks.
How does the input offset voltage of the TLC3702MFKB vary across temperature?
The TLC3702MFKB specifies a maximum input offset voltage of 10 mV over its full −55°C to 125°C operating range. At 25°C, typical VIO is 1.2 mV, rising gradually to 10 mV at temperature extremes - this guaranteed worst-case value ensures predictable switching margins in mission-critical analog threshold applications.
Can the TLC3702MFKB interface directly with TTL logic inputs?
Yes, the TLC3702MFKB is fully compatible with TTL logic inputs. Its push-pull output delivers VOH ≥4.5 V (at IOH = −4 mA, 25°C) and VOL ≤300 mV (at IOL = 4 mA, 25°C), meeting standard TTL VIH(min) = 2.0 V and VIL(max) = 0.8 V thresholds with substantial noise margin - no level-shifting circuitry is needed.
What is the purpose of the NC pins on the TLC3702MFKB FK package?
The NC pins (1, 3, 5, 7, 9, 11, 13, 15, 17, 19) on the TLC3702MFKB FK package have no internal connection to the die. They are structurally present for mechanical symmetry and thermal uniformity in the ceramic flatpack but must remain unconnected - grounding or routing them may introduce parasitic coupling or violate hermetic seal integrity.
TLC3702MFKB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- -
- Number of Elements:
- -
- Output Type:
- -
- Voltage - Supply, Single/Dual (±):
- -
- :
- -
- Voltage - Input Offset (Max):
- -
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- -
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- :
- -
TLC3702MFKB FAQ
1.How can I place an order for TLC3702MFKB through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC3702MFKB 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 TLC3702MFKB reliable?
The price and inventory of TLC3702MFKB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC3702MFKB is usually 5 days.
3.What payment methods are accepted for TLC3702MFKB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC3702MFKB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC3702MFKB?
TLC3702MFKB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC3702MFKB 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 TLC3702MFKB?
For technical support, including TLC3702MFKB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC3702MFKB requirements.
6.How does Aetrix verify that TLC3702MFKB is sourced from the original manufacturer or authorized distributors?
All TLC3702MFKB 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 TLC3702MFKB meets industry standards.
7.What is the process for return or replacement of TLC3702MFKB?
All TLC3702MFKB units undergo pre-shipment inspection (PSI). If there is an issue with TLC3702MFKB, 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 TLC3702MFKB part is unused and in its original packaging.
Return procedure for TLC3702MFKB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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