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Texas Instruments TLC374CPWR
- Part No.:
- TLC374CPWR
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLC374CPWR.pdf
- Description:
- IC COMPARATOR 4 DIFF 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,844
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Product details
Overview
TLC374CPWR from Texas Instruments is a LinCMOS™ quadruple differential comparator IC designed for single- or dual-supply operation across 2 V to 18 V. It delivers 200 ns typical response time (TTL-level input step), 5 pA typical input bias current, and 10¹² Ω typical input impedance-enabling high-precision threshold detection in battery-powered sensor interfaces and industrial control logic.
For engineers reviewing the TLC374CPWR datasheet, TLC374CPWR pinout, TLC374CPWR application, or TLC374CPWR equivalent, key selection considerations include its open-drain n-channel outputs compatible with TTL/MOS/CMOS loads, ±5 mA absolute maximum input current rating, 0°C to 70°C operating range, and TSSOP-14 package with 0.65 mm pitch for space-constrained PCB layouts.
Technical Context
The TLC374CPWR integrates four independent comparators on a single LinCMOS™ die, each featuring rail-to-rail common-mode input voltage range (including ground) and output stages configured as n-channel open-drain transistors. Its architecture supports wired-AND logic configurations without external pull-ups when multiple outputs share a common load.
Input stage design achieves ultralow input bias current (5 pA typ) and stable offset voltage (≤5 mV max at 25°C), with offset drift of only 0.23 µV/month including first 30 days-critical for long-term calibration integrity in data acquisition front-ends and precision reference monitoring circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 18 V - supports single-supply battery systems (e.g., 3.3 V, 5 V, 12 V) and dual-supply configurations where |VDD − VSS| ≥ 2 V. |
| Input Bias Current | 5 pA typical - enables direct connection to high-impedance sources like photodiodes or piezoelectric sensors without loading error. |
| Response Time | 200 ns typical (TTL-level input step) - suitable for fast edge detection in motor commutation timing and digital pulse-width monitoring. |
| Input Offset Voltage | ≤5 mV maximum at 25°C - ensures accurate threshold comparison in 12-bit ADC reference supervision and analog window-detect circuits. |
| Output Configuration | n-channel open-drain - allows flexible level translation and wired-AND logic with external pull-up to any voltage ≤18 V. |
| ESD Rating | 1000 V HBM - built-in protection reduces need for external TVS diodes in board-level ESD-prone environments. |
| Operating Temperature | 0°C to 70°C - qualified for commercial-grade embedded control, test equipment, and consumer electronics applications. |
Pinout & Package
TSSOP-14 package (PW), 4.4 mm × 5.0 mm body, 0.65 mm lead pitch, exposed pad not present, RoHS-compliant NiPdAu lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 5, 6, 8, 9, 11, 12, 13, 14 | Comparator Inputs & Outputs | Pins 1/2 = CH1 IN+/IN−; 5/6 = CH2 IN+/IN−; 8/9 = CH3 IN+/IN−; 11/12 = CH4 IN+/IN−; 3/7/10/13 = CH1–CH4 OUT; 4 = VDD; 14 = GND. |
| 3, 7, 10, 13 | Open-Drain Output Terminals | Each drives low actively; requires external pull-up for logic-high state; supports shared-bus wired-AND functionality. |
| 4 | Positive Supply Rail | Accepts 2 V to 18 V; powers all four comparators; decoupling capacitor recommended within 10 mm. |
| 14 | Ground Reference | Common return for supply and inputs; must be low-impedance path to minimize noise coupling into high-Z inputs. |
Key Features
| Feature | Design Value |
|---|---|
| LinCMOS™ Process Technology | Enables 10¹² Ω input impedance and 5 pA input bias current-critical for micro-power sensor signal conditioning. |
| Wide Common-Mode Input Range | Includes ground and extends to VDD − 1 V (at 25°C)-supports direct interfacing with unipolar transducer outputs. |
| Ultrastable Input Offset | 0.23 µV/month drift (including first 30 days)-reduces recalibration frequency in metrology and medical instrumentation. |
| Pin Compatibility with LM339 | Direct drop-in replacement in existing LM339 layouts-no PCB redesign needed for upgrade to lower power and higher precision. |
| Single/Dual-Supply Flexibility | Operates with VDD = 2–18 V or dual supplies (e.g., ±5 V) as long as |VDD − VSS| ≥ 2 V-simplifies power architecture in mixed-signal systems. |
Applications
| Industrial Threshold Detection | Power Supply Monitoring |
|---|---|
Use Scenario: Detecting overvoltage/undervoltage conditions on 12 V DC rails in PLC I/O modules. IC Role / Device Role / Timing Role: Four independent comparators monitor VREF, VBAT, VOUT, and temperature-sense voltage against precision references. Use Value: Open-drain outputs interface directly to 3.3 V FPGA GPIO with 10 kΩ pull-ups, eliminating level-shifter ICs. |
Use Scenario: Supervising multi-rail power sequencing in network switch line cards. IC Role / Device Role / Timing Role: Each comparator validates presence and stability of +3.3 V, +5 V, +12 V, and −12 V supplies during startup. Use Value: 200 ns response ensures fault detection within 500 ns of rail deviation-meeting IEEE 802.3af timing requirements. |
| Sensor Signal Conditioning | Motor Control Feedback |
Use Scenario: Converting analog outputs from RTD-based temperature sensors into digital thresholds for HVAC zone controllers. IC Role / Device Role / Timing Role: Compares filtered sensor voltage against four fixed reference voltages to generate discrete zone status bits. Use Value: 5 pA input bias current prevents measurement error in 10 kΩ bridge configurations with 1 µA excitation current. |
Use Scenario: Commutation timing in 3-phase BLDC motor drives using Hall-effect rotor position feedback. IC Role / Device Role / Timing Role: Three comparators decode Hall sensor states; fourth monitors bus voltage for overcurrent trip logic. Use Value: Rail-to-rail input range accepts 0–5 V Hall signals directly, while 200 ns propagation enables >100 kHz motor speeds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quadruple comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM339DR | Higher input bias current (250 nA typ), slower response (1.3 µs typ), no ESD protection circuitry. | Not suitable for high-impedance sensor nodes or ESD-prone industrial enclosures without external protection. | Select LM339DR only when cost is primary constraint and system already includes robust ESD filtering and low-Z sources. |
| TLC374IPW | Identical electrical specs but rated for –40°C to 85°C industrial temperature range; same TSSOP-14 package. | Required for outdoor equipment, automotive under-hood modules, or factory automation with extended thermal cycling. | Choose TLC374IPW when ambient operating temperature exceeds 70°C or reliability demands wider qualification coverage. |
Compared with LM339DR and TLC374IPW, the TLC374CPWR provides optimal balance of ultra-low input current, fast response, and commercial-temperature reliability in compact TSSOP packaging-making it ideal for cost-sensitive yet performance-critical embedded designs where layout space and long-term calibration stability matter.
Availability
TLC374CPWR is available at Aetrix Electronics and suitable for industrial control systems, sensor interface modules, and power management circuits requiring stable component supply, consistent parametric performance, and RoHS-compliant TSSOP packaging.
Supply support for TLC374CPWR 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 company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets since 1930.
The TLC374 series belongs to TI's LinCMOS™ precision comparator product line, engineered specifically for applications demanding nanoscale input currents, rail-to-rail input operation, and long-term offset stability in commercial and industrial environments.
FAQ
What is the maximum supply voltage rating for the TLC374CPWR?
The TLC374CPWR has an absolute maximum supply voltage (VDD) rating of 18 V. Operation beyond this limit risks permanent damage. Recommended operating range is 3 V to 16 V per datasheet specifications, ensuring reliable performance across battery-powered and line-powered systems while maintaining specified input offset and response time.
Does the TLC374CPWR support dual-supply operation?
Yes, the TLC374CPWR supports dual-supply operation provided the difference between positive and negative supply rails is maintained between 2 V and 18 V. For example, ±5 V (10 V total) or +12 V/–5 V (17 V total) configurations are valid. The device's common-mode input range includes ground, enabling direct sensing of bipolar signals without level-shifting circuitry.
Are the outputs of the TLC374CPWR push-pull or open-drain?
The TLC374CPWR features n-channel open-drain output terminals (pins 3, 7, 10, 13). Each output can sink up to 20 mA but cannot source current. External pull-up resistors are required to establish logic-high states, enabling wired-AND logic and voltage-level translation-key advantages over push-pull comparators in multi-source bus architectures.
What is the input offset voltage specification for the TLC374CPWR at 25°C?
The TLC374CPWR has a maximum input offset voltage of 5 mV at 25°C, with typical value of 1 mV. This specification applies across all four comparators and is verified under conditions where output transitions occur above 4 V or below 400 mV with a 10 kΩ pull-up to VDD-ensuring predictable switching thresholds in precision window-detect and zero-crossing applications.
Is the TLC374CPWR pin-compatible with the LM339 family?
Yes, the TLC374CPWR is pin-compatible with the LM339 in TSSOP-14 (PW) and SOIC-14 (D) packages. Pin assignments for inputs, outputs, VDD, and GND match exactly, allowing direct replacement in existing LM339 layouts. However, designers must verify that external pull-up values and load capacitance align with TLC374CPWR's faster 200 ns response to avoid ringing or false triggering.
TLC374CPWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Series:
- LinCMOS™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Differential
- Number of Elements:
- 4
- Output Type:
- CMOS, MOS, Open-Drain, TTL
- Voltage - Supply, Single/Dual (±):
- 3V ~ 16V, ±1.5V ~ 8V
- :
- 5mV @ 5V
- Voltage - Input Offset (Max):
- 5pA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 800µA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 14-TSSOP
TLC374CPWR FAQ
1.How can I place an order for TLC374CPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC374CPWR 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 TLC374CPWR reliable?
The price and inventory of TLC374CPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC374CPWR is usually 5 days.
3.What payment methods are accepted for TLC374CPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC374CPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC374CPWR?
TLC374CPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC374CPWR 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 TLC374CPWR?
For technical support, including TLC374CPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC374CPWR requirements.
6.How does Aetrix verify that TLC374CPWR is sourced from the original manufacturer or authorized distributors?
All TLC374CPWR 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 TLC374CPWR meets industry standards.
7.What is the process for return or replacement of TLC374CPWR?
All TLC374CPWR units undergo pre-shipment inspection (PSI). If there is an issue with TLC374CPWR, 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 TLC374CPWR part is unused and in its original packaging.
Return procedure for TLC374CPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC374CPWR Tags
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