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Texas Instruments TLC374CDRG4
- Part No.:
- TLC374CDRG4
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC374CDRG4.pdf
- Description:
- IC COMPARATOR 4 DIFF 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,176
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Product details
Overview
TLC374CDRG4 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 0.3 mA typical supply current at 5 V - enabling precision threshold detection in battery-powered sensor interfaces and industrial control logic.
For engineers reviewing the TLC374CDRG4 datasheet, TLC374CDRG4 pinout, TLC374CDRG4 application, or TLC374CDRG4 equivalent, key selection considerations include its open-drain n-channel outputs, ±5 mV max input offset voltage at 25°C, rail-to-rail common-mode input range including ground, and pin compatibility with LM339 in SOIC-14 packaging.
Technical Context
The TLC374CDRG4 integrates four independent comparators on a single LinCMOS™ die, each featuring high-impedance inputs (>10¹² Ω) and ESD-protected I/O pins rated to 1000 V (HBM). Its open-drain output stage supports wired-AND logic and TTL/MOS/CMOS interfacing via external pull-up.
It operates over 0°C to 70°C with supply voltage flexibility (3–16 V recommended), input common-mode range extending to VDD–1.5 V across temperature, and ultrastable offset drift of ≤0.23 µV/month - critical for long-term analog monitoring systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 16 V (recommended); enables direct use with 3.3 V, 5 V, and 12 V rails without level-shifting. |
| Input Offset Voltage (max) | 5 mV at 25°C; ensures reliable detection of ≥10 mV differential signals in precision window comparators. |
| Input Bias Current (typ) | 5 pA; allows direct connection to high-impedance sources like photodiodes or pH electrodes without loading error. |
| Response Time (typ) | 200 ns for TTL-level input step; supports fast edge detection in motor commutation or pulse-width monitoring. |
| Output Configuration | N-channel open-drain; permits flexible logic combining (wired-AND), level translation, and shared pull-up networks. |
| ESD Rating (HBM) | 1000 V; meets industrial handling requirements without requiring additional board-level protection circuitry. |
| Operating Temperature | 0°C to 70°C; qualified for commercial-grade embedded systems, instrumentation, and power supply supervision. |
Pinout & Package
Package: SOIC-14 (D package), 14-pin small-outline integrated circuit, RoHS-compliant, NIPDAU lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1IN– | Inverting input for Comparator 1; referenced to internal differential pair, supports rail-to-rail common-mode range. |
| 2 | 1IN+ | Non-inverting input for Comparator 1; high-impedance node (10¹² Ω typ) minimizes source loading. |
| 3 | 2IN– | Inverting input for Comparator 2; electrically isolated from other channels per LinCMOS™ process design. |
| 4 | 2IN+ | Non-inverting input for Comparator 2; shares no internal coupling with Comparator 1 inputs. |
| 5 | 3IN– | Inverting input for Comparator 3; validated for operation down to GND with no phase reversal. |
| 6 | 3IN+ | Non-inverting input for Comparator 3; compatible with single-supply sensor signal conditioning. |
| 7 | 4IN– | Inverting input for Comparator 4; supports differential sensing with matched input impedance. |
| 8 | GND | Power ground reference for all comparators and internal biasing; must be low-impedance return path. |
| 9 | 4IN+ | Non-inverting input for Comparator 4; enables independent threshold setting per channel. |
| 10 | VDD | Positive supply rail; powers all four comparators and ESD protection circuits simultaneously. |
| 11 | 4OUT | Open-drain output for Comparator 4; requires external pull-up to define logic HIGH level and sink capability. |
| 12 | 3OUT | Open-drain output for Comparator 3; supports wired-AND with other TLC374CDRG4 outputs or discrete FETs. |
| 13 | 2OUT | Open-drain output for Comparator 2; compatible with 3.3 V or 5 V logic families when pulled to respective VCC. |
| 14 | 1OUT | Open-drain output for Comparator 1; enables direct interface to microcontroller GPIO with internal or external pull-up. |
Key Features
| Feature | Design Value |
|---|---|
| LinCMOS™ Process Technology | Delivers >10¹² Ω input impedance and 5 pA input bias current - essential for high-Z sensor front-ends. |
| Single- or Dual-Supply Operation | Operates from 3–16 V single supply or ±1 V to ±9 V dual supply (|VDD–VSS| = 2–18 V), simplifying system power architecture. |
| Internal ESD Protection | 1000-V HBM rating eliminates need for external TVS diodes in standard industrial assembly environments. |
| Rail-to-Rail Input Common-Mode Range | Includes ground (0 V) and extends to VDD–1.5 V over full temperature range - supports direct connection to grounded sensors. |
| Ultrastable Input Offset Drift | ≤0.23 µV/month aging rate - ensures long-term accuracy in battery-operated condition monitoring systems. |
Applications
| Industrial Power Supply Supervision | Automotive Battery Voltage Monitoring |
|---|---|
|
Use Scenario: Real-time monitoring of +12 V and +5 V rails in programmable logic controllers to trigger shutdown before undervoltage lockout. IC Role / Device Role / Timing Role: Quadruple comparator performing independent voltage window checks with hysteresis via external resistors. Use Value: 200 ns response ensures rapid fault detection during transient load events; open-drain outputs simplify OR-ing of multiple fault signals. |
Use Scenario: Detecting battery state-of-charge thresholds (11.8 V, 12.4 V, 12.8 V, 13.2 V) in vehicle body control modules. IC Role / Device Role / Timing Role: Four independent comparators configured as cascaded voltage thresholds feeding microcontroller interrupt lines. Use Value: 5 pA input bias current prevents loading of resistive divider networks; rail-to-rail input range accommodates cold-cranking down to 6 V. |
| Medical Infusion Pump Motor Control | IoT Environmental Sensor Interface |
|
Use Scenario: Monitoring Hall-effect sensor edges to detect rotor position and commutate BLDC motor windings in portable infusion pumps. IC Role / Device Role / Timing Role: Fast-response comparator converting analog zero-crossing signals into clean digital timing pulses for MCU timer capture. Use Value: 200 ns propagation delay enables accurate timing resolution at 500 kHz motor speeds; low IDD (300 µA typ) extends battery life. |
Use Scenario: Converting analog outputs from CO₂, humidity, and temperature sensors into digital presence/absence flags for LoRaWAN edge nodes. IC Role / Device Role / Timing Role: Threshold detector for wake-on-event functionality - holding MCU in deep sleep until sensor crosses preset limit. Use Value: 0.3 mA supply current at 5 V allows continuous monitoring with <1 µA average system current; ESD-hardened I/O survives field handling. |
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 (25 nA typ), slower response (1.3 µs typ), no ESD protection, wider temp range (–40°C to 85°C). | Better suited for cost-sensitive industrial controls where speed and ESD immunity are secondary. | Select LM339DR only if legacy design reuse or extended temperature range is required; not drop-in due to higher VIO (7 mV max) and slower timing. |
| TLC3702CDR | Dual-channel version, push-pull outputs (no external pull-up needed), lower IDD (120 µA typ), same LinCMOS™ specs and 0°C–70°C range. | Ideal for space-constrained designs needing fewer comparators with integrated output drive. | Choose TLC3702CDR when only two comparators are needed and board area or BOM count reduction is prioritized over channel count. |
Compared with LM339DR and TLC3702CDR, the TLC374CDRG4 uniquely balances four-channel density, ultra-low input current, fast response, and built-in ESD protection - making it optimal for new designs requiring precision, reliability, and compactness in commercial-grade systems.
Availability
TLC374CDRG4 is available at Aetrix Electronics and suitable for industrial power supervision, automotive battery monitoring, medical motor control, and IoT sensor interface applications requiring stable component supply and long-lifecycle support.
Supply support for TLC374CDRG4 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 expertise in precision linear ICs and industrial-grade reliability.
The TLC374CDRG4 belongs to TI's LinCMOS™ comparator family, engineered for high-input-impedance, low-power, single-supply operation in sensor signal conditioning, power management, and real-time control systems.
FAQ
What is the maximum supply voltage for the TLC374CDRG4?
The absolute maximum supply voltage for the TLC374CDRG4 is 18 V, but the recommended operating range is 3 V to 16 V. Operating within this range ensures specified performance for input offset voltage, response time, and output drive capability across the full 0°C to 70°C temperature range. Exceeding 16 V may degrade long-term reliability or parametric stability, even if within absolute ratings.
Does the TLC374CDRG4 require external pull-up resistors on its outputs?
Yes, the TLC374CDRG4 features n-channel open-drain outputs, so external pull-up resistors are mandatory to establish a defined logic HIGH level. Typical values range from 2.2 kΩ to 10 kΩ depending on rise time and bus capacitance requirements. The device itself does not provide internal pull-ups, and leaving outputs unconnected results in undefined logic states.
Is the TLC374CDRG4 pin-compatible with the LM339?
Yes, the TLC374CDRG4 is pin-compatible with the LM339 in SOIC-14 (D) and PDIP-14 (N) packages, sharing identical pin assignments for all four comparators, VDD, and GND. However, differences in input offset voltage, response time, and ESD protection mean functional equivalence requires validation in the target application - it is not a guaranteed drop-in replacement without design review.
What is the input common-mode voltage range of the TLC374CDRG4?
The TLC374CDRG4 supports a common-mode input voltage range from 0 V (ground) up to VDD–1.5 V across its full operating temperature range (0°C to 70°C). This rail-to-ground capability enables direct interfacing with grounded sensors and single-supply signal chains without level-shifting circuitry - a key advantage over older bipolar comparators.
Can the TLC374CDRG4 operate from a dual supply?
Yes, the TLC374CDRG4 supports dual-supply operation provided the total supply differential (VDD – VSS) remains between 2 V and 18 V. For example, it functions correctly with +5 V and –5 V supplies (10 V total), or +12 V and –3 V (15 V total). The GND pin serves as the reference node, and inputs must remain within the common-mode range relative to this reference.
TLC374CDRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Series:
- LinCMOS™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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-SOIC
TLC374CDRG4 FAQ
1.How can I place an order for TLC374CDRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC374CDRG4 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 TLC374CDRG4 reliable?
The price and inventory of TLC374CDRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC374CDRG4 is usually 5 days.
3.What payment methods are accepted for TLC374CDRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC374CDRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC374CDRG4?
TLC374CDRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC374CDRG4 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 TLC374CDRG4?
For technical support, including TLC374CDRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC374CDRG4 requirements.
6.How does Aetrix verify that TLC374CDRG4 is sourced from the original manufacturer or authorized distributors?
All TLC374CDRG4 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 TLC374CDRG4 meets industry standards.
7.What is the process for return or replacement of TLC374CDRG4?
All TLC374CDRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLC374CDRG4, 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 TLC374CDRG4 part is unused and in its original packaging.
Return procedure for TLC374CDRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC374CDRG4 Tags
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LM2903DR
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LM339DR
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