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Texas Instruments TLC393IDRG4
- Part No.:
- TLC393IDRG4
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC393IDRG4.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,153
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Product details
Overview
TLC393IDRG4 from Texas Instruments is a dual micropower voltage comparator with open-drain CMOS outputs, designed for single-supply operation from 3 V to 16 V. It delivers 110 µW typical supply power at 5 V, 2.5 µs typical propagation delay (tPLH) with 5-mV overdrive, and ≤5 mV input offset voltage across −40°C to 125°C - enabling precision threshold detection in battery-powered industrial sensors and power supervision circuits.
For engineers reviewing the TLC393IDRG4 datasheet, TLC393IDRG4 pinout, TLC393IDRG4 application, or TLC393IDRG4 equivalent, this page provides verified package mapping (SOIC-8), confirmed LinCMOS™ process advantages (low bias current, high CMRR), temperature-rated electrical specs, and two validated alternative comparators for design flexibility under extended industrial conditions.
Technical Context
The TLC393IDRG4 implements two independent comparators using Texas Instruments' LinCMOS™ process, delivering ultra-low input bias current (≤0.6 nA at 70°C) and stable input offset voltage (≤7 mV over −40°C to 85°C). Its open-drain output stage requires an external pull-up resistor and supports interfacing with TTL, CMOS, or mixed-voltage logic loads.
It operates across a wide common-mode input range (0 V to VDD − 1.5 V) and exhibits 84 dB minimum common-mode rejection ratio (CMMR) and supply-voltage rejection ratio (kSVR) up to 85 dB - critical for reliable operation in noisy industrial environments with fluctuating rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 16 V - enables direct use with 3.3 V, 5 V, and 12 V systems without level-shifting. |
| Quiescent Supply Current | 22–65 µA (both comparators, −40°C to 85°C) - supports multi-year battery life in always-on monitoring nodes. |
| Input Offset Voltage | ≤7 mV max (−40°C to 85°C) - ensures accurate voltage thresholding within ±3.5 mV tolerance at room and extended temperatures. |
| Propagation Delay (tPLH) | 2.5 µs typ @ 5-mV overdrive, VDD = 5 V - suitable for sub-100-kHz window-comparator or PWM timing applications. |
| Input Bias Current | ≤0.6 nA at 70°C - minimizes error in high-impedance sensor interfaces (e.g., thermistors, photodiodes). |
| Common-Mode Input Range | 0 V to VDD − 1.5 V - allows rail-to-rail sensing of signals referenced to ground or mid-supply. |
| Output Type | Open-drain CMOS - permits wired-OR logic, flexible pull-up voltage selection (up to 16 V), and compatibility with mixed-voltage buses. |
Pinout & Package
Package: SOIC-8 (D package), surface-mount, 150 mil width, RoHS-compliant NIPDAU lead finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Open-drain output of Comparator 1 - requires external pull-up; sinks up to 20 mA. |
| 2 | IN1− | Inverting input of Comparator 1 - accepts voltages from 0 V to VDD − 1.5 V. |
| 3 | IN1+ | Non-inverting input of Comparator 1 - same common-mode range as IN1−. |
| 4 | GND | Ground reference for both comparators and internal circuitry - must be low-impedance. |
| 5 | VDD | Positive supply rail - powers both comparators; decoupling capacitor (0.1 µF) required near pin. |
| 6 | OUT2 | Open-drain output of Comparator 2 - electrically isolated from OUT1; shares same drive capability. |
| 7 | IN2− | Inverting input of Comparator 2 - fully independent; no crosstalk with Comparator 1 inputs. |
| 8 | IN2+ | Non-inverting input of Comparator 2 - supports differential or single-ended sensing configurations. |
Key Features
| Feature | Design Value |
|---|---|
| LinCMOS™ Process Technology | Delivers <1 pA input bias current at 25°C and stable offset voltage under differential stress - essential for high-precision analog front-ends. |
| Ultra-Low Power Operation | 22 µA typical supply current per comparator at 25°C - reduces thermal load and extends battery runtime in portable instrumentation. |
| Wide Temperature Range | Rated for −40°C to 125°C operation - qualified for under-hood automotive, industrial PLC, and outdoor equipment deployments. |
| On-Chip ESD Protection | Withstands ≥2000 V HBM per MIL-STD-883C Method 3015.2 - improves manufacturing yield and field reliability without external protection diodes. |
| Single-Supply Flexibility | Operates down to 3 V while maintaining full input common-mode range - eliminates need for negative rails in sensor signal conditioning. |
Applications
| Battery Voltage Monitor | Industrial Overvoltage Detector |
|---|---|
|
Use Scenario: Monitoring Li-ion cell voltage during charging/discharging to trigger cutoff or alert at 4.2 V and 3.0 V thresholds. IC Role / Device Role / Timing Role: Dual comparator performs simultaneous high/low voltage window detection with independent hysteresis. Use Value: 7 mV max offset ensures ±3.5 mV threshold accuracy across −40°C to 125°C, reducing false trips in wide-temperature deployments. |
Use Scenario: Detecting AC line overvoltage (>277 VAC) in industrial motor drives before tripping IGBT gate drivers. IC Role / Device Role / Timing Role: Comparator compares scaled rectified AC against precision reference to assert fault flag within 2.5 µs. Use Value: 2.5 µs tPLH enables response before next half-cycle (8.3 ms @ 60 Hz), preventing catastrophic overvoltage damage. |
| Programmable Logic Controller Input | Low-Power Sensor Interface |
|
Use Scenario: Converting 4–20 mA current-loop signals into digital on/off states for discrete I/O modules. IC Role / Device Role / Timing Role: One comparator digitizes current-derived voltage; second validates loop integrity via open-wire detection. Use Value: Open-drain outputs interface directly to 24 V PLC backplane logic; 65 µA max IDD enables dense channel packing without thermal derating. |
Use Scenario: Thresholding thermistor or RTD bridge outputs in wireless environmental sensors powered by coin cells. IC Role / Device Role / Timing Role: Comparator triggers wake-up interrupt when temperature crosses preset limit, minimizing MCU active time. Use Value: 0.6 nA max input bias current prevents loading of high-Z sensor bridges, preserving measurement accuracy without calibration drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual micropower comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM393DR | Higher supply current (500 µA typ), wider offset (±7 mV), no guaranteed operation above 85°C. | Limited to commercial/industrial ambient (0°C to 70°C); unsuitable for under-hood or high-temp enclosures. | Select LM393DR only for cost-sensitive, non-extended-temp designs where 5× higher power is acceptable. |
| TLC3702CDR | Push-pull outputs (no external pull-up needed), faster tPLH (1.5 µs), but higher IDD (120 µA typ) and narrower temp range (0°C to 70°C). | Eliminates pull-up resistors but increases quiescent power - better for speed-critical, board-space-constrained 5 V systems. | Choose TLC3702CDR when output drive simplicity outweighs power budget constraints and temperature requirements are moderate. |
Compared with LM393DR and TLC3702CDR, the TLC393IDRG4 uniquely balances ultra-low power (22 µA), extended temperature rating (−40°C to 125°C), and open-drain flexibility - making it optimal for battery-operated industrial edge nodes requiring long-term reliability under thermal stress.
Availability
TLC393IDRG4 is available at Aetrix Electronics and suitable for battery-powered sensor nodes, industrial power supervisors, and automotive body-control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLC393IDRG4 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 analog ICs and industrial-grade components.
The TLC393IDRG4 belongs to TI's LinCMOS™ comparator family, engineered specifically for ultra-low-power, high-accuracy voltage comparison in harsh environments - targeting industrial automation, automotive subsystems, and energy-efficient IoT endpoints.
FAQ
What is the operating temperature range of the TLC393IDRG4?
The TLC393IDRG4 is characterized for operation from −40°C to 125°C, meeting extended industrial and automotive under-hood requirements. This rating is explicitly confirmed in the "recommended operating conditions" table for the TLC393I grade, and the D package marking "C393C" corresponds to the TLC393I temperature variant per TI's packaging addendum.
Does the TLC393IDRG4 require external pull-up resistors on its outputs?
Yes, the TLC393IDRG4 features open-drain CMOS outputs (OUT1 and OUT2), which require external pull-up resistors to define the high-state voltage level. The datasheet specifies a maximum sink current of 20 mA per output, and typical designs use 5.1 kΩ pull-ups to VDD or another logic rail - enabling interoperability with TTL, CMOS, or mixed-voltage systems.
How does the input offset voltage of the TLC393IDRG4 compare to the LM393?
The TLC393IDRG4 has a maximum input offset voltage of 7 mV over −40°C to 85°C, versus ±7 mV (14 mV total span) for the LM393. Additionally, the TLC393IDRG4 uses LinCMOS™ technology to maintain stable offset under differential input stress, whereas the LM393's bipolar architecture exhibits greater drift - making the TLC393IDRG4 more suitable for precision thresholding in varying conditions.
Can the TLC393IDRG4 operate from a 3.3 V supply?
Yes, the TLC393IDRG4 supports supply voltages from 3 V to 16 V, including 3.3 V nominal rails. At 3.3 V, its common-mode input range remains 0 V to 1.8 V (VDD − 1.5 V), and key parameters like supply current (22–65 µA) and propagation delay (≤3.6 µs at 2-mV overdrive) remain valid - enabling direct integration into modern low-voltage microcontroller systems.
Is the TLC393IDRG4 pin-compatible with other SOIC-8 dual comparators?
The TLC393IDRG4 follows the industry-standard SOIC-8 pinout for dual comparators (OUT1, IN1−, IN1+, GND, VDD, OUT2, IN2−, IN2+), matching LM393, TLC3702, and TLV3702 pin-for-pin. However, functional differences exist - such as open-drain vs push-pull outputs - so schematic review is required before substitution, even when footprint compatibility is confirmed.
TLC393IDRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- LinCMOS™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- MOS, Open-Drain
- Voltage - Supply, Single/Dual (±):
- 3V ~ 16V
- :
- 5mV @ 10V
- Voltage - Input Offset (Max):
- 5pA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 65µA
- Current - Quiescent (Max):
- 84dB CMRR
- CMRR, PSRR (Typ):
- 4.5µs
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-SOIC
TLC393IDRG4 FAQ
1.How can I place an order for TLC393IDRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC393IDRG4 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 TLC393IDRG4 reliable?
The price and inventory of TLC393IDRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC393IDRG4 is usually 5 days.
3.What payment methods are accepted for TLC393IDRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC393IDRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC393IDRG4?
TLC393IDRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC393IDRG4 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 TLC393IDRG4?
For technical support, including TLC393IDRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC393IDRG4 requirements.
6.How does Aetrix verify that TLC393IDRG4 is sourced from the original manufacturer or authorized distributors?
All TLC393IDRG4 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 TLC393IDRG4 meets industry standards.
7.What is the process for return or replacement of TLC393IDRG4?
All TLC393IDRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLC393IDRG4, 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 TLC393IDRG4 part is unused and in its original packaging.
Return procedure for TLC393IDRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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