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Texas Instruments TLC3702CPWR
- Part No.:
- TLC3702CPWR
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLC3702CPWR.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:11,967
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Product details
Overview
TLC3702CPWR from Texas Instruments is a dual micropower LinCMOS™ voltage comparator with push-pull CMOS outputs, 100 μW typical supply power at 5 V, 2.7 μs typical propagation delay (tPLH) with 5-mV overdrive, and single-supply operation from 3 V to 16 V. It replaces LM339 in low-power sensing and threshold-detection circuits where board space and energy efficiency are critical.
For engineers reviewing the TLC3702CPWR datasheet, TLC3702CPWR pinout, TLC3702CPWR application, or TLC3702CPWR equivalent, this device delivers verified micropower performance, rail-to-rail input compatibility, TTL/CMOS output interoperability, and ESD-protected inputs - key selection criteria for battery-powered instrumentation, industrial monitoring, and precision analog front-ends.
Technical Context
The TLC3702CPWR integrates two independent comparators on a LinCMOS™ process, enabling stable input offset voltage (≤5 mV max at 25°C) and ultra-low input bias current (≤5 pA typ at 25°C) across its 0°C to 70°C commercial temperature range. Its push-pull output stage eliminates external pullup resistors while delivering ±8 mA drive capability and full TTL compatibility.
This variant uses the P package (plastic DIP), features no internal connections on pins 3, 4, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, and 20, and supports capacitive loads up to 50 pF without oscillation or response degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 16 V - enables direct interface with 3.3 V, 5 V, and 12 V systems without level-shifting. |
| Typical Supply Current | 40 μA at 5 V - reduces quiescent power by 95% versus LM339, extending battery life in portable sensors. |
| Propagation Delay (tPLH) | 2.7 μs at 5-mV overdrive - supports fast edge detection in motor control feedback and overvoltage latch circuits. |
| Input Offset Voltage | ≤5 mV at 25°C - ensures accurate threshold setting in precision window comparators and zero-crossing detectors. |
| Output Drive Capability | ±8 mA - directly drives LEDs, small relays, or logic inputs without external buffers or pullups. |
| Input Bias Current | 5 pA typical at 25°C - minimizes error in high-impedance sensor interfaces (e.g., thermistors, photodiodes). |
| ESD Protection | 2000 V HBM - meets IEC 61000-4-2 Level 2 requirements for robust handling in automated assembly lines. |
Pinout & Package
Package: Plastic Dual-In-Line (P), 20-pin, through-hole mounting. Pin 1 is top-left corner when notch faces upward; pin numbering proceeds counter-clockwise.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Comparator 1 push-pull output - sinks or sources current; no external pullup required. |
| 2 | 1IN− | Inverting input of comparator 1 - accepts common-mode voltages from −0.2 V to VDD − 1.5 V. |
| 3 | 1IN+ | Non-inverting input of comparator 1 - same common-mode range as 1IN−. |
| 4 | GND | Analog ground reference - must be connected to system ground plane for stable operation. |
| 5 | VDD | Positive supply rail - powers both comparators; decoupling capacitor (0.1 μF) required near pin. |
| 6 | 2OUT | Comparator 2 push-pull output - electrically isolated from 1OUT; shares same drive specs. |
| 7 | 2IN− | Inverting input of comparator 2 - independent of comparator 1 inputs; supports differential sensing. |
| 8 | 2IN+ | Non-inverting input of comparator 2 - fully independent; enables dual-threshold or hysteresis configurations. |
| 9–20 | NC | No internal connection - floating pins; must remain unconnected per datasheet guidance. |
Key Features
| Feature | Design Value |
|---|---|
| Push-pull CMOS output | Eliminates need for external pullup resistors, saving PCB area, BOM cost, and power dissipation. |
| LinCMOS™ process technology | Delivers <5 pA input bias current and <5 mV input offset voltage - critical for high-impedance signal chains. |
| Single-supply operation | Operates from 3 V to 16 V - compatible with Li-ion, USB, and industrial 12 V rails without auxiliary supplies. |
| On-chip ESD protection | 2000 V HBM rating - prevents field failure during handling and reflow, reducing test escapes. |
| TTL/CMOS output compatibility | VOH ≥ 4.5 V and VOL ≤ 300 mV at 4 mA - ensures reliable logic-level interfacing with microcontrollers and FPGAs. |
Applications
| Battery-Powered Sensor Node | Industrial Overvoltage Protection |
|---|---|
|
Use Scenario: Detecting low-battery condition in wireless environmental monitors using a resistive divider on a 3.3 V supply. IC Role / Device Role / Timing Role: Threshold comparator generating interrupt signal when supply drops below 2.8 V. Use Value: 40 μA supply current extends operational lifetime beyond 5 years on CR2032 coin cell. |
Use Scenario: Shutting down 12 V DC bus when input exceeds 13.2 V in solar charge controllers. IC Role / Device Role / Timing Role: Fast-response comparator triggering MOSFET gate driver to disconnect load. Use Value: 2.7 μs tPLH ensures shutdown occurs before downstream components exceed safe voltage limits. |
| Medical Pulse Oximeter Front-End | Automotive Cabin Temperature Monitor |
|
Use Scenario: Discriminating red vs. infrared LED photodiode signals in analog domain prior to ADC sampling. IC Role / Device Role / Timing Role: Dual comparator performing synchronous window detection on two optical channels. Use Value: Independent inputs and matched propagation delays enable precise phase alignment between channels. |
Use Scenario: Activating HVAC fan when cabin temperature crosses 25°C threshold measured via NTC thermistor. IC Role / Device Role / Timing Role: Precision comparator with low input bias current minimizing self-heating error in high-resistance sensor networks. Use Value: 5 pA input bias current avoids >0.1°C measurement drift caused by thermistor leakage paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM393DR | Higher supply current (500 μA typ), open-collector output requiring external pullup resistor. | Less suitable for ultra-low-power designs; better for higher-speed (>1 μs) but non-critical power applications. | Select LM393DR only if legacy design reuse or cost sensitivity outweighs micropower and board-space advantages. |
| TLC3702IDR | Same die, extended industrial temperature range (−40°C to 85°C); otherwise identical electrical specs. | Required for automotive under-hood or outdoor industrial deployments where ambient exceeds 70°C. | Choose TLC3702IDR when operating environment exceeds 70°C; no layout or firmware changes needed. |
Compared with LM393DR, TLC3702CPWR reduces quiescent power by 92% and removes pullup components; compared with TLC3702IDR, it trades temperature range for lower cost in commercial-grade applications.
Availability
TLC3702CPWR is available at Aetrix Electronics and suitable for battery-powered sensor nodes, industrial overvoltage protection circuits, and medical pulse oximeter front-ends requiring stable component supply across long production lifecycles.
Supply support for TLC3702CPWR 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 over 50 years of innovation in precision analog ICs.
The TLC3702 product line targets low-power, high-accuracy voltage comparison in commercial-grade instrumentation and portable electronics, leveraging LinCMOS™ process for ultra-low input current and stable offset.
FAQ
What is the maximum operating temperature for the TLC3702CPWR?
The TLC3702CPWR is characterized for operation from 0°C to 70°C, matching the commercial temperature grade. Exceeding 70°C may cause increased input offset voltage (up to 6.5 mV over full range) and reduced reliability. For extended temperature operation, consider TLC3702IDR (−40°C to 85°C) or TLC3702MDR (−55°C to 125°C). Always verify thermal derating using the dissipation rating table in the datasheet.
Does the TLC3702CPWR require external pullup resistors on its outputs?
No, the TLC3702CPWR features push-pull CMOS outputs that actively drive high and low states without external pullup resistors. This eliminates associated power loss, board space, and component count - unlike open-collector comparators such as LM393. The output delivers VOH ≥ 4.5 V and VOL ≤ 300 mV at 4 mA load when VDD = 5 V.
Can the TLC3702CPWR operate from a 3.3 V supply?
Yes, the TLC3702CPWR supports supply voltages from 3 V to 16 V, making it fully compatible with 3.3 V systems. At 3.3 V, typical supply current remains ~40 μA, and propagation delay increases slightly to ~3.5 μs (tPLH) with 5-mV overdrive. Output swing is rail-to-rail, with VOH ≈ 3.0 V and VOL ≈ 300 mV under 4 mA load.
How does the input protection circuitry in the TLC3702CPWR handle overvoltage conditions?
The TLC3702CPWR includes patented TI ESD-protection circuitry that clamps positive transients above VDD + 0.7 V via Q1 and negative transients below GND − 0.3 V via D1. Input current is internally limited to ±5 mA. For sustained overvoltage beyond the common-mode range (e.g., VIC > VDD − 1.5 V), external current-limiting resistors are required per Figure 4 in the datasheet to prevent damage.
Is the TLC3702CPWR pin-compatible with the LM339?
No, the TLC3702CPWR is not pin-compatible with the LM339. The LM339 uses a 14-pin SOIC or DIP package with open-collector outputs and different pin assignments (e.g., VCC on pin 16, GND on pin 4). The TLC3702CPWR uses a 20-pin P package with push-pull outputs and NC pins occupying positions unused in LM339. Board redesign is required for substitution.
TLC3702CPWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Series:
- LinCMOS™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- CMOS, Push-Pull, TTL
- Voltage - Supply, Single/Dual (±):
- 3V ~ 16V
- :
- 5mV @ 10V
- Voltage - Input Offset (Max):
- 5pA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 50µA
- Current - Quiescent (Max):
- 84dB CMRR
- CMRR, PSRR (Typ):
- 4.5µs
- Propagation Delay (Max):
- -
- Hysteresis:
- 0°C ~ 70°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-TSSOP
TLC3702CPWR FAQ
1.How can I place an order for TLC3702CPWR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC3702CPWR 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 TLC3702CPWR reliable?
The price and inventory of TLC3702CPWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC3702CPWR is usually 5 days.
3.What payment methods are accepted for TLC3702CPWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC3702CPWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC3702CPWR?
TLC3702CPWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC3702CPWR 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 TLC3702CPWR?
For technical support, including TLC3702CPWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC3702CPWR requirements.
6.How does Aetrix verify that TLC3702CPWR is sourced from the original manufacturer or authorized distributors?
All TLC3702CPWR 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 TLC3702CPWR meets industry standards.
7.What is the process for return or replacement of TLC3702CPWR?
All TLC3702CPWR units undergo pre-shipment inspection (PSI). If there is an issue with TLC3702CPWR, 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 TLC3702CPWR part is unused and in its original packaging.
Return procedure for TLC3702CPWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC3702CPWR Tags
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LM2903DR
Texas Instruments
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LM339DR
Texas Instruments
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LM339PWR
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LM393DT
STMicroelectronics
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LM2901PWR
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LM2903DT
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LM393DR
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LM239DR
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LM339APWR
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LM2903P
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LM393ADR
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NCX2200GMAZ
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