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Texas Instruments TLV3402IDGKR
- Part No.:
- TLV3402IDGKR
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TLV3402IDGKR.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:7,748
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Product details
Overview
TLV3402IDGKR from Texas Instruments is a dual-channel nanopower open-drain comparator with 470 nA per channel supply current, rail-to-rail input range (–0.1 V to VCC + 5 V), and operation across 2.5 V to 16 V supply. It delivers ultra-low quiescent power for battery-critical signal threshold detection in portable medical devices and wireless security sensors.
For engineers reviewing the TLV3402IDGKR datasheet, TLV3402IDGKR pinout, TLV3402IDGKR application, or TLV3402IDGKR equivalent, key selection criteria include its industrial-grade temperature range (–40°C to +125°C), VSSOP-8 package footprint, open-drain CMOS output stage, and reverse battery protection up to 18 V.
Technical Context
The TLV3402IDGKR implements a precision comparator core with input offset voltage of 250 µV (typ), 55–88 dB common-mode rejection ratio depending on supply voltage, and differential input resistance of 300 MΩ. Its architecture supports single-supply operation down to 2.5 V while maintaining input common-mode extension beyond VCC.
Propagation delay is overdrive-dependent: 55 µs (low-to-high) and 30 µs (high-to-low) at 50 mV overdrive with 10 pF load and 1 MΩ pull-up. Output fall time is 5 µs under same conditions, and low-level output voltage remains ≤80 mV at 50 µA sink current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 470 nA per channel - enables multi-year battery life in always-on sensing nodes |
| Input Common-Mode Range | –0.1 V to VCC + 5 V - supports high-side voltage monitoring without level-shifting |
| Supply Voltage Range | 2.5 V to 16 V - compatible with single Li-ion, dual AA, or industrial 12 V rails |
| Input Offset Voltage | 250 µV (typ) - ensures accurate threshold detection at sub-millivolt levels |
| Propagation Delay | 55 µs (tPLH) / 30 µs (tPHL) at 50 mV overdrive - balances speed and nanopower trade-off |
| Output Type | Open-drain CMOS - allows wired-OR logic, flexible pull-up voltage selection, and I²C bus compatibility |
| Operating Temperature | –40°C to +125°C - qualified for automotive cabin, industrial control, and outdoor sensor environments |
Pinout & Package
The TLV3402IDGKR is housed in an 8-pin VSSOP (DGK) package measuring 3.00 mm × 3.00 mm, optimized for space-constrained PCB layouts and thermal performance (RθJA = 186.8°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Open-drain output for channel 1 - requires external pull-up; sinks up to 10 mA |
| 2 | 1IN– | Inverting input for channel 1 - accepts signals up to VCC + 5 V without damage |
| 3 | 1IN+ | Noninverting input for channel 1 - supports rail-to-rail common-mode range |
| 4 | GND | Analog ground reference - must connect to low-impedance system ground plane |
| 5 | 2IN+ | Noninverting input for channel 2 - electrically isolated from channel 1 inputs |
| 6 | 2IN– | Inverting input for channel 2 - supports independent threshold comparison |
| 7 | 2OUT | Open-drain output for channel 2 - independently controllable; no cross-talk with CH1 |
| 8 | VCC | Positive supply pin - decoupling capacitor (0.01 µF ceramic + 10 µF electrolytic) required |
Key Features
| Feature | Design Value |
|---|---|
| Nanopower operation | 470 nA per channel enables >10-year battery life in coin-cell-powered IoT endpoints |
| Reverse battery protection | Withstands –18 V on VCC relative to GND - prevents latch-up during incorrect battery insertion |
| Extended input common-mode range | –0.1 V to VCC + 5 V allows direct high-side sensing in 12 V automotive systems |
| Industrial temperature grade | –40°C to +125°C operation certified per TI's I-suffix qualification - no derating needed |
| ESD robustness | ±2000 V HBM and ±1500 V CDM - survives handling and board assembly without special precautions |
Applications
| Portable Medical Sensors | Wireless Security Systems |
|---|---|
|
Use Scenario: Detecting abnormal ECG lead-off or pulse oximeter saturation thresholds in battery-powered wearable monitors. IC Role / Device Role / Timing Role: Dual-channel comparator performing simultaneous analog window-comparison on two physiological signals. Use Value: 470 nA per channel current draw extends CR2032 battery life to >3 years while maintaining sub-millivolt detection accuracy. |
Use Scenario: Monitoring door/window contact status and motion sensor triggers in Z-Wave or Zigbee security hubs. IC Role / Device Role / Timing Role: Low-power voltage threshold detector converting mechanical switch closures into digital logic events. Use Value: Open-drain outputs enable direct interface with microcontroller GPIO pins configured as interrupt inputs with internal pull-ups. |
| Remote Control Receivers | Ultra-Low Power Data Loggers |
|
Use Scenario: Validating IR carrier presence and demodulating command pulses in solar-powered remote receivers. IC Role / Device Role / Timing Role: High-speed comparator capturing 38 kHz IR burst envelopes with minimal propagation delay variation. Use Value: 55 µs tPLH at 50 mV overdrive ensures reliable pulse edge detection even under weak signal conditions. |
Use Scenario: Triggering wake-up of an MCU from deep sleep when environmental sensor output exceeds preset limits. IC Role / Device Role / Timing Role: Always-on threshold monitor enabling event-driven sampling instead of periodic polling. Use Value: Reverse battery protection and –0.1 V input capability allow direct connection to thermistor or photodiode bridges without biasing circuitry. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV3402IDR | Same electrical specs but in SOIC-8 (4.90 mm × 3.91 mm); RθJA = 201.9°C/W vs 186.8°C/W for DGK | Preferred for through-hole prototyping or higher thermal mass boards; less compact than VSSOP | Select TLV3402IDR if board layout accommodates larger footprint and requires easier hand-soldering or test probing |
| TLV7032DR | Higher supply current (600 nA/ch), wider VCC range (1.6 V to 6.5 V), rail-to-rail output (not open-drain) | Better suited for low-voltage 1.8 V/3.3 V logic domains; lacks reverse-battery protection and VCC+5 V input range | Choose TLV7032DR only when operating below 2.5 V or requiring push-pull output drive without external pull-up |
Compared with TLV3402IDR and TLV7032DR, the TLV3402IDGKR uniquely combines VSSOP-8 miniaturization, 470 nA ultra-low power, extended input range, and reverse-battery tolerance - making it optimal for space- and energy-constrained industrial sensor nodes.
Availability
TLV3402IDGKR is available at Aetrix Electronics and suitable for portable medical equipment, wireless security systems, and ultra-low power data loggers requiring stable component supply across long production lifecycles.
Supply support for TLV3402IDGKR 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 delivering analog and embedded processing solutions, with over 50 years of innovation in precision signal conditioning and low-power design.
The TLV340x family was engineered specifically for battery-operated sensing applications demanding nanoscale quiescent current without sacrificing input voltage range or temperature robustness.
FAQ
What is the maximum supply voltage rating for TLV3402IDGKR?
The absolute maximum supply voltage for TLV3402IDGKR is 17 V, though recommended operation is limited to 2.5 V–16 V. Exceeding 17 V risks permanent damage per TI's Absolute Maximum Ratings table. The device also features reverse battery protection up to –18 V on VCC relative to GND, making TLV3402IDGKR suitable for harsh deployment environments where power polarity errors may occur.
Does TLV3402IDGKR support rail-to-rail input operation?
Yes, TLV3402IDGKR supports a true rail-to-rail input common-mode range from –0.1 V to VCC + 5 V. This allows direct interfacing with signals exceeding the positive supply rail-such as high-side current-sense amplifier outputs-without external level-shifting circuitry. The specification is validated across the full –40°C to +125°C temperature range and applies to both channels independently.
Can TLV3402IDGKR drive an LED directly?
No, TLV3402IDGKR cannot drive an LED directly because its open-drain output is designed for logic-level sinking only-not voltage sourcing. It can sink up to 10 mA, but requires an external pull-up resistor and current-limiting series resistor to interface with an LED. For direct LED drive, a dedicated LED driver IC or discrete transistor stage is required; TLV3402IDGKR serves best as a low-power decision element upstream of such drivers.
What is the typical input offset voltage of TLV3402IDGKR and how does it vary with temperature?
The typical input offset voltage of TLV3402IDGKR is 250 µV at 25°C, with a maximum of 4400 µV over the full –40°C to +125°C range. Its offset drift is specified at 3 µV/°C, meaning total drift across the industrial temperature range contributes approximately ±375 µV. This stability makes TLV3402IDGKR appropriate for precision threshold detection in applications like battery voltage monitoring or sensor fault detection.
Is TLV3402IDGKR pin-compatible with other members of the TLV340x family?
TLV3402IDGKR shares identical pin functions with TLV3402IDR (SOIC-8) and TLV3402IPW (TSSOP-8), but is not pin-compatible with single-channel TLV3401 or quad-channel TLV3404 variants due to differing channel count and pin assignments. All TLV3402 variants use the same 8-pin configuration: 1OUT, 1IN–, 1IN+, GND, 2IN+, 2IN–, 2OUT, VCC - confirmed in TI's Pin Functions table for TLV3402.
TLV3402IDGKR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- CMOS, Open-Drain
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 16V, ±1.35V ~ 8V
- :
- 3.6mV @ 15V
- Voltage - Input Offset (Max):
- 250pA @ 15V
- Current - Input Bias (Max):
- 10mA
- Current - Output (Typ):
- 950nA
- Current - Quiescent (Max):
- 88dB CMRR, 105dB PSRR
- CMRR, PSRR (Typ):
- 300µs
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-VSSOP
TLV3402IDGKR FAQ
1.How can I place an order for TLV3402IDGKR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV3402IDGKR 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 TLV3402IDGKR reliable?
The price and inventory of TLV3402IDGKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV3402IDGKR is usually 5 days.
3.What payment methods are accepted for TLV3402IDGKR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV3402IDGKR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV3402IDGKR?
TLV3402IDGKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV3402IDGKR 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 TLV3402IDGKR?
For technical support, including TLV3402IDGKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV3402IDGKR requirements.
6.How does Aetrix verify that TLV3402IDGKR is sourced from the original manufacturer or authorized distributors?
All TLV3402IDGKR 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 TLV3402IDGKR meets industry standards.
7.What is the process for return or replacement of TLV3402IDGKR?
All TLV3402IDGKR units undergo pre-shipment inspection (PSI). If there is an issue with TLV3402IDGKR, 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 TLV3402IDGKR part is unused and in its original packaging.
Return procedure for TLV3402IDGKR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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