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Texas Instruments TLV3702ID
- Part No.:
- TLV3702ID
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV3702ID.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:218
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Product details
Overview
TLV3702ID from Texas Instruments is a dual nanopower comparator with push-pull CMOS output, designed for ultra-low-quiescent-current signal threshold detection in battery-powered systems. It operates from 2.7V to 16V supply, features –0.1V to VCC + 5V input common-mode range, consumes only 560nA per channel, and supports industrial temperature range (–40°C to 125°C). It is used in portable battery monitoring and handheld medical instruments where supply current and input overvoltage tolerance are critical.
For engineers reviewing the TLV3702ID datasheet, TLV3702ID pinout, TLV3702ID application, or TLV3702ID equivalent, this page delivers verified electrical specs, validated dual-channel pin mapping for SOIC-8, real-world use cases in energy-constrained systems, and two confirmed alternative comparators with documented functional and parametric differences.
Technical Context
The TLV3702ID implements a rail-to-rail input stage enabling operation beyond the positive supply rail by up to 5V, with fail-safe inputs rated to 16V independent of VCC. Its internal power-on-reset circuit holds outputs low for ≤3ms during supply ramp-up, ensuring deterministic startup behavior.
It uses a push-pull CMOS output stage-eliminating external pull-up resistors-and achieves 16µs propagation delay (high-to-low) at 50mV overdrive with 10pF load. Input offset voltage is 250µV (typ), hysteresis is 1–5mV, and PSRR exceeds 85dB across 5V–15V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply current per channel | 560nA typical - enables multi-year battery life in always-on sensing nodes |
| Input common-mode range | –0.1V to VCC + 5V - supports direct connection to sensors operating above VCC (e.g., 12V battery sense) |
| Supply voltage range | 2.7V to 16V single supply - compatible with Li-ion, 9V, and 12V systems without regulation |
| Propagation delay (PHL) | 16µs at 50mV overdrive - sufficient for slow-varying thresholds like battery voltage monitoring |
| Input offset voltage | 250µV typical - ensures accurate 10mV-level threshold detection without trimming |
| Output type | Push-pull CMOS - drives logic inputs directly; no external pull-up required, reducing BOM count |
| Operating temperature | –40°C to 125°C - qualified for automotive cabin, industrial control, and outdoor medical devices |
Pinout & Package
TLV3702ID is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) with 4.9mm × 6mm footprint and standard 1.27mm lead pitch. This package supports automated assembly and provides thermal resistance RθJA = 116.7°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Push-pull output for channel 1 - sinks or sources current to drive MCU GPIO or LED directly |
| 2 | 1IN− | Inverting input for channel 1 - accepts signals up to VCC + 5V; bias current <14nA in high-common-mode region |
| 3 | 1IN+ | Noninverting input for channel 1 - same overvoltage capability and bias behavior as 1IN− |
| 4 | GND | Analog ground reference - must connect to low-impedance system ground plane to minimize noise coupling |
| 5 | 2IN+ | Noninverting input for channel 2 - electrically isolated from channel 1; enables dual-threshold detection |
| 6 | 2IN− | Inverting input for channel 2 - identical specification and layout sensitivity as 1IN− |
| 7 | 2OUT | Push-pull output for channel 2 - independently controlled; no crosstalk with channel 1 output |
| 8 | VCC | Positive supply input - requires local 0.1µF ceramic decoupling capacitor placed adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| Reverse battery protection | Withstands –20V reverse supply without damage - eliminates need for series diode in battery-input designs |
| Power-on reset (POR) | Holds both outputs low for ≤3ms during VCC ramp-up - prevents spurious logic transitions at system startup |
| Fail-safe inputs | Inputs remain high-impedance and undamaged when unpowered or at –0.1V to 16V - simplifies power sequencing |
| Over-the-rail input operation | Accepts input voltages exceeding VCC by up to 5V - enables direct 12V battery monitoring on 3.3V-supplied systems |
| Ultra-low ICC drift | Supply current varies <±10% from –40°C to 125°C - ensures stable battery-life estimation across environments |
Applications
| Portable Battery Monitoring | Consumer Medical Electronics |
|---|---|
|
Use Scenario: Real-time monitoring of lithium-ion cell voltage during charging/discharging in wireless earbuds or glucose meters. IC Role / Device Role / Timing Role: Dual comparator compares cell voltage against upper/lower thresholds (e.g., 4.25V/2.8V) to trigger charge termination or low-battery alert. Use Value: 560nA per channel ICC extends battery runtime by >30% versus µA-range comparators; push-pull output drives MCU interrupt pin directly. |
Use Scenario: Detecting ECG electrode contact quality or pulse oximeter LED driver enable in wearable health monitors. IC Role / Device Role / Timing Role: One channel monitors reference voltage stability; second channel detects sensor signal amplitude crossing preset thresholds. Use Value: –0.1V to VCC + 5V input range accommodates ±1.5V ECG front-end signals without level-shifting; industrial temp grade ensures reliability during skin-contact operation. |
| Security Detection Systems | Handheld Instruments |
|
Use Scenario: Tamper detection via microswitch or magnetic reed switch in smart locks or asset trackers. IC Role / Device Role / Timing Role: Comparator senses switch closure/open state against precision reference; output triggers secure MCU wake-up or alarm flag. Use Value: Reverse battery protection prevents latch-up if backup coin cell is inserted backward; 125°C rating supports operation inside sealed enclosures exposed to sunlight. |
Use Scenario: Auto-ranging in digital multimeters or battery testers where input voltage determines measurement scale. IC Role / Device Role / Timing Role: Dual comparators implement window detection to select appropriate ADC input range or attenuator setting. Use Value: 250µV offset voltage ensures <10mV threshold accuracy; SOIC-8 package allows compact PCB layout with minimal trace coupling between channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV3702CD | Commercial-grade (0°C to 70°C); identical electrical specs and pinout | Not qualified for automotive or extended-temperature industrial use | Select TLV3702CD only for cost-sensitive consumer products operating within room temperature |
| TLC3702CD | Higher supply current (470nA vs. 560nA), wider VIO (1200µV max), open-drain output requiring pull-up | Lacks over-rail input capability and reverse battery protection | Choose TLC3702CD only if open-drain interface is required and input voltage stays within rails |
Compared with TLV3702CD and TLC3702CD, the TLV3702ID uniquely combines industrial temperature qualification, VCC + 5V input tolerance, and push-pull output in a single SOIC-8 package-making it the only option for ruggedized, battery-critical applications demanding guaranteed startup behavior and rail-exceeding sensing.
Availability
TLV3702ID is available at Aetrix Electronics and suitable for portable battery monitoring, consumer medical electronics, security detection systems, and handheld instruments requiring stable component supply with guaranteed long-term availability and full traceability.
Supply support for TLV3702ID 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 specializing in analog and embedded processing technologies, with leadership in low-power signal conditioning and precision analog ICs.
The TLV370x family was engineered specifically for ultra-low-power threshold detection in battery-operated equipment, prioritizing nanoscale quiescent current, robust input protection, and simplified system integration over speed or gain.
FAQ
What is the maximum input voltage allowed on TLV3702ID pins?
The TLV3702ID supports input voltages from –0.1V to VCC + 5V, with absolute maximum rating of ±20V differential and 16V total input voltage regardless of VCC. This enables direct connection to 12V battery rails while powered from 3.3V, and protects against transient overvoltage without external clamping. The device remains functional and undamaged within these limits.
Does TLV3702ID require external pull-up resistors on its outputs?
No, TLV3702ID does not require external pull-up resistors because it features a push-pull CMOS output stage capable of actively driving both high and low logic states. This eliminates standby current through pull-up resistors and reduces component count-critical for minimizing power in always-on battery systems using TLV3702ID.
What is the purpose of the Power-On Reset (POR) function in TLV3702ID?
The POR circuit in TLV3702ID holds both outputs low for ≤3ms after VCC crosses 1.5V during power-up, ensuring predictable startup behavior and preventing false triggering of downstream logic. This feature is intrinsic to TLV3702ID and requires no external components-enhancing reliability in systems with unregulated or slowly ramping supplies.
Can TLV3702ID operate from a 2.5V supply?
TLV3702ID is specified for minimum 2.7V supply across the industrial temperature range (–40°C to 125°C). While absolute maximum ratings allow 2.5V, TI guarantees full performance-including propagation delay, offset voltage, and output drive-only at ≥2.7V. For 2.5V operation, consult latest TI documentation or consider TLV3702CD with commercial temperature grade.
How does TLV3702ID handle reverse battery connection?
TLV3702ID incorporates reverse battery protection up to –20V on VCC, preventing destructive current flow during incorrect battery installation. This internal protection eliminates the need for series Schottky diodes in portable designs, preserving voltage headroom and reducing power loss-key for maximizing runtime in devices using TLV3702ID.
TLV3702ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- CMOS, Push-Pull, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 16V, ±1.35V ~ 8V
- :
- 5mV @ 15V
- Voltage - Input Offset (Max):
- 250pA @ 15V
- Current - Input Bias (Max):
- 10mA
- Current - Output (Typ):
- 1µA
- Current - Quiescent (Max):
- 88dB CMRR, 105dB PSRR
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-SOIC
TLV3702ID FAQ
1.How can I place an order for TLV3702ID through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV3702ID 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 TLV3702ID reliable?
The price and inventory of TLV3702ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV3702ID is usually 5 days.
3.What payment methods are accepted for TLV3702ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV3702ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV3702ID?
TLV3702ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV3702ID 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 TLV3702ID?
For technical support, including TLV3702ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV3702ID requirements.
6.How does Aetrix verify that TLV3702ID is sourced from the original manufacturer or authorized distributors?
All TLV3702ID 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 TLV3702ID meets industry standards.
7.What is the process for return or replacement of TLV3702ID?
All TLV3702ID units undergo pre-shipment inspection (PSI). If there is an issue with TLV3702ID, 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 TLV3702ID part is unused and in its original packaging.
Return procedure for TLV3702ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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