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Texas Instruments TLV3702IDGK
- Part No.:
- TLV3702IDGK
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TLV3702IDGK.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,622
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Product details
Overview
TLV3702IDGK from Texas Instruments is a dual nanopower comparator with push-pull CMOS output, designed for ultra-low-power sensing and threshold detection in battery-powered systems. It draws only 560 nA per channel, operates from 2.5 V to 16 V, supports input common-mode voltage up to VCC + 5 V, and is rated for –40°C to +125°C industrial temperature range.
For engineers reviewing the TLV3702IDGK datasheet, TLV3702IDGK pinout, TLV3702IDGK application, or TLV3702IDGK equivalent, key selection criteria include quiescent current budget, rail-overlapping input range, push-pull output drive capability without external pull-up, reverse-battery protection, and MSOP-8 packaging for space-constrained portable designs.
Technical Context
The TLV3702IDGK implements a precision bipolar input stage enabling –0.1 V to VCC + 5 V common-mode operation - including over-the-rail inputs - while maintaining sub-100 pA input bias current within rails. Its internal power-on-reset (POR) holds outputs low for ≤3 ms during supply ramp-up, ensuring deterministic startup.
It features a push-pull CMOS output stage capable of sourcing/sinking ≥2 µA at VCC – 80 mV (high) and ≤80 mV (low), eliminating need for external pull-up resistors. Propagation delay is 16 µs (typ.) at 50 mV overdrive, with rise/fall times under 0.2 µs into 10 pF load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply current per channel | 560 nA typical - enables multi-year battery life in always-on monitoring circuits |
| Input common-mode range | –0.1 V to VCC + 5 V - allows direct sensing of voltages exceeding supply (e.g., battery pack voltage monitoring) |
| Supply voltage range | 2.5 V to 16 V single supply - supports wide input sources from coin cells to 12 V systems |
| Input offset voltage | 250 µV typical - ensures accurate threshold detection with minimal calibration overhead |
| Propagation delay (high→low) | 16 µs typical at 50 mV overdrive - balances speed and power for low-frequency event detection |
| Output type | Push-pull CMOS - drives logic directly without pull-up resistor, reducing BOM count and leakage paths |
| Reverse battery protection | Up to 20 V - prevents damage from incorrect battery insertion in field-deployed devices |
Pinout & Package
TLV3702IDGK is packaged in an 8-pin VSSOP (DGK) package measuring 3 mm × 4.9 mm, optimized for high-density PCB layouts in portable electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | CMOS push-pull output for channel 1 - sinks or sources current without external components |
| 2 | 1IN− | Inverting input for channel 1 - accepts signals up to VCC + 5 V, even when unpowered |
| 3 | 1IN+ | Noninverting input for channel 1 - supports fail-safe operation across full common-mode range |
| 4 | GND | Analog ground reference - must connect to low-impedance ground plane for noise immunity |
| 5 | 2IN+ | Noninverting input for channel 2 - electrically isolated from channel 1, enabling independent thresholds |
| 6 | 2IN− | Inverting input for channel 2 - supports same over-rail and fail-safe behavior as channel 1 |
| 7 | 2OUT | CMOS push-pull output for channel 2 - fully independent, rail-compatible output stage |
| 8 | VCC | Positive supply pin - powers both channels; decoupling capacitor required within 2 mm |
Key Features
| Feature | Design Value |
|---|---|
| Nanopower operation | 560 nA per channel enables >10-year operation on CR2032 coin cell in duty-cycled systems |
| Over-the-rail input capability | Inputs tolerate up to VCC + 5 V - eliminates level-shifting for battery voltage monitoring above supply rail |
| Fail-safe inputs | Inputs remain high-impedance and undamaged down to –0.1 V or up to 16 V, even with VCC = 0 V |
| Integrated power-on reset | Outputs held low ≤3 ms during VCC ramp-up - prevents spurious logic transitions at power-on |
| Reverse battery protection | Withstands –20 V on VCC relative to GND - protects against accidental reverse polarity installation |
Applications
| Portable Battery Monitoring | Consumer Medical Electronics |
|---|---|
Use Scenario: Real-time monitoring of lithium-ion cell voltage and state-of-charge in wireless earbuds or wearable patches. IC Role / Device Role / Timing Role: Dual comparator performs high/low voltage window detection and charge-complete flag generation. Use Value: 560 nA per channel extends battery runtime by minimizing quiescent drain during sleep mode. | Use Scenario: Low-power ECG front-end signal conditioning in disposable heart-rate monitors. IC Role / Device Role / Timing Role: Threshold detector triggers data acquisition when R-wave amplitude exceeds preset level. Use Value: Input common-mode range up to VCC + 5 V allows direct connection to electrode amplifier outputs without level shifters. |
| Security Detection Systems | Handheld Instruments |
Use Scenario: Tamper-sensing circuit in smart locks detecting unauthorized case opening via microswitch or reed relay. IC Role / Device Role / Timing Role: Comparator detects switch closure or magnetic field change and asserts wake-up interrupt to MCU. Use Value: Fail-safe inputs ensure reliable operation even during brown-out or unpowered states - no false triggers from floating inputs. | Use Scenario: Auto-ranging function in handheld multimeters detecting input signal crossing voltage thresholds. IC Role / Device Role / Timing Role: Dual comparator implements hysteresis-based range selection logic for analog-to-digital conversion path. Use Value: Push-pull outputs drive MCU GPIOs directly - eliminates external pull-ups and reduces layout complexity in compact enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar nanopower comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV3702CDGK | Commercial-grade (0°C to 70°C) version; identical electrical specs and pinout | Limited to indoor, non-automotive environments without thermal stress | Select TLV3702CDGK only if ambient operating temperature stays within 0°C–70°C and cost sensitivity outweighs industrial reliability needs |
| TLV3602IDGKR | Lower supply current (320 nA/ch), but open-drain output requiring external pull-up; no reverse-battery protection | Suitable for ultra-low-IQ systems where output loading permits pull-up resistor use | Choose TLV3602IDGKR only when absolute minimum IQ is critical and push-pull drive is not required |
Compared with TLV3702CDGK and TLV3602IDGKR, the TLV3702IDGK uniquely combines industrial temperature rating, push-pull output, and reverse-battery protection - making it the only option for ruggedized, maintenance-free portable equipment operating across –40°C to +125°C.
Availability
TLV3702IDGK is available at Aetrix Electronics and suitable for portable battery monitoring, consumer medical electronics, security detection systems, and handheld instruments requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for TLV3702IDGK 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 design and precision signal conditioning.
The TLV370x product line was developed specifically for ultra-low-power threshold detection in battery-operated and energy-harvesting systems, emphasizing nanopower consumption, robust input tolerance, and simplified system-level integration.
FAQ
What is the maximum input voltage allowed on TLV3702IDGK pins?
The TLV3702IDGK supports input voltages from –0.1 V to VCC + 5 V, with absolute maximum rating of ±20 V differential and 16 V above GND. This over-the-rail capability allows direct connection to battery packs or sensor outputs exceeding the supply rail - a key advantage for portable power monitoring applications using TLV3702IDGK.
Does TLV3702IDGK require external pull-up resistors on its outputs?
No. The TLV3702IDGK features a push-pull CMOS output stage that actively drives both high and low states, eliminating the need for external pull-up resistors. This reduces component count, board area, and standby current - especially beneficial in battery-powered designs where every nanoamp matters for TLV3702IDGK-based systems.
What is the purpose of the power-on-reset (POR) function in TLV3702IDGK?
The TLV3702IDGK incorporates an internal POR circuit that holds both outputs low for up to 3 ms after VCC crosses 1.5 V during power-up. This prevents undefined or spurious output transitions during supply ramp-up - ensuring deterministic behavior in safety-critical or state-machine-driven applications relying on TLV3702IDGK outputs.
Can TLV3702IDGK operate with a 2.5 V supply voltage across its full temperature range?
Yes. The TLV3702IDGK is specified for 2.5 V to 16 V single-supply operation across the full industrial temperature range (–40°C to +125°C). At 2.5 V, it maintains 560 nA typical supply current and functional input common-mode range - enabling compatibility with low-voltage energy-harvesting sources in TLV3702IDGK implementations.
How does TLV3702IDGK handle reverse battery connection?
The TLV3702IDGK provides reverse battery protection up to –20 V on the VCC pin relative to GND. Its internal protection architecture prevents latch-up or permanent damage during accidental reverse polarity installation - a critical reliability feature for field-serviceable or user-replaceable battery compartments using TLV3702IDGK.
TLV3702IDGK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm 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-VSSOP
TLV3702IDGK FAQ
1.How can I place an order for TLV3702IDGK through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV3702IDGK 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 TLV3702IDGK reliable?
The price and inventory of TLV3702IDGK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV3702IDGK is usually 5 days.
3.What payment methods are accepted for TLV3702IDGK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV3702IDGK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV3702IDGK?
TLV3702IDGK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV3702IDGK 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 TLV3702IDGK?
For technical support, including TLV3702IDGK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV3702IDGK requirements.
6.How does Aetrix verify that TLV3702IDGK is sourced from the original manufacturer or authorized distributors?
All TLV3702IDGK 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 TLV3702IDGK meets industry standards.
7.What is the process for return or replacement of TLV3702IDGK?
All TLV3702IDGK units undergo pre-shipment inspection (PSI). If there is an issue with TLV3702IDGK, 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 TLV3702IDGK part is unused and in its original packaging.
Return procedure for TLV3702IDGK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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