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Texas Instruments LMV331M5/NOPB
- Part No.:
- LMV331M5/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LMV331M5/NOPB.pdf
- Description:
- IC COMPARATOR 1 GEN PUR SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,556
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Product details
Overview
LMV331M5/NOPB from Texas Instruments is a single, low-voltage, rail-to-ground input comparator with open-collector output, 2.7–5 V supply range, 60 µA typical supply current per channel, and 200 ns propagation delay at 5 V. It operates across −40°C to +85°C and is used in battery-powered voltage monitoring and level-shifting circuits.
For engineers reviewing the LMV331M5/NOPB datasheet, LMV331M5/NOPB pinout, LMV331M5/NOPB application, or LMV331M5/NOPB equivalent, key selection considerations include its ground-sensing input range (−0.1 V to 4.2 V at 5 V), 200 mV output saturation voltage at 4 mA sink, SC70-5/SOT-23-5 package compatibility, and open-collector wired-OR capability.
Technical Context
The LMV331M5/NOPB implements a bipolar-input, BiCMOS-output comparator architecture optimized for low-voltage operation. Its input stage supports common-mode voltages down to −0.1 V (below ground) and up to 4.2 V (at 5 V supply), enabling direct sensing of signals referenced to system ground.
It features an uncommitted NPN output transistor requiring an external pull-up resistor (1–10 kΩ), supporting wired-OR logic, TTL/CMOS interfacing, and flexible output voltage translation - all while maintaining 60 µA typical quiescent current and 200 ns propagation delay under 100 mV overdrive at 5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 5 V - enables direct use with Li-ion, 3.3 V, and 5 V systems without level shifting. |
| Input Common-Mode Range | −0.1 V to 4.2 V at 5 V supply - allows ground-referenced inputs and detection of near-rail signals. |
| Propagation Delay | 200 ns (typ) at 100 mV overdrive, 5 V - supports medium-speed threshold detection in portable timing circuits. |
| Supply Current | 60 µA (typ) per channel - reduces battery drain in always-on monitoring applications. |
| Output Saturation Voltage | 200 mV at 4 mA sink - ensures reliable low-state logic recognition when driving 3.3 V CMOS loads. |
| Input Offset Voltage | 1.7–7 mV (typ) - supports accurate threshold comparison in precision voltage-detection designs. |
| ESD Rating (HBM) | ±800 V - meets standard handling requirements for consumer electronics assembly. |
Pinout & Package
LMV331M5/NOPB is housed in a 5-pin SC70 package (2.00 mm × 1.25 mm) - the smallest footprint option among TI's LMV33x-N series, approximately half the area of SOT-23-5.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (+IN) | Noninverting Input | Accepts analog signal to be compared against reference; supports common-mode down to −0.1 V. |
| 2 (V−) | Negative Supply | Ground connection in single-supply operation; must be tied to system GND. |
| 3 (−IN) | Inverting Input | Receives reference voltage or feedback signal; same input range as +IN. |
| 4 (OUT) | Open-Collector Output | Sinks current only; requires external pull-up to define HIGH level and enable wired-OR logic. |
| 5 (V+) | Positive Supply | Connects to 2.7–5 V rail; powers internal circuitry and defines upper output voltage limit via pull-up. |
Key Features
| Feature | Design Value |
|---|---|
| Ground-Sensing Input Stage | Common-mode range includes −0.1 V below ground - enables direct interface with 0 V–referenced sensors and DAC outputs. |
| Ultra-Low Quiescent Current | 60 µA typical at 5 V - extends battery life in portable devices operating continuously for weeks. |
| Fast Propagation Response | 200 ns at 100 mV overdrive - suitable for pulse-width detection and oscillator feedback loops up to ~1 MHz. |
| Open-Collector Output | Supports wired-OR, level translation, and direct TTL/CMOS drive with user-selectable pull-up voltage ≤ V+. |
| Small Outline Packaging | SC70-5 (2.00 mm × 1.25 mm) - saves PCB area in space-constrained wearables and sensor nodes. |
Applications
| Battery Voltage Monitor | Level-Shifting Interface |
|---|---|
|
Use Scenario: Detecting low-battery condition in Bluetooth earbuds using a resistive divider from 3.7 V Li-ion cell. IC Role / Device Role / Timing Role: Single comparator comparing divided battery voltage against 1.2 V reference to assert shutdown signal. Use Value: 60 µA supply current minimizes self-discharge; ground-sensing input allows direct GND-referenced threshold setting. |
Use Scenario: Converting 1.8 V GPIO logic from an MCU to 3.3 V for an external sensor interface. IC Role / Device Role / Timing Role: Level translator using open-collector output pulled to 3.3 V, with 1.8 V applied to +IN. Use Value: Eliminates need for dedicated level-shifter IC; 200 ns delay preserves timing integrity in control signaling. |
| Window Comparator | Crystal Oscillator Enable |
|
Use Scenario: Monitoring temperature sensor output to trigger fan control only within 25°C–70°C range. IC Role / Device Role / Timing Role: Two LMV331M5/NOPB units configured as high/low thresholds with wired-OR output. Use Value: Open-collector outputs simplify OR logic without additional gates; SC70 packaging enables compact dual-channel layout. |
Use Scenario: Enabling crystal oscillator circuit only after power supply stabilizes above 2.7 V. IC Role / Device Role / Timing Role: Power-good detector comparing supply rail against internal bandgap reference. Use Value: Guaranteed 2.7 V operation and −40°C to +85°C range ensure reliable startup in industrial environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV331IDBVR | Lower 25 µA supply current, but 360 ns propagation delay; rail-to-rail input (not ground-sensing). | Better for ultra-low-power sleep-mode monitoring; less suitable for ground-referenced analog signals. | Select TLV331IDBVR when sub-30 µA current dominates over speed and input range. |
| LM393DR | Higher 1 mA supply current, wider 2–36 V supply range, slower 1.3 µs delay, SOIC-8 only. | Preferred for legacy 5 V/12 V industrial systems where power efficiency is secondary to robustness. | Choose LM393DR for cost-sensitive, non-battery applications with existing SOIC footprints. |
Compared with TLV331IDBVR and LM393DR, LMV331M5/NOPB uniquely balances low 60 µA current, 200 ns speed, ground-sensing input, and SC70 packaging - making it optimal for modern portable electronics requiring compact, efficient, and ground-aware threshold detection.
Availability
LMV331M5/NOPB is available at Aetrix Electronics and suitable for battery voltage monitoring, level-shifting interfaces, window comparators, and crystal oscillator enable circuits requiring stable component supply and long-term manufacturability.
Supply support for LMV331M5/NOPB 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 precision analog, power management, and signal chain solutions.
The LMV331M5/NOPB belongs to TI's LMV33x-N low-voltage comparator family, designed specifically for space-constrained, battery-powered applications demanding ground-sensing capability, low quiescent current, and fast response in miniature packages.
FAQ
What is the maximum supply voltage for LMV331M5/NOPB?
The absolute maximum supply voltage for LMV331M5/NOPB is 5.5 V, but the recommended operating range is 2.7 V to 5 V. Operation above 5 V risks permanent damage, and performance parameters such as input offset voltage and propagation delay are only specified and ensured within the 2.7–5 V range per the official SNOS018H datasheet.
Does LMV331M5/NOPB support rail-to-rail input?
No - LMV331M5/NOPB does not support full rail-to-rail input. Its input common-mode range extends from −0.1 V to 4.2 V at 5 V supply, which includes ground but stops 0.8 V below V+, unlike true rail-to-rail input comparators. This ground-sensing capability is intentional for low-side signal detection, not full rail coverage.
Can LMV331M5/NOPB drive a 3.3 V logic input directly?
Yes - when configured with a 3.3 V pull-up resistor on the open-collector output, LMV331M5/NOPB delivers a valid HIGH level (~3.3 V) and LOW level (~200 mV at 4 mA), meeting standard 3.3 V CMOS input thresholds. The output sink current capability (up to 10 mA at 5 V) exceeds typical CMOS input leakage requirements.
Is LMV331M5/NOPB pin-compatible with other SC70-5 comparators?
LMV331M5/NOPB uses the standard SC70-5 pinout (V+, −IN, +IN, OUT, V−) defined in TI's documentation and matches industry-standard SC70 comparator layouts. However, functional compatibility depends on electrical specs - e.g., TLV331IDBVR shares the same pinout but differs in input range and propagation delay, so direct substitution requires design validation.
What is the thermal resistance (θJA) of LMV331M5/NOPB in SC70-5 package?
The junction-to-ambient thermal resistance (θJA) for LMV331M5/NOPB in the SC70-5 (DCK) package is 478°C/W, as specified in Section 6.4 of the SNOS018H datasheet. This value assumes standard JEDEC 2-layer board conditions and informs maximum power dissipation limits - e.g., at 85°C ambient, max continuous power is ~136 mW before reaching 150°C junction limit.
LMV331M5/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-74A, SOT-753
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 1
- Output Type:
- CMOS, Open-Collector, TTL
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 5.5V
- :
- 7mV @ 5V
- Voltage - Input Offset (Max):
- 0.25µA @ 5V
- Current - Input Bias (Max):
- 84mA @ 5V
- Current - Output (Typ):
- 120µA
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- 600ns
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- SOT-23-5
LMV331M5/NOPB FAQ
1.How can I place an order for LMV331M5/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV331M5/NOPB 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 LMV331M5/NOPB reliable?
The price and inventory of LMV331M5/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV331M5/NOPB is usually 5 days.
3.What payment methods are accepted for LMV331M5/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV331M5/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV331M5/NOPB?
LMV331M5/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV331M5/NOPB 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 LMV331M5/NOPB?
For technical support, including LMV331M5/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV331M5/NOPB requirements.
6.How does Aetrix verify that LMV331M5/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV331M5/NOPB 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 LMV331M5/NOPB meets industry standards.
7.What is the process for return or replacement of LMV331M5/NOPB?
All LMV331M5/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV331M5/NOPB, 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 LMV331M5/NOPB part is unused and in its original packaging.
Return procedure for LMV331M5/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMV331M5/NOPB Tags
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