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Home > Products > Integrated Circuits (ICs) > Linear > Comparators

Texas Instruments LMV761MF

Name: LMV761MF
Brand: Texas Instruments
SKU: LMV761MF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LMV761MF

Manufacturer:: Texas Instruments

Category:: Comparators

Package:: SOT-23-6

Datasheet:: LMV761MF.pdf

Description:: IC COMPARATOR 1 GEN PUR SOT23-6

Quantity:: RFQ Add To RFQ list

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Product details

Overview

LMV761MF from Texas Instruments is a single-channel, low-voltage precision comparator with push-pull output and active-low shutdown pin, designed for battery-powered systems requiring sub-1-mV input offset voltage (max), 120 ns propagation delay at 50 mV overdrive, and 300 µA supply current at 5 V. It operates from 2.7 V to 5.25 V and supports −40°C to +125°C ambient temperature range in portable instrumentation and power management circuits.

For engineers reviewing the LMV761MF datasheet, LMV761MF pinout, LMV761MF application, or LMV761MF equivalent, key selection criteria include shutdown-enabled ultra-low quiescent current (20 nA in SD mode), rail-to-rail input common-mode range (−0.3 V to V_CC − 1.3 V), push-pull output eliminating external pull-up resistors, and compatibility with 2.7-V/5-V single-supply systems.

Technical Context

The LMV761MF implements a CMOS-input, push-pull-output architecture that enables fast, clean digital transitions without external biasing. Its input stage delivers 0.2 pA typical input bias current and 100 dB CMRR, supporting high-impedance sensing in precision threshold detection.

Shutdown functionality is implemented via an active-low SD pin with logic thresholds proportional to V_CC, allowing 5-V control signals even when V_CC = 3 V. In shutdown, output enters high-impedance state and supply current drops to 20 nA - critical for intermittent-sensing applications like battery voltage monitors.

Key Specifications

Parameter	Value and Actual Design Meaning
Input Offset Voltage (max)	1 mV over −40°C to +125°C - ensures stable switching thresholds across automotive and industrial temperature ranges
Propagation Delay	120 ns at 50 mV overdrive, RL = 5.1 kΩ, CL = 50 pF - enables reliable timing in high-speed sampling and zero-crossing detection
Supply Current (typ)	225 µA at 5 V, 25°C - supports multi-year operation in coin-cell–powered IoT sensors
Input Bias Current (typ)	0.2 pA - permits use with >10 MΩ source impedances without offset degradation
CMRR / PSRR	100 dB / 110 dB - rejects supply and common-mode noise in noisy embedded environments
Output Type	Push-pull - drives logic inputs directly without pull-up resistor, reducing BOM count and board area
Shutdown Current	20 nA - enables microamp-level system sleep modes in portable devices

Pinout & Package

LMV761MF is packaged in a 6-pin SOT-23 (DBV) with body size 2.90 mm × 1.60 mm, optimized for space-constrained PCB layouts in handheld and wearable electronics.

Pin/Terminal	Circuit Role	Design Meaning
1 (+IN)	Noninverting Input	High-impedance analog input accepting signals up to V_CC − 1.3 V; used for reference or signal monitoring
2 (V−)	Negative Power Terminal	Ground connection for single-supply operation; must be tied to system GND
3 (−IN)	Inverting Input	High-impedance analog input; differential pair with +IN determines output polarity
4 (OUT)	Push-Pull Output	CMOS-compatible digital output sourcing/sinking ±4 mA; no external pull-up required
5 (SD)	Shutdown Control (active low)	Logic input disabling comparator core and reducing I_CC to 20 nA; must not float
6 (V+)	Positive Power Terminal	Supplies 2.7 V to 5.25 V; decoupling capacitor required per layout guidelines

Key Features

Feature	Design Value
Precision offset performance	0.2 mV typical, 1 mV max over full temperature range - eliminates calibration in cost-sensitive consumer systems
Ultra-low power shutdown	20 nA supply current in SD mode - extends battery life in duty-cycled sensor nodes
Rail-to-rail input capability	Common-mode range from −0.3 V to V_CC − 1.3 V - supports direct interface to Li-ion battery voltage dividers
Fast, clean output transitions	1.5 ns fall time, 1.7 ns rise time at 5 V - minimizes jitter in clock recovery and pulse-width measurement
Robust ESD protection	±2000 V HBM - withstands handling in standard manufacturing environments without special precautions

Applications

Portable Battery Monitor	High-Speed Line Receiver
Use Scenario: Monitoring Li-ion cell voltage during charge/discharge cycles in Bluetooth earbuds. IC Role / Device Role / Timing Role: Precision threshold detector comparing divided battery voltage against reference to trigger low-battery warning. Use Value: 1 mV max V_OS ensures consistent 3.3 V cutoff across temperature, while 300 µA I_CC minimizes parasitic drain on 50 mAh battery.	Use Scenario: Converting differential USB or RS-422 signals to single-ended logic levels in compact docking stations. IC Role / Device Role / Timing Role: High-speed differential line receiver with hysteresis to reject noise-induced false triggering. Use Value: 120 ns propagation delay and 100 dB CMRR enable reliable data recovery at >5 Mbps in electrically noisy host interfaces.
Zero-Crossing Detector	Window Comparator
Use Scenario: Detecting AC mains zero crossings for TRIAC dimmer control in smart lighting modules. IC Role / Device Role / Timing Role: Low-offset comparator comparing rectified AC waveform to ground reference to generate precise timing edges. Use Value: 0.2 pA input bias current prevents DC error accumulation in high-value RC filter networks, ensuring sub-1° phase accuracy.	Use Scenario: Validating sensor output stays within safe operating limits in medical infusion pumps. IC Role / Device Role / Timing Role: Dual-threshold detector using two LMV761MF units (or LMV762) to assert fault flag when signal exceeds upper/lower bounds. Use Value: Matched V_OS and CMRR across devices minimize window asymmetry; push-pull outputs drive MCU GPIOs directly without level-shifting.

Portable Battery Monitor

High-Speed Line Receiver

Use Scenario: Monitoring Li-ion cell voltage during charge/discharge cycles in Bluetooth earbuds.

IC Role / Device Role / Timing Role: Precision threshold detector comparing divided battery voltage against reference to trigger low-battery warning.

Use Value: 1 mV max V_OS ensures consistent 3.3 V cutoff across temperature, while 300 µA I_CC minimizes parasitic drain on 50 mAh battery.

Use Scenario: Converting differential USB or RS-422 signals to single-ended logic levels in compact docking stations.

IC Role / Device Role / Timing Role: High-speed differential line receiver with hysteresis to reject noise-induced false triggering.

Use Value: 120 ns propagation delay and 100 dB CMRR enable reliable data recovery at >5 Mbps in electrically noisy host interfaces.

Zero-Crossing Detector

Window Comparator

Use Scenario: Detecting AC mains zero crossings for TRIAC dimmer control in smart lighting modules.

IC Role / Device Role / Timing Role: Low-offset comparator comparing rectified AC waveform to ground reference to generate precise timing edges.

Use Value: 0.2 pA input bias current prevents DC error accumulation in high-value RC filter networks, ensuring sub-1° phase accuracy.

Use Scenario: Validating sensor output stays within safe operating limits in medical infusion pumps.

IC Role / Device Role / Timing Role: Dual-threshold detector using two LMV761MF units (or LMV762) to assert fault flag when signal exceeds upper/lower bounds.

Use Value: Matched V_OS and CMRR across devices minimize window asymmetry; push-pull outputs drive MCU GPIOs directly without level-shifting.

Equivalent & Alternatives

The following parts are listed as comparable options for similar precision comparator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV3601DBVR	Higher speed (4.5 ns t_PD), no shutdown, 1.8-V min supply	Better suited for RF envelope detection; lacks low-power sleep mode	Select when nanosecond response dominates over battery life
LMV331M5X	Lower cost, higher V_OS (7 mV max), no shutdown, 360 µA I_CC	Acceptable for non-critical industrial controls where precision is secondary	Select for cost-driven designs with relaxed offset and power requirements

Compared with TLV3601DBVR and LMV331M5X, the LMV761MF uniquely balances sub-mV precision, integrated shutdown, and 5-V compatibility - making it optimal for portable systems demanding both accuracy and energy efficiency.

Availability

LMV761MF is available at Aetrix Electronics and suitable for portable instrumentation, battery management systems, and industrial sensor interfaces requiring stable component supply with guaranteed long-term availability.

Supply support for LMV761MF 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 decades of expertise in precision signal conditioning and low-power design.

The LMV76x product line was engineered specifically for portable and battery-operated electronics needing high accuracy, fast response, and minimal quiescent power - targeting applications from wearables to automotive body electronics.

FAQ

What is the maximum supply voltage rating for the LMV761MF?

The LMV761MF has an absolute maximum supply voltage (V+ – V−) of 5.5 V. Operation beyond this limit risks permanent damage. The recommended operating range is 2.7 V to 5.25 V, ensuring full specification compliance across −40°C to +125°C ambient temperatures. Exceeding 5.25 V may degrade parametric performance even if below the 5.5-V absolute maximum.

Does the LMV761MF require an external pull-up resistor on its output?

No, the LMV761MF features a push-pull output stage capable of sourcing and sinking up to ±4 mA. This eliminates the need for an external pull-up resistor, simplifying circuit design and reducing component count. The output swings from near V− (≤250 mV at −2 mA) to near V+ (≥V+ − 0.1 V at 4 mA), enabling direct interfacing with CMOS logic inputs.

How does the shutdown pin (SD) function on the LMV761MF?

The SD pin on the LMV761MF is active-low: driving it to GND disables the comparator core, placing the output in high-impedance state and reducing supply current to 20 nA. Driving SD high (≥0.7 × V_CC) enables normal operation. The pin accepts up to 5.5 V regardless of V_CC, allowing 5-V logic control of a 3-V system. Leaving SD floating is prohibited.

What is the input common-mode voltage range for the LMV761MF at 5 V supply?

At V_CC = 5 V, the LMV761MF supports an input common-mode voltage range of −0.3 V to 3.8 V (V_CC − 1.3 V) while maintaining CMRR > 50 dB. This rail-to-rail-capable input allows direct connection to sensors referenced to ground or to partial supply rails - such as battery voltage dividers - without level-shifting circuitry.

Can the LMV761MF operate from a 2.7-V single supply?

Yes, the LMV761MF is fully specified for 2.7-V single-supply operation. At 2.7 V, it delivers 275 µA typical supply current, 120 ns propagation delay (at 50 mV overdrive), and maintains 1 mV maximum input offset voltage across −40°C to +125°C. Its push-pull output swings to within 350 mV of V+ and 250 mV of V−, ensuring robust logic-level compatibility.

LMV761MF Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Package/Case:: SOT-23-6

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Type:: General Purpose

Number of Elements:: 1

Output Type:: Push-Pull

Voltage - Supply, Single/Dual (±):: 2.7V ~ 5V

:: 0.2mV @ 5V

Voltage - Input Offset (Max):: 50pA @ 5V

Current - Input Bias (Max):: -

Current - Output (Typ):: 700µA

Current - Quiescent (Max):: 100dB CMRR, 110dB PSRR

CMRR, PSRR (Typ):: 225ns

Propagation Delay (Max):: -

Hysteresis:: -40°C ~ 125°C

Operating Temperature:: -

Grade:: -

Qualification:: Surface Mount

:: SOT-23-6

LMV761MF FAQ

1.How can I place an order for LMV761MF through Aetrix?

Please submit a Request for Quotation (RFQ) for LMV761MF 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 LMV761MF reliable?

The price and inventory of LMV761MF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV761MF is usually 5 days.

3.What payment methods are accepted for LMV761MF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV761MF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LMV761MF?

LMV761MF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LMV761MF 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 LMV761MF?

For technical support, including LMV761MF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV761MF requirements.

6.How does Aetrix verify that LMV761MF is sourced from the original manufacturer or authorized distributors?

All LMV761MF 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 LMV761MF meets industry standards.

7.What is the process for return or replacement of LMV761MF?

All LMV761MF units undergo pre-shipment inspection (PSI). If there is an issue with LMV761MF, 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 LMV761MF part is unused and in its original packaging.

Return procedure for LMV761MF:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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