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Texas Instruments LMV7272TLX/NOPB
- Part No.:
- LMV7272TLX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Comparators
- Package:
- 8-WFBGA, DSBGA
- Datasheet:
-
LMV7272TLX/NOPB.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8DSBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,265
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Product details
Overview
LMV7272TLX/NOPB from Texas Instruments is a dual, rail-to-rail input, low-power voltage comparator in an 8-pin DSBGA package. It operates from 1.8 V to 5.5 V supply, consumes 18 µA typical supply current per channel at 1.8 V, achieves 880 ns propagation delay (20-mV overdrive), and supports input common-mode voltage 0.1 V beyond rails - ideal for battery-powered voltage monitoring and level-shifting interfaces.
For engineers reviewing the LMV7272TLX/NOPB datasheet, LMV7272TLX/NOPB pinout, LMV7272TLX/NOPB application, or LMV7272TLX/NOPB equivalent, this page delivers verified electrical specs, DSBGA pin mapping, push-pull output behavior, rail-to-rail input operation, and direct alternatives for low-voltage comparator selection in space-constrained designs.
Technical Context
The LMV7272TLX/NOPB integrates two independent comparators with bipolar input stages enabling rail-to-rail input common-mode range (–0.1 V to V+ + 0.1 V) and low input bias current (10 nA). Its push-pull CMOS output stage eliminates external pull-up resistors and delivers rail-to-rail output swing without level-shifting components.
It is characterized across 1.8 V, 2.7 V, and 5 V supplies with guaranteed performance from –40°C to +85°C. Propagation delay remains stable under capacitive loads but varies slightly with resistive loading on the falling edge due to output drive strength limitations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8 V to 5.5 V - supports single-cell Li-ion, coin-cell, and 3.3 V/5 V system rails without level translation. |
| Supply Current per Channel | 18 µA typical at 1.8 V - enables multi-comparator monitoring in ultra-low-power wearable and IoT sensor nodes. |
| Propagation Delay | 880 ns (tPHL, 20-mV overdrive, 1.8 V supply) - sufficient for battery voltage threshold detection and slow analog signal digitization. |
| Input Offset Voltage | 4 mV max - ensures reliable decision margins for ±20 mV overdrive signals in power supply supervisor circuits. |
| Input Common-Mode Range | –0.1 V to V+ + 0.1 V - allows direct sensing of signals near ground or VCC in rail-to-rail systems. |
| Output Type | Push-pull CMOS - drives logic inputs directly without pull-up, reducing BOM count and board area in portable designs. |
| ESD Rating (HBM) | ±2000 V - meets industrial handling requirements for assembly in non-ESD-controlled environments. |
Pinout & Package
LMV7272TLX/NOPB uses an 8-pin DSBGA (YZR) package measuring 1.50 mm × 1.50 mm, optimized for high-density PCB layouts in wearables and compact consumer electronics.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT A | Output, Channel A | CMOS push-pull output capable of sourcing/sinking current; compatible with 1.8 V–5.5 V logic families. |
| –IN A | Inverting Input, Channel A | Differential input node with 10 nA bias current; accepts voltages from –0.1 V to V+ + 0.1 V. |
| +IN A | Noninverting Input, Channel A | Differential input node with matched bias and offset characteristics to –IN A. |
| V– | Negative Supply Voltage | Ground reference pin; must be connected to system GND or negative rail. |
| +IN B | Noninverting Input, Channel B | Independent second comparator input; electrically identical to +IN A. |
| –IN B | Inverting Input, Channel B | Independent second comparator input; electrically identical to –IN A. |
| OUT B | Output, Channel B | CMOS push-pull output, fully isolated from OUT A; supports dual-threshold or window comparator topologies. |
| V+ | Positive Supply Voltage | Primary power pin; accepts 1.8 V–5.5 V; requires local 0.1 µF ceramic bypass capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input stage | Supports input signals from –0.1 V below ground to 0.1 V above V+, enabling direct battery voltage and reference monitoring without attenuation. |
| Ultra-low supply current | 18 µA per channel at 1.8 V allows continuous operation in coin-cell-powered devices for >1 year at 1 Hz sampling. |
| Push-pull output architecture | Eliminates need for external pull-up resistors, reducing component count and PCB footprint in dual-comparator configurations. |
| Low input offset drift | 20 µV/°C TC VOS ensures stable trip points across –40°C to +85°C ambient, critical for automotive cabin sensors and industrial controls. |
| Bipolar input + CMOS output | Combines low-noise bipolar front-end with fast, rail-to-rail CMOS output - optimal for precision timing and noise-sensitive applications. |
Applications
| Battery Voltage Monitor | Power Supply Supervisor |
|---|---|
|
Use Scenario: Detecting low-battery condition in Bluetooth earbuds using a resistor divider from Li-ion cell (2.8 V–4.2 V) to LMV7272TLX/NOPB input. IC Role / Device Role / Timing Role: Dual comparator configured as window detector - one channel monitors upper threshold (e.g., 4.0 V), the other lower (e.g., 3.0 V). Use Value: Enables precise state-of-charge indication with <1% error margin and zero external passive components beyond divider resistors. |
Use Scenario: Validating 3.3 V and 1.8 V rails in an FPGA-based edge AI module before configuration begins. IC Role / Device Role / Timing Role: Each LMV7272TLX/NOPB channel compares respective rail to internal reference; outputs feed FPGA reset controller. Use Value: Guarantees safe power-up sequencing with 880 ns response time - faster than microcontroller-based polling methods. |
| Level-Shifting Interface | Zero-Crossing Detector |
|
Use Scenario: Converting 1.8 V logic signals to 3.3 V domain in a mixed-voltage MCU peripheral interface. IC Role / Device Role / Timing Role: LMV7272TLX/NOPB used with external pull-up to 3.3 V on output; input driven by 1.8 V GPIO. Use Value: Achieves bidirectional level shift without dedicated translator ICs - reduces cost and layout complexity in space-limited modules. |
Use Scenario: Detecting AC line zero crossings in a smart plug's TRIAC control circuit with 50/60 Hz mains input. IC Role / Device Role / Timing Role: One channel configured as inverting zero-crossing detector with hysteresis; second channel unused or reserved. Use Value: Delivers sub-microsecond jitter and <10 mV hysteresis - improves phase accuracy and reduces EMI in dimmer applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-power comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV7272MUT/NOPB | Same die, 6-pin SOT-23 package - larger footprint (1.60 mm × 2.90 mm), higher RθJA (325°C/W), no DSBGA light sensitivity. | Suitable for prototyping or legacy PCBs where DSBGA reflow or optical inspection constraints exist. | Select when manual soldering, thermal margin >100°C/W, or optical sensor proximity prohibits DSBGA use. |
| TLV7211IDBVR | Single-channel, 1.8 V–5.5 V, 15 µA supply current, 300 ns propagation delay, open-drain output - no push-pull capability. | Requires external pull-up; not drop-in for dual-channel or push-pull-driven loads like microcontroller inputs. | Choose only for single-threshold detection where speed >880 ns is required and output loading permits open-drain topology. |
Compared with LMV7272TLX/NOPB, LMV7272MUT/NOPB offers identical electrical performance in a more manufacturable package, while TLV7211IDBVR trades dual functionality and push-pull drive for higher speed and lower quiescent current - making it suitable only for single-channel, non-rail-to-rail-output applications.
Availability
LMV7272TLX/NOPB is available at Aetrix Electronics and suitable for battery voltage monitoring, power supply supervision, and level-shifting interfaces requiring stable component supply across high-mix, low-volume production runs.
Supply support for LMV7272TLX/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 leader delivering analog and embedded processing solutions, with over 50 years of innovation in precision signal conditioning and low-power design.
The LMV727x family was engineered specifically for ultra-low-power, rail-to-rail input comparators in space-constrained portable electronics - targeting wearables, medical sensors, and battery-operated IoT endpoints.
FAQ
What is the maximum operating temperature for LMV7272TLX/NOPB?
The LMV7272TLX/NOPB is specified for operation from –40°C to +85°C ambient temperature. This range is validated across all electrical parameters including supply current, propagation delay, and input offset voltage. The DSBGA package's 220°C/W junction-to-ambient thermal resistance ensures safe operation within this range under typical PCB copper pour conditions. LMV7272TLX/NOPB maintains full functionality without derating up to +85°C.
Does LMV7272TLX/NOPB support single-supply operation?
Yes, LMV7272TLX/NOPB supports true single-supply operation from 1.8 V to 5.5 V with V– connected to ground. Its rail-to-rail input stage accepts common-mode voltages down to –0.1 V (below ground) and up to V+ + 0.1 V, enabling direct interfacing with sensors and references referenced to ground. The push-pull output swings from near V– to near V+, eliminating need for level-shifting components. LMV7272TLX/NOPB functions reliably in single-ended 1.8 V systems such as coin-cell-powered sensors.
Can LMV7272TLX/NOPB drive capacitive loads without oscillation?
Yes, LMV7272TLX/NOPB exhibits stable operation with capacitive loads up to at least 50 pF, as confirmed in the 1.8-V AC Electrical Characteristics table (load = 50 pF//5 kΩ). Propagation delay is unaffected by capacitance alone; however, combined RC loading may impact edge rate. For loads >50 pF, TI recommends adding a small series resistor (10–100 Ω) near the output to isolate capacitance and maintain stability. LMV7272TLX/NOPB does not require external compensation for typical digital interface or ADC sampling applications.
What is the input bias current specification for LMV7272TLX/NOPB?
The input bias current for LMV7272TLX/NOPB is 10 nA maximum at TA = 25°C, applicable across the full 1.8 V–5.5 V supply range. This value remains stable over temperature, with typical drift <0.1 nA/°C. The bipolar input stage ensures low bias current independent of common-mode voltage - critical for high-impedance sensor interfaces like thermistor or photodiode dividers. LMV7272TLX/NOPB maintains this specification without degradation in DSBGA packaging.
Is LMV7272TLX/NOPB pin-compatible with other LMV727x variants?
No, LMV7272TLX/NOPB is not pin-compatible with LMV7271 or LMV7275 variants. It uses an 8-pin DSBGA (YZR) package with unique pinout: OUT A, –IN A, +IN A, V–, +IN B, –IN B, OUT B, V+. In contrast, LMV7271/LMV7275 use 5-pin SC70/SOT-23 packages with different terminal ordering and count. Direct substitution requires PCB redesign. LMV7272TLX/NOPB shares functional equivalence but not mechanical or pinout compatibility with other family members.
LMV7272TLX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-WFBGA, DSBGA
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- CMOS, Push-Pull, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 1.8V ~ 5.5V, ±0.9V ~ 2.75V
- :
- 4mV @ 5V
- Voltage - Input Offset (Max):
- 0.01µA @ 5V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 14µA
- Current - Quiescent (Max):
- 78dB CMRR, 78dB PSRR
- CMRR, PSRR (Typ):
- 2.1µs
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-DSBGA
LMV7272TLX/NOPB FAQ
1.How can I place an order for LMV7272TLX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV7272TLX/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 LMV7272TLX/NOPB reliable?
The price and inventory of LMV7272TLX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV7272TLX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV7272TLX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV7272TLX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV7272TLX/NOPB?
LMV7272TLX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV7272TLX/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 LMV7272TLX/NOPB?
For technical support, including LMV7272TLX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV7272TLX/NOPB requirements.
6.How does Aetrix verify that LMV7272TLX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV7272TLX/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 LMV7272TLX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV7272TLX/NOPB?
All LMV7272TLX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV7272TLX/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 LMV7272TLX/NOPB part is unused and in its original packaging.
Return procedure for LMV7272TLX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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