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Texas Instruments LMV2011MF/NOPB
- Part No.:
- LMV2011MF/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LMV2011MF/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,015
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Product details
Overview
LMV2011MF/NOPB from Texas Instruments is a high-precision, rail-to-rail output operational amplifier in a 5-pin SOT-23 package, featuring 35 µV max input offset voltage, 3 MHz gain-bandwidth product, and 35 nV/√Hz input-referred voltage noise with no 1/f component-designed for DC-coupled transducer signal conditioning in low-voltage (2.7–5.25 V) instrumentation systems.
For engineers reviewing the LMV2011MF/NOPB datasheet, LMV2011MF/NOPB pinout, LMV2011MF/NOPB application, or LMV2011MF/NOPB equivalent, key selection criteria include ultra-low long-term VOS drift (0.006 µV/month), copper leadframe for thermocouple cancellation, 4 V/µs slew rate, and guaranteed rail-to-rail output swing within 30 mV of supply rails at 2 kΩ load.
Technical Context
The LMV2011MF/NOPB employs patented auto-zeroing architecture that continuously measures and corrects input offset without chopper-induced mixing artifacts, enabling true DC precision without 1/f noise penalty. Its CMOS input stage delivers picoamp-level input bias current (±3 pA typical) and 9 MΩ input differential resistance.
This device operates across 2.7 V to 5.25 V supply, supports common-mode input range from −0.3 V to VCC + 0.3 V, and maintains 130 dB CMRR and 120 dB PSRR over frequency-critical for high-gain bridge sensor interfaces where supply and common-mode rejection directly impact measurement fidelity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 35 µV max ensures ≤0.5 LSB error in 12-bit ADC buffer at G = 100 over full temperature range |
| Gain-Bandwidth Product | 3 MHz enables stable unity-gain and high closed-loop gain configurations up to ~100 kHz |
| Slew Rate | 4 V/µs supports fast settling (≤1.4 µs to 0.01%) for 12-bit accuracy at ≥100 kSPS sampling |
| Supply Current | 930 µA typical allows battery-powered precision sensing with minimal thermal drift contribution |
| Rail-to-Rail Output | Swings to within 30 mV of V− and V+ at 2 kΩ load, maximizing dynamic range in single-supply 5 V ADC front-ends |
| Input Noise | 35 nV/√Hz flat spectrum (no 1/f corner) eliminates integration-time-dependent errors in long-duration measurements |
| CMRR / PSRR | 130 dB / 120 dB minimizes error from supply ripple and ground bounce in noisy industrial environments |
Pinout & Package
LMV2011MF/NOPB is housed in a 5-pin SOT-23 (DBV) package with exposed pad for thermal enhancement and standard JEDEC-compliant footprint (2.9 mm × 1.6 mm × 1.1 mm height).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (V−) | Negative Supply | Ground reference for single-supply operation; must be connected to system GND or negative rail |
| 2 (VIN−) | Inverting Input | Differential input node; high-impedance CMOS node with ±3 pA bias current |
| 3 (VIN+) | Non-Inverting Input | Differential input node; matched to VIN− for optimal CMRR and offset cancellation |
| 4 (VOUT) | Output | Capable of sourcing/sinking ≥12 mA; rail-to-rail swing with <30 mV headroom at 2 kΩ |
| 5 (V+) | Positive Supply | Accepts 2.7–5.25 V; internal regulation ensures stable offset calibration across supply range |
Key Features
| Feature | Design Value |
|---|---|
| No 1/f noise | Flat 35 nV/√Hz voltage noise down to 0.001 Hz eliminates time-dependent measurement drift in data loggers |
| Copper leadframe | Eliminates thermocouple EMF errors (<0.0014 °C ΔT required to match 35 µV noise floor) in high-gain strain gauge interfaces |
| Auto-zero calibration | Continuous offset correction with 12 ms typical calibration time avoids chopper artifacts and mixing distortion |
| No external capacitors | Internal compensation enables stable operation with any capacitive load <20 pF-reducing BOM count and board space |
| Overload recovery | 40 ms recovery from 2× full-scale overload-10× faster than conventional chopper-stabilized op amps |
Applications
| Precision Thermocouple Amplifier | Strain Gauge Bridge Interface |
|---|---|
Use Scenario: Amplifying µV-level thermocouple outputs (e.g., Type K) in environmental monitoring systems with 0.1 °C resolution requirement. IC Role / Device Role / Timing Role: Primary DC-coupled instrumentation amplifier with gain = 1000, rejecting cold-junction errors via matched resistor network. Use Value: 35 µV VOS and 0.015 µV/°C TCVOS limit total offset error to <1.2 µV over 0–70 °C, enabling direct digitization without software calibration. | Use Scenario: Conditioning full-bridge strain gauge signals (2 mV/V sensitivity) in industrial load cells operating from 3.3 V supply. IC Role / Device Role / Timing Role: Single-ended output amplifier with RG-set gain, referenced to mid-supply for bipolar signal swing. Use Value: Copper leadframe cancels thermocouple EMF from PCB copper–Kovar mismatch; 130 dB CMRR rejects bridge common-mode shifts from excitation ripple. |
| High-Stability ADC Driver | Low-Drift DAC Output Buffer |
Use Scenario: Driving SAR ADC inputs (e.g., ADS8860) in portable medical devices requiring 16-bit linearity over 10-year service life. IC Role / Device Role / Timing Role: DC-coupled unity-gain buffer with 1.4 µs 0.01% settling, placed immediately before ADC sample capacitor. Use Value: 0.006 µV/month lifetime VOS drift ensures <2 LSB cumulative offset error over 10 years at 50 °C ambient-no field recalibration needed. | Use Scenario: Buffering voltage-output DACs (e.g., DAC8560) in programmable power supply feedback loops demanding <10 ppm stability. IC Role / Device Role / Timing Role: Rail-to-rail output follower delivering 0–5 V range with minimal gain error and zero-settling overshoot. Use Value: 30 mV output headroom at 2 kΩ load preserves full 5 V span; 930 µA supply current enables low-power closed-loop control without thermal runaway. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2050CS5#TRMPBF | Chopper-stabilized, 0.5 µV VOS max, but exhibits 1/f noise and 250 ms overload recovery | Higher initial accuracy but unsuitable for fast-recovery or long-integration applications | Prefer LMV2011MF/NOPB when 1/f noise elimination and rapid overload recovery are critical |
| OPA333AIDBVR | Auto-zero, 10 µV VOS max, 350 kHz GBW, 160 µA supply current-lower bandwidth and higher noise (5.5 µVPP, 0.1–10 Hz) | Better for ultra-low-power, low-bandwidth sensor nodes; insufficient for 100 kSPS ADC buffering | Choose LMV2011MF/NOPB for applications needing ≥3 MHz GBW and sub-µVPP noise in 0.1–10 Hz band |
Compared with LTC2050CS5#TRMPBF and OPA333AIDBVR, the LMV2011MF/NOPB uniquely combines chopper-grade DC precision (35 µV VOS), wide 3 MHz bandwidth, and true 1/f-free noise-making it optimal for high-resolution, high-speed, long-duration DC measurements where both accuracy and speed are non-negotiable.
Availability
LMV2011MF/NOPB is available at Aetrix Electronics and suitable for precision instrumentation amplifiers, thermocouple signal conditioners, strain gauge bridge interfaces, and high-stability ADC drivers requiring stable component supply across industrial, medical, and test equipment programs.
Supply support for LMV2011MF/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 specializing in analog and embedded processing technologies, with decades of innovation in precision signal chain solutions.
The LMV2011MF/NOPB belongs to TI's high-accuracy auto-zero op amp family, engineered specifically for DC-critical applications-including sensor front-ends, metrology, and data acquisition-where long-term stability and noise-free performance outweigh raw speed or power efficiency.
FAQ
What is the maximum supply voltage rating for LMV2011MF/NOPB?
The absolute maximum supply voltage for LMV2011MF/NOPB is 5.5 V. The device is specified for continuous operation from 2.7 V to 5.25 V, with electrical characteristics fully guaranteed across this range. Exceeding 5.5 V risks permanent damage to the internal ESD protection structures and auto-zero circuitry. Operation at 5.25 V ensures optimal rail-to-rail output swing and maintains all DC precision specs including 35 µV VOS and 130 dB CMRR.
Does LMV2011MF/NOPB require external compensation capacitors?
No, LMV2011MF/NOPB does not require external compensation capacitors. It is internally compensated for unity-gain stability with any capacitive load under 20 pF. This eliminates dielectric absorption and leakage-induced settling errors common with external ceramic or film capacitors-critical for precision DC applications. The absence of external caps also reduces PCB area, BOM cost, and potential failure modes related to capacitor aging or microphonics.
How does the copper leadframe in LMV2011MF/NOPB improve measurement accuracy?
The copper leadframe in LMV2011MF/NOPB eliminates thermocouple EMF errors generated at solder joints between dissimilar metals (e.g., Kovar leads and copper PCB traces). Standard IC packages can produce >35 µV/°C thermoelectric voltage; LMV2011MF/NOPB's symmetric copper construction creates equal-and-opposite junctions that cancel this effect. As a result, a temperature gradient of just 0.0014 °C-which easily occurs across a PCB-would otherwise introduce 35 µV of error, matching the device's own VOS floor. This cancellation is essential in µV-level strain gauge and thermocouple amplifiers.
What is the typical input bias current of LMV2011MF/NOPB and how does it affect high-impedance sensors?
The typical input bias current of LMV2011MF/NOPB is ±3 pA at 25 °C, with both inputs drawing current in opposite directions. This bipolar-like behavior differs from standard CMOS op amps and minimizes offset voltage shift caused by series input resistances. For high-impedance sensors (e.g., pH electrodes or piezoresistive elements), this ultra-low bias current prevents significant IR drop and loading errors-even with source impedances up to 100 MΩ-ensuring signal integrity without active guarding or bootstrapping circuits.
Can LMV2011MF/NOPB drive heavy capacitive loads such as ADC input capacitors?
LMV2011MF/NOPB is characterized for stable operation with capacitive loads <20 pF. For larger loads-such as typical SAR ADC input capacitances (10–30 pF)-external isolation resistance (e.g., 10–50 Ω in series with output) is recommended to maintain phase margin and prevent peaking or ringing. The device's 4 V/µs slew rate and 3 MHz GBW support fast settling into moderate capacitive loads when properly isolated, preserving 0.01% accuracy in high-speed data acquisition systems using LMV2011MF/NOPB as an ADC driver.
LMV2011MF/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 4V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 0.12 µV
- Current - Supply:
- 930µA
- Current - Output / Channel:
- 17 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
LMV2011MF/NOPB FAQ
1.How can I place an order for LMV2011MF/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV2011MF/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 LMV2011MF/NOPB reliable?
The price and inventory of LMV2011MF/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV2011MF/NOPB is usually 5 days.
3.What payment methods are accepted for LMV2011MF/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV2011MF/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV2011MF/NOPB?
LMV2011MF/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV2011MF/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 LMV2011MF/NOPB?
For technical support, including LMV2011MF/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV2011MF/NOPB requirements.
6.How does Aetrix verify that LMV2011MF/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV2011MF/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 LMV2011MF/NOPB meets industry standards.
7.What is the process for return or replacement of LMV2011MF/NOPB?
All LMV2011MF/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV2011MF/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 LMV2011MF/NOPB part is unused and in its original packaging.
Return procedure for LMV2011MF/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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