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Texas Instruments LMV2011MA/NOPB
- Part No.:
- LMV2011MA/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV2011MA/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:260
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Product details
Overview
LMV2011MA/NOPB from Texas Instruments is a high-precision, rail-to-rail output operational amplifier designed for DC-coupled signal conditioning in low-voltage, high-stability applications. It delivers 35 µV max input offset voltage (over temperature), 3 MHz gain-bandwidth product, 4 V/µs slew rate, and eliminates 1/f noise - enabling ultra-stable transducer amplification and ADC buffering in 2.7 V to 5.25 V systems.
For engineers reviewing the LMV2011MA/NOPB datasheet, LMV2011MA/NOPB pinout, LMV2011MA/NOPB application, or LMV2011MA/NOPB equivalent, key selection criteria include guaranteed low VOS drift (0.015 µV/°C), copper leadframe thermal-noise cancellation, no external capacitor requirement, and SOIC-8 package compatibility with precision instrumentation layouts.
Technical Context
The LMV2011MA/NOPB employs patented auto-zeroing architecture that continuously measures and corrects input offset voltage without chopper-induced mixing artifacts. Unlike traditional chopper-stabilized op-amps, it avoids distortion-generating frequency folding by operating its correction loop at ~30 kHz - well above audio band and below typical signal bandwidths.
This architecture enables simultaneous achievement of 130 dB CMRR, 120 dB PSRR, and 130 dB open-loop gain while maintaining rail-to-rail output swing within 30 mV of supply rails at 2 kΩ load. Its 35 nV/√Hz flat-band voltage noise and absence of 1/f corner make it uniquely suited for long-integration-time precision measurements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage (max) | 35 µV over full 0°C–70°C range - ensures ≤0.5 LSB error in 12-bit ADC buffer at G=100 over lifetime |
| Gain-Bandwidth Product | 3 MHz - supports stable unity-gain and moderate closed-loop gains up to ~100 with phase margin ≥60° |
| Slew Rate | 4 V/µs - enables 0.01% settling in 1.4 µs for 1 V step, suitable for ≥100 kSPS ADC driving |
| Supply Current | 930 µA typical - allows battery-powered precision front-ends with minimal quiescent power penalty |
| Output Swing (RL = 2 kΩ) | Within 30 mV of rails at 5 V supply - maximizes dynamic range utilization in single-supply 5 V ADC interfaces |
| Input Voltage Noise | 35 nV/√Hz (flat, no 1/f) - eliminates integration-time-dependent noise growth in DC-coupled thermocouple or strain gauge amplifiers |
| CMRR / PSRR | 130 dB / 120 dB - rejects common-mode interference and supply ripple without additional filtering in noisy industrial environments |
Pinout & Package
LMV2011MA/NOPB is packaged in an 8-pin SOIC (D package), with standard op-amp pinout optimized for PCB layout stability and thermal symmetry. The copper leadframe minimizes thermocouple EMF between leads and PCB traces.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (−) | Differential input terminal; matched impedance critical for CMRR preservation in precision configurations |
| 2 | Non-Inverting Input (+) | Differential input terminal; copper leadframe reduces thermal EMF vs. PCB copper at this node |
| 3 | Output | Rail-to-rail capable output; drives 2 kΩ load to within 30 mV of V− or V+ under full temperature range |
| 4 | V− (Ground) | Negative supply reference; must be low-impedance for PSRR integrity and thermal stability |
| 5 | N/C | No internal connection - left unconnected per TI design; not usable as feedback or compensation node |
| 6 | N/C | No internal connection - electrically isolated; avoid routing signals or vias beneath this pad |
| 7 | V+ | Positive supply input (2.7 V–5.25 V); decoupling capacitor required within 1 cm for AC performance |
| 8 | N/C | No internal connection - unused terminal; maintains package symmetry for thermal uniformity |
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 long-duration data acquisition |
| Copper leadframe | Eliminates thermocouple EMF ≥35 µV/°C inherent in Kovar packages - critical for sub-µV-level strain gauge and thermocouple amplifiers |
| No external capacitors | Internal auto-zero capacitor integrated - removes dielectric absorption errors and turn-on settling delays (>seconds) seen in discrete capacitor solutions |
| Fast overload recovery | 40 ms recovery from 2× full-scale input overload - 6× faster than typical chopper-stabilized op-amps, reducing dead time in multiplexed sensor systems |
| Rail-to-rail output | Swings to within 30 mV of either rail at 2 kΩ load - preserves >99% of 5 V ADC input range without level-shifting circuitry |
Applications
| Precision Thermocouple Amplifier | Strain Gauge Bridge Interface |
|---|---|
|
Use Scenario: Amplifying µV-level Seebeck voltages from Type-K thermocouples across 0°C–70°C ambient, with cold-junction compensation. IC Role / Device Role / Timing Role: Primary DC-coupled instrumentation amplifier stage, providing G=1000 with <1 µV total output offset drift over 10 years. Use Value: Copper leadframe cancels thermocouple EMF at input pins; zero 1/f noise prevents integration-time-dependent drift during 100+ second furnace ramp profiles. |
Use Scenario: Conditioning Wheatstone bridge outputs from metal foil strain gauges in load cell modules, requiring 100+ dB CMRR. IC Role / Device Role / Timing Role: First-stage differential amplifier with matched external resistors, rejecting bridge common-mode voltage while amplifying mV-level delta. Use Value: 130 dB CMRR ensures <0.1% error at 10 mV/V bridge excitation; 35 µV VOS contributes <0.035% full-scale error before trimming. |
| High-Accuracy ADC Driver | Low-Drift Transducer Signal Chain |
|
Use Scenario: Driving SAR ADC inputs in portable medical devices (e.g., ECG front-end), where 12-bit accuracy must be maintained over battery life. IC Role / Device Role / Timing Role: Final gain stage before ADC, configured for G=10 with rail-to-rail output swing into 10 kΩ || 10 pF load. Use Value: 4 V/µs slew rate achieves 0.01% settling in 1.4 µs, supporting 100 kSPS sampling; no 1/f noise ensures consistent SNR across all integration windows. |
Use Scenario: Signal conditioning for MEMS pressure sensors in industrial process control, requiring <1 ppm/°C gain stability and <100 nV/√Hz noise floor. IC Role / Device Role / Timing Role: Precision buffer and level shifter in multi-stage analog chain, isolating sensor from downstream filters and ADC drivers. Use Value: 0.015 µV/°C TCVOS limits offset drift to <1 µV over 70°C span; 930 µA supply current enables always-on monitoring with <10 µW dissipation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDR | Chopper-stabilized; 10 µV max VOS but exhibits 1/f noise corner at 0.1 Hz and slower overload recovery (~250 ms) | Better initial VOS spec, but unsuitable for long-integration DC measurements due to 1/f noise growth | Select OPA333AIDR only when lowest initial offset dominates over long-term stability and noise spectral shape |
| LTC2057HS8#PBF | Zero-drift architecture with 0.5 µV max VOS; higher supply current (1.1 mA) and requires external 100 nF capacitor for stability | Superior VOS spec but adds board area, leakage risk, and settling delay from external capacitor | Select LTC2057HS8#PBF when sub-1 µV VOS is mandatory and external capacitor placement is acceptable |
Compared with OPA333AIDR and LTC2057HS8#PBF, LMV2011MA/NOPB uniquely combines flat-band noise, copper leadframe thermal immunity, and no-external-capacitor operation - making it optimal for compact, battery-powered, long-duration precision measurement systems where layout area and thermal EMF are constrained.
Availability
LMV2011MA/NOPB is available at Aetrix Electronics and suitable for precision instrumentation amplifiers, thermocouple signal conditioning, strain gauge bridge interfaces, high-accuracy ADC drivers, and low-drift transducer signal chains requiring stable component supply across extended production lifecycles.
Supply support for LMV2011MA/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 ICs for industrial, automotive, and medical applications.
The LMV2011MA/NOPB belongs to TI's high-precision operational amplifier product line, engineered specifically for DC-coupled, low-drift, low-noise signal conditioning in resource-constrained environments where thermal EMF, 1/f noise, and layout simplicity are critical.
FAQ
What is the maximum operating temperature range for LMV2011MA/NOPB?
The LMV2011MA/NOPB is specified for operation from 0°C to 70°C, as confirmed in the Absolute Maximum and Operating Ratings sections of the official TI datasheet (SNOSA32C). This commercial-grade temperature range aligns with its target use in industrial instrumentation and medical devices where ambient conditions remain controlled. The device's 0.015 µV/°C TCVOS ensures predictable offset behavior across this full span, and junction temperature must not exceed 150°C under any condition.
Does LMV2011MA/NOPB require external compensation capacitors?
No, LMV2011MA/NOPB does not require external capacitors for stability or offset correction. Its patented auto-zeroing architecture integrates all necessary timing and storage capacitance internally. This eliminates dielectric absorption errors, leakage-induced drift, and turn-on settling delays associated with external capacitors - a key differentiator versus alternatives like LTC2057HS8#PBF, which mandates a 100 nF external capacitor.
How does the copper leadframe in LMV2011MA/NOPB improve measurement accuracy?
The copper leadframe in LMV2011MA/NOPB replaces conventional Kovar or iron-nickel alloys to eliminate thermocouple EMF at the IC-to-PCB interface. When soldered to copper PCB traces, dissimilar metal junctions generate ≥35 µV/°C error - comparable to the amplifier's own 35 µV max VOS. Copper-to-copper bonding cancels this effect, preserving sub-microvolt accuracy in high-gain transducer circuits such as thermocouple or strain gauge amplifiers.
What is the typical supply current consumption of LMV2011MA/NOPB at 5 V supply?
The LMV2011MA/NOPB draws 930 µA typical supply current at 5 V, as measured under standard test conditions (TJ = 25°C, RL > 1 MΩ). This value remains stable across temperature (0°C–70°C) and supply voltage (2.7 V–5.25 V), with a maximum of 1.5 mA. Its low quiescent current enables use in battery-powered precision instruments without compromising DC accuracy or noise performance.
Can LMV2011MA/NOPB drive a 2 kΩ load while maintaining rail-to-rail output swing?
Yes, LMV2011MA/NOPB guarantees rail-to-rail output swing within 30 mV of either supply rail when driving a 2 kΩ load at 5 V supply, as verified in the 5 V DC Electrical Characteristics table. At 25°C, the output reaches 4.895 V (high) and 0.105 V (low) - representing 97.9% and 97.9% of full-scale range respectively. This capability maximizes dynamic range utilization in single-supply 5 V ADC interfaces without external level-shifting components.
LMV2011MA/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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:
- 8-SOIC
LMV2011MA/NOPB FAQ
1.How can I place an order for LMV2011MA/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV2011MA/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 LMV2011MA/NOPB reliable?
The price and inventory of LMV2011MA/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV2011MA/NOPB is usually 5 days.
3.What payment methods are accepted for LMV2011MA/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV2011MA/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV2011MA/NOPB?
LMV2011MA/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV2011MA/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 LMV2011MA/NOPB?
For technical support, including LMV2011MA/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV2011MA/NOPB requirements.
6.How does Aetrix verify that LMV2011MA/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV2011MA/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 LMV2011MA/NOPB meets industry standards.
7.What is the process for return or replacement of LMV2011MA/NOPB?
All LMV2011MA/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV2011MA/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 LMV2011MA/NOPB part is unused and in its original packaging.
Return procedure for LMV2011MA/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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