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Texas Instruments LMV2011MAX/NOPB
- Part No.:
- LMV2011MAX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV2011MAX/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,677
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Product details
Overview
LMV2011MAX/NOPB from Texas Instruments is a high-precision, rail-to-rail output operational amplifier optimized for DC-critical signal conditioning in 2.7V–5.25V systems. It delivers 35 µV max input offset voltage (over temperature), 35 nV/√Hz flat-band voltage noise with no 1/f component, 130 dB CMRR, 120 dB PSRR, and 3 MHz gain-bandwidth product - enabling stable, low-drift amplification in thermocouple, strain gauge, and ADC buffer applications.
For engineers reviewing the LMV2011MAX/NOPB datasheet, LMV2011MAX/NOPB pinout, LMV2011MAX/NOPB application, or LMV2011MAX/NOPB equivalent, this device is selected where long-term offset stability (<0.015 µV/°C TCVOS), ultra-low low-frequency noise, copper leadframe thermal error cancellation, and no external capacitor requirements are mandatory design criteria.
Technical Context
The LMV2011MAX/NOPB employs patented auto-zeroing architecture that continuously measures and corrects input offset without chopper-induced mixing products, enabling clean wideband performance up to 3 MHz while maintaining sub-µV-level DC accuracy. Its zero 1/f noise profile eliminates time-dependent measurement drift in DC-coupled acquisition over seconds to hours.
This SOIC-8 opamp operates from 2.7V to 5.25V, achieves rail-to-rail output swing within 30 mV of rails (at 2 kΩ load), and features a copper leadframe to suppress thermocouple voltages induced by PCB copper–Kovar mismatches - critical for sub-µV-level precision at ambient temperature gradients below 0.0014°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage (max) | 35 µV over full operating temperature (0°C to 70°C) - ensures ≤0.5 LSB error in 12-bit ADC buffering at G=100 over lifetime. |
| Voltage Noise Density | 35 nV/√Hz, flat from 0.1 Hz - eliminates integration-time-dependent noise growth; enables accurate long-duration DC measurements. |
| CMRR / PSRR | 130 dB / 120 dB - rejects common-mode and supply ripple even under mismatched source impedances or noisy rails. |
| Gain-Bandwidth Product | 3 MHz - supports stable unity-gain and high closed-loop gain configurations (e.g., G=1000) with adequate phase margin (>60°). |
| Rail-to-Rail Output | Swings to within 30 mV of V− and V+ at 2 kΩ load - maximizes dynamic range when driving 5 V single-supply ADCs. |
| Supply Current | 930 µA typical - enables precision amplification in battery-powered instrumentation without compromising quiescent power budget. |
| Offset Calibration Time | 12 ms - settles initial correction rapidly after power-up; no external capacitor required for stabilization. |
Pinout & Package
LMV2011MAX/NOPB is housed in an 8-pin SOIC (D) package with standard dual-opamp pinout configuration. The device uses a copper leadframe to minimize thermoelectric EMF at solder joints and supports JEDEC-standard reflow (MSL Level-1, 260°C peak).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (−) | Differential input terminal; accepts negative feedback network connection for stable closed-loop gain control. |
| 2 | Non-Inverting Input (+) | Differential input terminal; connects to reference or sensor signal; high-impedance (≥9 MΩ) picoamp-level bias current. |
| 3 | Output | Class-AB rail-to-rail output stage capable of sourcing/sinking ≥15 mA into 2 kΩ load with <105 mV headroom. |
| 4 | V− (Ground) | Negative supply rail; referenced to system ground in single-supply operation; copper leadframe minimizes thermal offset. |
| 5 | N/C | No internal connection; electrically isolated; must be left unconnected or tied to ground per layout best practices. |
| 6 | N/C | No internal connection; electrically isolated; must be left unconnected or tied to ground per layout best practices. |
| 7 | V+ | Positive supply rail; supports 2.7V–5.25V operation; PSRR of 120 dB suppresses supply ripple coupling to output. |
| 8 | N/C | No internal connection; electrically isolated; must be left unconnected or tied to ground per layout best practices. |
Key Features
| Feature | Design Value |
|---|---|
| No 1/f voltage noise | Flat 35 nV/√Hz spectral density down to 0.1 Hz - eliminates time-integration noise penalty in DC data acquisition. |
| Copper leadframe construction | Eliminates thermocouple EMF between IC leads and PCB copper - reduces thermal offset to <0.0014°C-equivalent error. |
| No external capacitors required | Internal auto-zero calibration stabilizes without external timing or filter caps - avoids dielectric absorption and leakage errors. |
| Rail-to-rail output swing | Reaches within 30 mV of both supply rails at 2 kΩ - preserves full-scale resolution when interfacing with 5 V ADCs. |
| Low long-term drift | 0.006 µV/month lifetime VOS drift - ensures <2.5 µV total offset shift over 30 years of continuous operation. |
Applications
| Precision Thermocouple Amplifier | Strain Gauge Bridge Amplifier |
|---|---|
|
Use Scenario: Amplifying µV-level Seebeck voltages from Type-K thermocouples across 0°C–70°C ambient range with cold-junction compensation. IC Role / Device Role / Timing Role: Primary DC-coupled gain stage with ultra-low offset and zero 1/f noise to prevent integration-time-dependent drift. Use Value: Enables ±0.1°C measurement accuracy without recalibration over 10-year field life, leveraging <35 µV VOS and <0.015 µV/°C TCVOS. |
Use Scenario: Conditioning differential mV outputs from 350 Ω Wheatstone bridge strain gauges in load-cell interfaces. IC Role / Device Role / Timing Role: Instrumentation amplifier front-end with matched resistor networks to achieve >108 dB CMRR. Use Value: Maintains sub-0.01% linearity error over temperature via 130 dB CMRR and copper-leadframe thermal stability. |
| High-Resolution ADC Driver | Transducer Signal Conditioning |
|
Use Scenario: Buffering analog inputs to 12-bit and 16-bit SAR and delta-sigma ADCs in portable medical and test equipment. IC Role / Device Role / Timing Role: DC-coupled input amplifier with fast settling (≤1.4 µs to 0.01%) and rail-to-rail output swing. Use Value: Delivers <5 LSB total error over temperature and lifetime at G=100, enabled by 35 µV VOS and no 1/f noise. |
Use Scenario: Low-noise amplification of piezoresistive pressure sensor outputs in industrial process monitoring. IC Role / Device Role / Timing Role: Precision gain block with high PSRR (120 dB) to reject switching regulator noise on shared 3.3 V/5 V rails. Use Value: Achieves 14-bit effective resolution in noisy environments due to 120 dB PSRR and 35 nV/√Hz noise floor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2057HS8#PBF | Chopper-stabilized, 0.5 µV max VOS, but exhibits 1/f noise corner at ~10 Hz and slower overload recovery (~250 ms). | Higher DC accuracy at room temp, but degraded long-term stability and higher low-frequency noise in DC-integrated measurements. | Select LTC2057HS8#PBF only when ultra-low initial VOS dominates over time-domain noise and thermal EMF concerns. |
| OPA2189IDR | Zero-drift, 0.005 µV/°C TCVOS, 5.2 MHz GBW, but requires external 100 nF capacitor for stability and has 1/f noise corner at 0.1 Hz. | Better bandwidth and lower drift, but added BOM cost, layout sensitivity, and residual 1/f contribution limit ultra-long measurement fidelity. | Choose OPA2189IDR when >3 MHz bandwidth is mandatory and external capacitor placement is controllable; avoid for thermocouple-grade DC stability. |
Compared with LTC2057HS8#PBF and OPA2189IDR, the LMV2011MAX/NOPB uniquely combines zero 1/f noise, copper leadframe thermal immunity, and no external capacitor requirement - making it optimal for unattended, long-duration, sub-µV-level DC measurements where thermal gradients and integration time are uncontrolled.
Availability
LMV2011MAX/NOPB is available at Aetrix Electronics and suitable for precision instrumentation, industrial transducer interfaces, and high-resolution data acquisition systems requiring stable component supply across multi-year production cycles.
Supply support for LMV2011MAX/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 deep expertise in precision signal chain design and high-reliability manufacturing.
The LMV2011MAX/NOPB belongs to TI's high-accuracy auto-zero opamp family, engineered specifically for DC-critical applications where traditional chopper amplifiers introduce unacceptable noise, distortion, or thermal error - such as thermocouple amplification and strain gauge readout.
FAQ
What is the maximum operating supply voltage for LMV2011MAX/NOPB?
The absolute maximum supply voltage for LMV2011MAX/NOPB is 5.5 V, but its specified operating range is 2.7 V to 5.25 V. Operation above 5.25 V may cause parametric degradation or reliability risk, and the device is not characterized beyond 5.25 V per the datasheet's Operating Ratings table. Always maintain V+ ≤ 5.25 V for guaranteed performance in LMV2011MAX/NOPB designs.
Does LMV2011MAX/NOPB require external capacitors for stability?
No, LMV2011MAX/NOPB does not require external capacitors for offset calibration or frequency compensation. Its patented auto-zero architecture integrates all necessary timing elements internally, eliminating dielectric absorption, leakage, and layout sensitivity associated with external capacitors - a key differentiator confirmed in the "NO EXTERNAL CAPACITORS REQUIRED" section of the datasheet.
How does the copper leadframe in LMV2011MAX/NOPB improve precision?
The copper leadframe in LMV2011MAX/NOPB cancels thermocouple voltages generated at solder joints between dissimilar metals (e.g., Kovar leads and copper PCB traces). This reduces thermal EMF to <0.0014°C-equivalent error - directly improving DC accuracy in low-level transducer applications where ambient gradients would otherwise dominate offset drift in LMV2011MAX/NOPB circuits.
What is the typical input bias current of LMV2011MAX/NOPB?
The LMV2011MAX/NOPB exhibits input currents in the picoamp range: −3 pA minimum and +6 pA maximum (IOS) at 25°C. These currents flow differentially - into one input and out the other - and remain stable across common-mode voltage and temperature, supporting high-impedance sensor interfaces without significant offset shift in LMV2011MAX/NOPB applications.
Can LMV2011MAX/NOPB drive a 2 kΩ load rail-to-rail?
Yes, LMV2011MAX/NOPB delivers true rail-to-rail output swing into 2 kΩ loads: at 5 V supply, it swings to within 85 mV of V+ and 91 mV of V− (typical), and at 2.7 V supply, within 75 mV of each rail. This capability is verified in the 2.7V/5V DC Electrical Characteristics tables and ensures full dynamic range utilization when driving ADCs or other medium-load precision stages using LMV2011MAX/NOPB.
LMV2011MAX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- 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:
- 8-SOIC
LMV2011MAX/NOPB FAQ
1.How can I place an order for LMV2011MAX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV2011MAX/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 LMV2011MAX/NOPB reliable?
The price and inventory of LMV2011MAX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV2011MAX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV2011MAX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV2011MAX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV2011MAX/NOPB?
LMV2011MAX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV2011MAX/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 LMV2011MAX/NOPB?
For technical support, including LMV2011MAX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV2011MAX/NOPB requirements.
6.How does Aetrix verify that LMV2011MAX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV2011MAX/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 LMV2011MAX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV2011MAX/NOPB?
All LMV2011MAX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV2011MAX/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 LMV2011MAX/NOPB part is unused and in its original packaging.
Return procedure for LMV2011MAX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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