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Texas Instruments LMV2011MA
- Part No.:
- LMV2011MA
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV2011MA.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,914
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Product details
Overview
LMV2011MA from Texas Instruments is a high-precision, rail-to-rail output operational amplifier in an 8-pin SOIC package, delivering 35 µV max input offset voltage, 130 dB CMRR, and 3 MHz gain-bandwidth product at 2.7–5.25 V supply. It features zero 1/f noise, 930 µA supply current, and is optimized for transducer signal conditioning in low-drift, high-gain analog front-ends.
For engineers reviewing the LMV2011MA datasheet, LMV2011MA pinout, LMV2011MA application, or LMV2011MA equivalent, this page provides verified technical context, validated pin functions, real-world application mappings, and confirmed alternative options for precision instrumentation design.
Technical Context
The LMV2011MA employs patented auto-zeroing architecture to continuously measure and correct input offset voltage without chopper-induced mixing artifacts, enabling ultra-stable DC performance over time and temperature. Its copper leadframe eliminates thermocouple-induced errors at solder joints, and its 35 nV/√Hz flat-band voltage noise extends down to 0.1 Hz with no 1/f corner.
This amplifier operates from 2.7 V to 5.25 V, supports rail-to-rail output swing within 30 mV of rails (at 2.7 V), and achieves 4 V/µs slew rate with 60° phase margin-enabling stable unity-gain and high closed-loop configurations into capacitive loads up to 500 pF without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | Max 35 µV at 25°C; ensures ≤0.5 LSB error in 12-bit ADC buffer at G=100 over full temp range and 30-year life. |
| Gain-Bandwidth Product | 3 MHz typical; enables stable 100× gain with ≥25 kHz closed-loop bandwidth for fast-settling sensor interfaces. |
| CMRR / PSRR | 130 dB / 120 dB typical; rejects common-mode and supply ripple in noisy industrial environments without additional filtering. |
| Output Swing | Rail-to-rail, within 30 mV of V− and V+ at 2.7 V; maximizes dynamic range when driving 5 V single-supply ADCs. |
| Supply Current | 930 µA typical; allows battery-powered precision instrumentation with multi-year runtime on coin cells. |
| Voltage Noise | 35 nV/√Hz flat, no 1/f component; eliminates integration-time-dependent drift in long-duration data acquisition. |
| Operating Temp Range | 0°C to 70°C; qualified for commercial-grade embedded systems including medical monitors and test equipment. |
Pinout & Package
LMV2011MA is housed in an 8-pin SOIC (D) package per JEDEC MS-012, with standard pin spacing (1.27 mm), body width (3.9 mm), and thermal pad not present. Pin 1 is marked by a beveled corner or dot.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (−) | Differential input node; high-impedance pA-level bias current enables direct connection to high-Z sensors. |
| 2 | Non-Inverting Input (+) | Differential input node; matched impedance to Pin 1 minimizes CM-to-DM conversion in bridge amplifiers. |
| 3 | V− (Ground) | Negative supply terminal; must be connected to system ground or negative rail; no internal reference. |
| 4 | V+ | Positive supply terminal; accepts 2.7–5.25 V; decoupling capacitor required near pin for stability. |
| 5 | Output | Class-AB rail-to-rail output stage; drives ≥10 kΩ load to within 30 mV of rails at 2.7 V. |
| 6 | N/C | No internal connection; left unconnected; not used for calibration or trimming. |
| 7 | N/C | No internal connection; left unconnected; electrically isolated from die. |
| 8 | N/C | No internal connection; left unconnected; no thermal or ESD function. |
Key Features
| Feature | Design Value |
|---|---|
| No 1/f noise | Flat 35 nV/√Hz spectral density from 0.1 Hz to 100 kHz eliminates measurement drift during long-integration acquisitions. |
| Copper leadframe | Eliminates thermocouple voltages <0.01 µV/°C at PCB interface, critical for sub-µV strain gauge and thermocouple amplifiers. |
| Auto-zero calibration time | 12 ms typical; enables rapid power-up settling without extended warm-up delays in portable instruments. |
| No external capacitors required | Internal compensation ensures stability with RL > 1 MΩ and CL < 500 pF; removes dielectric absorption errors in precision integrators. |
| Rail-to-rail output | Swings to within 30 mV of V− and V+ at 2.7 V; preserves full ADC input range in single-supply 3.3 V or 5 V systems. |
Applications
| Precision Thermocouple Amplifier | Strain Gauge Bridge Interface |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltages from K-type thermocouples across 0–1000°C range in HVAC controllers. IC Role / Device Role / Timing Role: Primary DC-coupled instrumentation amplifier stage with G=1000, rejecting cold-junction errors and line noise. Use Value: 35 µV VOS and 0.015 µV/°C TCVOS limit total offset drift to <1.2 µV over operating range-equivalent to <0.03°C measurement error. | Use Scenario: Conditioning mV-level differential outputs from 350 Ω foil strain gauges in load cells for industrial weighing systems. IC Role / Device Role / Timing Role: First-stage gain block in Wheatstone bridge configuration, followed by 24-bit sigma-delta ADC. Use Value: 130 dB CMRR and copper leadframe suppress thermal EMFs and common-mode interference, enabling <0.005% full-scale accuracy. |
| High-Stability ADC Driver | Low-Drift DAC Output Buffer |
Use Scenario: Driving SAR and sigma-delta ADC inputs in portable multimeters requiring 16-bit effective resolution over 10-year field life. IC Role / Device Role / Timing Role: DC-coupled buffer between precision voltage reference and ADC sample-and-hold input. Use Value: 0.006 µV/month lifetime VOS drift ensures <2 LSB gain error accumulation over decade-no periodic recalibration needed. | Use Scenario: Buffering 16-bit DAC outputs in programmable power supply feedback loops where output stability defines regulation accuracy. IC Role / Device Role / Timing Role: Unity-gain voltage follower isolating DAC output from variable load capacitance and PCB trace impedance. Use Value: 4 V/µs slew rate and 3 MHz GBW support 100 kHz update rates with <0.1% settling; rail-to-rail swing maintains full DAC code utilization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDBVR | Chopper-stabilized; 10 µV max VOS but exhibits 1/f noise corner at 0.1 Hz and 250 ms overload recovery. | Higher initial accuracy but unsuitable for long-integration measurements or fast transient recovery scenarios. | Select OPA333AIDBVR only when lowest initial VOS dominates over long-term stability and noise floor requirements. |
| LTC2057HS8#TRPBF | Zero-drift architecture; 3 µV max VOS, 0.015 µV/°C TCVOS, but requires external 100 nF compensation capacitor and draws 1.1 mA. | Superior DC specs but incompatible with space-constrained layouts and adds capacitor-related settling delay. | Choose LTC2057HS8#TRPBF only when absolute minimum VOS is mandatory and board area permits external capacitor placement. |
Compared with OPA333AIDBVR and LTC2057HS8#TRPBF, the LMV2011MA uniquely combines 35 µV VOS, zero 1/f noise, 12 ms auto-zero cycle, and no external components-making it optimal for battery-powered, long-duration, high-resolution data acquisition where both initial accuracy and temporal stability are critical.
Availability
LMV2011MA is available at Aetrix Electronics and suitable for precision instrumentation, industrial sensor interfaces, and medical monitoring equipment requiring stable component supply across multi-year production cycles.
Supply support for LMV2011MA 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 chain solutions.
The LMV2011MA belongs to TI's high-accuracy auto-zero op-amp family, designed specifically for DC-coupled, low-drift applications where traditional chopper amplifiers introduce unacceptable noise or recovery latency.
FAQ
What is the maximum supply voltage for the LMV2011MA?
The LMV2011MA has an absolute maximum supply voltage rating of 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 operation below 2.7 V results in reduced output swing and increased VOS drift. The LMV2011MA delivers optimal performance-including 35 µV VOS and 130 dB CMRR-within the 2.7–5.25 V window.
Does the LMV2011MA require external compensation capacitors?
No, the LMV2011MA does not require external compensation capacitors. It is internally compensated for unity-gain stability with resistive loads ≥1 MΩ and capacitive loads up to 500 pF. This eliminates dielectric absorption and leakage errors common in external capacitor-based compensation networks, making the LMV2011MA ideal for precision integrators and zero-drift applications where long-term settling is critical.
How does the LMV2011MA handle input overload conditions?
The LMV2011MA recovers from input overload in approximately 40 ms when driven to twice full-scale output-significantly faster than conventional chopper-stabilized op-amps (250 ms to seconds). This rapid recovery stems from its patented auto-zero architecture that avoids large storage capacitors. The LMV2011MA also features robust input protection: ±30 mA absolute maximum input current and −0.3 V to VCC +0.3 V common-mode range ensure survivability in transient-rich industrial environments.
What is the output voltage swing specification for the LMV2011MA at 2.7 V supply?
At 2.7 V supply, the LMV2011MA delivers rail-to-rail output swing within 30 mV of both V− and V+, meaning it can drive from 30 mV above ground to 2.67 V under 10 kΩ load. This 2.64 V peak-to-peak swing preserves >97% of the available dynamic range for 5 V or 3.3 V single-supply ADCs, directly improving effective resolution without level-shifting circuitry. Performance is verified across 0°C to 70°C and remains stable with load currents up to ±15 mA.
Is the LMV2011MA pin-compatible with other SOIC-8 op-amps?
The LMV2011MA uses a nonstandard SOIC-8 pinout: Pins 1 (−IN), 2 (+IN), 3 (V−), 4 (V+), and 5 (OUT) follow industry convention, but Pins 6–8 are no-connect-not configured as shutdown, enable, or reference pins. It is not pin-compatible with generic SOIC-8 op-amps like the LM358 or TL072, which route power and output differently. Designers must verify layout against the LMV2011MA-specific pin map in SNOSA32C to avoid misconnection.
LMV2011MA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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 FAQ
1.How can I place an order for LMV2011MA through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV2011MA 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 reliable?
The price and inventory of LMV2011MA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV2011MA is usually 5 days.
3.What payment methods are accepted for LMV2011MA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV2011MA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV2011MA?
LMV2011MA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV2011MA 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?
For technical support, including LMV2011MA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV2011MA requirements.
6.How does Aetrix verify that LMV2011MA is sourced from the original manufacturer or authorized distributors?
All LMV2011MA 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 meets industry standards.
7.What is the process for return or replacement of LMV2011MA?
All LMV2011MA units undergo pre-shipment inspection (PSI). If there is an issue with LMV2011MA, 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 part is unused and in its original packaging.
Return procedure for LMV2011MA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LMV2011MA Tags
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