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Texas Instruments LMV772MA/NOPB
- Part No.:
- LMV772MA/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LMV772MA/NOPB.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:5,175
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Product details
Overview
LMV772MA/NOPB from Texas Instruments is a dual, rail-to-rail output, low-noise precision operational amplifier optimized for 2.7V–5.5V single-supply operation. It delivers 3.5MHz gain-bandwidth product, 7.5nV/√Hz input voltage noise at 10kHz, 550µA per amplifier supply current, and 850µV max input offset voltage (room temperature), enabling high-accuracy signal conditioning in portable instrumentation and automotive sensor interfaces.
For engineers reviewing the LMV772MA/NOPB datasheet, LMV772MA/NOPB pinout, LMV772MA/NOPB application, or LMV772MA/NOPB equivalent, key selection criteria include guaranteed RRO swing into 2kΩ loads, −40°C to 125°C operating range, low input bias current (100pA typ), and compatibility with precision transducer amplification, active filtering, and battery-powered data acquisition systems.
Technical Context
The LMV772MA/NOPB implements a CMOS input stage with rail-to-rail output using complementary bipolar output transistors, supporting full-swing operation down to 50mV from each rail into 2kΩ at 2.7V. Its 100dB open-loop gain (RL = 2kΩ) and 79° phase margin ensure stable unity-gain buffer and closed-loop configurations without external compensation.
Designed for low-voltage precision analog front-ends, it features input common-mode range extending to V− and up to V+ − 0.9V, enabling direct sensing of ground-referenced signals. The device maintains 3.5MHz GBW and 1.4V/µs slew rate across its full temperature and supply range, with noise performance validated at both 2.7V and 5V operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7V to 5.5V - supports direct integration into Li-ion and USB-powered systems without level-shifting. |
| Gain-Bandwidth Product | 3.5MHz - enables stable closed-loop gain ≥10 up to ~350kHz for anti-aliasing and sensor signal conditioning. |
| Input Voltage Noise | 7.5nV/√Hz @ 10kHz - ensures minimal added noise in 10kHz–100kHz bandwidth applications like audio preamps and ADC drivers. |
| Input Offset Voltage | Max 850µV @ 25°C - provides ≤0.1% error in 1V full-scale differential measurements without trimming. |
| Output Swing (RL = 2kΩ) | 50mV from rails @ 2.7V - delivers >96% usable dynamic range in single-supply 3V systems. |
| Supply Current per Amp | 550µA - allows dual-channel operation at <1.2mA total, critical for multi-day battery life in portable devices. |
| Operating Temperature | −40°C to 125°C - qualified for under-hood automotive and industrial control environments. |
Pinout & Package
LMV772MA/NOPB is housed in an 8-pin MSOP package (SOIC-8 pin-compatible footprint), offering space savings over standard SOIC while maintaining thermal resistance of 235°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (A) | High-impedance node for feedback network connection; accepts signals within 0 to V+ − 0.9V common-mode range. |
| 2 | Non-Inverting Input (A) | High-Z input for reference or sensor signal; matched bias current minimizes offset drift in differential configurations. |
| 3 | Output (A) | Rail-to-rail capable output driving ≥2kΩ loads to within 50mV of supply rails at 2.7V. |
| 4 | Ground | Power return path; must be low-impedance to maintain PSRR >76dB and minimize ground bounce. |
| 5 | Non-Inverting Input (B) | Independent second channel input; electrically isolated from Channel A for dual-sensor interfacing. |
| 6 | Inverting Input (B) | Second channel feedback node; supports independent gain configuration without crosstalk (≥100dB rejection @ 1kHz). |
| 7 | Output (B) | Second rail-to-rail output; identical AC/DC specs to Channel A, enabling matched dual-path signal processing. |
| 8 | V+ | Positive supply pin; accepts 2.7V–5.5V; decoupling capacitor required within 1cm for stability at full GBW. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing into 2kΩ | Enables full utilization of 2.7V–5.5V supply headroom in single-supply data acquisition, eliminating need for negative rail generation. |
| Low input bias current (100pA typ) | Reduces voltage error across high-impedance sources (e.g., pH electrodes, piezoelectric sensors) to <10µV at 100MΩ source impedance. |
| Guaranteed 2.7V and 5V specs | Ensures consistent performance across battery discharge curves and fixed 3.3V/5V rails without derating or revalidation. |
| −40°C to 125°C operation | Supports deployment in automotive engine control units, industrial motor drives, and outdoor IoT sensor nodes without thermal derating. |
| Low 12.5nV/√Hz 1/f noise | Maintains signal integrity in DC-coupled applications such as precision current sensing and thermocouple amplification below 1kHz. |
Applications
| Transducer Amplifier | Instrumentation Amplifier |
|---|---|
Use Scenario: Amplifying low-level mV-range outputs from strain gauges, load cells, or pressure sensors in weigh scales and industrial process controllers. IC Role / Device Role / Timing Role: Primary gain stage providing initial 10–100× amplification with rail-to-rail output to maximize ADC dynamic range. Use Value: 850µV max VOS and 7.5nV/√Hz noise preserve microvolt-level resolution; RRO swing avoids clipping on 3.3V ADC references. | Use Scenario: Building 3-op-amp instrumentation amplifiers for medical ECG front-ends requiring >100dB CMRR and sub-µV input-referred noise. IC Role / Device Role / Timing Role: Dual-channel implementation of input buffers and output difference amplifier in discrete IA topology. Use Value: Matched VOS drift (−0.45µV/°C) and low IB minimize gain error; 100dB open-loop gain ensures stable 1000× closed-loop gain. |
| Precision Current Sensing | Active Filters and Buffers |
Use Scenario: Shunt-based current monitoring in motor drives and power supplies where accuracy must hold across −40°C to 125°C ambient. IC Role / Device Role / Timing Role: High-side or low-side current sense amplifier with gain-setting resistors and RRO output driving ADC input. Use Value: Input CMR extends to V− enables true low-side sensing; 550µA quiescent current minimizes self-heating error in sealed enclosures. | Use Scenario: Implementing 2nd-order Sallen-Key low-pass filters for anti-aliasing before SAR ADCs in portable test equipment. IC Role / Device Role / Timing Role: Unity-gain buffer and active filter op-amp with 3.5MHz GBW supporting cutoff frequencies up to 350kHz. Use Value: 79° phase margin ensures monotonic step response without peaking; low noise prevents SNR degradation in filtered sensor signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.02µV/°C VOS drift vs. LMV772MA/NOPB's −0.45µV/°C; higher 17µA supply current. | Better for µV-level DC stability over temperature; less suitable for ultra-low-power battery operation. | Select OPA2333AIDR when long-term DC accuracy dominates over quiescent power; LMV772MA/NOPB preferred for <1.2mA dual-channel systems. |
| AD8602ARMZ | Higher 10MHz GBW and 5V/µs slew rate; 12nV/√Hz noise at 10kHz; same 2.7–5.5V supply range and MSOP-8 package. | Superior for wideband active filtering and fast-settling multiplexed data acquisition. | Choose AD8602ARMZ for bandwidth-critical designs; LMV772MA/NOPB remains optimal for cost-sensitive, low-noise, low-power precision apps. |
Compared with OPA2333AIDR and AD8602ARMZ, LMV772MA/NOPB uniquely balances sub-1mV VOS, 7.5nV/√Hz noise, and 550µA/channel quiescent current in an MSOP-8 package-making it the most energy-efficient precision dual op-amp for extended-temperature portable instrumentation.
Availability
LMV772MA/NOPB is available at Aetrix Electronics and suitable for precision current sensing, transducer amplification, and active filtering applications requiring stable component supply across automotive, industrial, and portable electronics programs.
Supply support for LMV772MA/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 analog ICs and broad distribution infrastructure.
The LMV772MA/NOPB belongs to TI's LMV77x precision op-amp family, engineered specifically for low-voltage, low-noise, rail-to-rail signal conditioning in space-constrained, battery-powered, and high-reliability systems.
FAQ
What is the maximum input offset voltage specification for LMV772MA/NOPB at room temperature?
The LMV772MA/NOPB has a maximum input offset voltage of 850µV at TA = 25°C, as guaranteed in the 2.7V DC Electrical Characteristics table. This value applies to both channels and is measured with V+ = 2.7V, V− = 0V, and RL > 1MΩ. At 5V supply, the max VOS remains 850µV, ensuring consistent DC accuracy across its operating voltage range.
Does LMV772MA/NOPB support rail-to-rail output swing into 600Ω loads?
Yes, LMV772MA/NOPB supports rail-to-rail output swing into 600Ω loads, but with reduced headroom: output swings to within 100mV of each rail at 2.7V supply and within 150mV at 5V supply. For 600Ω loads, this yields ≥92% of full-scale range at 2.7V, making it suitable for driving legacy ADC inputs and low-impedance cables without external buffers.
What is the thermal resistance (θJA) of the LMV772MA/NOPB in its MSOP-8 package?
The LMV772MA/NOPB in the 8-pin MSOP package has a thermal resistance θJA of 235°C/W, as specified in the Operating Ratings section. This value assumes standard JEDEC 2-layer board conditions; actual board layout, copper area, and airflow will affect real-world junction temperature rise during continuous operation at 550µA per amplifier.
Can LMV772MA/NOPB operate reliably at 125°C ambient temperature?
Yes, LMV772MA/NOPB is fully specified and guaranteed to operate from −40°C to +125°C ambient temperature. Its electrical characteristics-including 3.5MHz GBW, 550µA supply current, and 850µV VOS-are validated across this range, with DC limits relaxed only for output swing and large-signal gain when driving loads heavier than 2kΩ above 85°C.
Is LMV772MA/NOPB pin-compatible with other dual op-amps in MSOP-8 packages?
LMV772MA/NOPB uses the industry-standard 8-pin MSOP footprint (pin 1 = Inverting Input A, pin 2 = Non-Inverting Input A, pin 3 = Output A, pin 4 = GND, pin 5 = Non-Inverting Input B, pin 6 = Inverting Input B, pin 7 = Output B, pin 8 = V+), matching common dual op-amps like MCP6022 and TLV272. However, functional compatibility requires verification of VOS, noise, and drive strength for the target application.
LMV772MA/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMV®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Differential, Rail-to-Rail
- Slew Rate:
- 1.4V/µs
- Gain Bandwidth Product:
- 3.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.23 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 600µA (x2 Channels)
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LMV772MA/NOPB FAQ
1.How can I place an order for LMV772MA/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV772MA/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 LMV772MA/NOPB reliable?
The price and inventory of LMV772MA/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV772MA/NOPB is usually 5 days.
3.What payment methods are accepted for LMV772MA/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV772MA/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV772MA/NOPB?
LMV772MA/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV772MA/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 LMV772MA/NOPB?
For technical support, including LMV772MA/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV772MA/NOPB requirements.
6.How does Aetrix verify that LMV772MA/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV772MA/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 LMV772MA/NOPB meets industry standards.
7.What is the process for return or replacement of LMV772MA/NOPB?
All LMV772MA/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV772MA/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 LMV772MA/NOPB part is unused and in its original packaging.
Return procedure for LMV772MA/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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