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Texas Instruments LMV715MF/NOPB
- Part No.:
- LMV715MF/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
LMV715MF/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,106
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Product details
Overview
LMV715MF/NOPB from Texas Instruments is a rail-to-rail input/output, low-power operational amplifier with shutdown control, designed for battery-powered RF and wireless signal conditioning. It delivers 5 MHz gain-bandwidth, 5 V/µs slew rate, ±0.2 mV typical input offset (≤3 mV max), 0.2 µA shutdown current, and drives 600-Ω loads - enabling precision AGC loops and power amplifier bias control in GSM/CDMA front-ends.
For engineers reviewing the LMV715MF/NOPB datasheet, LMV715MF/NOPB pinout, LMV715MF/NOPB application, or LMV715MF/NOPB equivalent, this device is selected for ultra-low quiescent current, fast wake-up (<10 µs), tri-stated output in shutdown, and guaranteed performance at 2.7 V and 5 V supplies in portable RF subsystems.
Technical Context
The LMV715MF/NOPB uses a BiCMOS process with paralleled PMOS/NMOS input stages to achieve rail-to-rail input common-mode range extending 300 mV beyond rails, while maintaining CMRR ≥45 dB across −40°C to 85°C. Its output stage provides high-current sourcing/sinking (≥25 mA) and rail-to-rail swing into 600 Ω, with phase margin of 60° ensuring unity-gain stability.
Shutdown is controlled by an active-low SD pin; when asserted, the output enters high-impedance (tri-state) mode with leakage ≤1 pA and capacitance of 32 pF - critical for multiplexed analog signal paths. Input-referred voltage noise is 20 nV/√Hz at 1 kHz, supporting low-distortion RF detector and temperature compensation circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 5 MHz - supports stable closed-loop operation up to 100 kHz with gain ≥50, suitable for IF amplification and AGC loop filters. |
| Slew rate | 5 V/µs - enables clean 100-kHz sine-wave output at 2-Vpp into 600 Ω without slewing distortion. |
| Input offset voltage | ≤3 mV (max) - ensures <0.1% error in 3-V full-scale current-sense applications without trimming. |
| Supply current (active) | 1.7 mA (typ) at 2.7 V - allows continuous operation in Bluetooth headset audio paths with sub-2-mA system budget. |
| Shutdown current | 0.2 µA (typ) - extends battery life >100× vs active mode in intermittent-sampling RF power detectors. |
| Rail-to-rail I/O | Input range: V− −0.3 V to V+ +0.3 V; Output swing: within 80 mV of rails at 600 Ω - maximizes dynamic range in single-supply 2.7–5 V systems. |
| Turnon time from shutdown | <10 µs - meets GSM burst timing requirements where amplifier must settle before RF transmit window opens. |
Pinout & Package
LMV715MF/NOPB is housed in a 6-pin SOT-23 (DBV) package measuring 2.92 mm × 1.50 mm, optimized for space-constrained RF modules and handheld PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUT | Amplifier output | Tri-stated during shutdown; drives 600-Ω load to within 80 mV of rails; requires local 0.1-µF bypass capacitor. |
| 2: V− | Negative supply / ground reference | Connect directly to PCB ground plane; serves as return path for input bias current (4 pA typ) and output sink current. |
| 3: +IN | Noninverting input | CMOS input with rail-to-rail common-mode range; accepts signals from 0.3 V below V− to 0.3 V above V+ without phase reversal. |
| 4: −IN | Inverting input | High-impedance node (Zin >10¹² Ω); sensitive to layout parasitics - keep trace short and guard with ground. |
| 5: SD | Active-low shutdown enable | Pull ≤0.8 V to enter shutdown (output tri-state, 0.2 µA supply current); tie to V+ if unused - floating causes oscillation. |
| 6: V+ | Positive supply input | Operates from 2.7 V to 5 V; internal regulation ensures consistent GBWP and slew rate across voltage range. |
Key Features
| Feature | Design Value |
|---|---|
| Tri-stated output in shutdown | Enables safe sharing of analog signal buses (e.g., ADC input mux) without loading or contention during sleep cycles. |
| Rail-to-rail input with extended range | Accepts inputs 300 mV beyond V+ or V− - eliminates level-shifting in high-side current sensing across full battery voltage range. |
| 600-Ω load drive capability | Delivers full rail-to-rail swing into standard test load - avoids external buffer in RF power detector output stages. |
| 20 nV/√Hz input voltage noise | Preserves SNR in low-level RF envelope detection (e.g., CDMA power amp control) without requiring post-amplification filtering. |
| Guaranteed 2.7 V and 5 V operation | Validated performance across entire Li-ion battery discharge curve (4.2 V → 2.7 V) and fixed 3.3/5 V rails - no derating needed. |
Applications
| Wireless Power Amplifier Bias Control | GSM/CDMA RF Power Detection |
|---|---|
Use Scenario: Regulating bias current of GaAs FET power amplifiers in cellular handsets during transmit bursts. IC Role / Device Role / Timing Role: Precision transconductance amplifier in closed-loop bias circuit; responds to RF detector output to maintain constant PA output power. Use Value: 5 V/µs slew rate and <10 µs wake-up ensure bias settles before RF envelope rises, preventing spectral regrowth and ACLR degradation. |
Use Scenario: Converting RF power envelope to DC voltage for automatic gain control in multi-mode transceivers. IC Role / Device Role / Timing Role: High-speed, low-noise op-amp in peak-detector integrator stage; conditions rectified RF signal before ADC sampling. Use Value: Rail-to-rail I/O and 20 nV/√Hz noise enable accurate detection of −30 dBm to +10 dBm signals without dynamic range compression. |
| Temperature Compensation Circuitry | Bluetooth Audio Signal Conditioning |
Use Scenario: Compensating crystal oscillator drift or PA efficiency variation over −40°C to +85°C in portable radios. IC Role / Device Role / Timing Role: Low-drift, low-power amplifier in thermistor-based feedback loop; adjusts reference voltage applied to VCO or PA bias DAC. Use Value: ≤3 mV max VOS and 4 pA input bias minimize temperature-induced offset drift, reducing calibration frequency in field-deployed units. |
Use Scenario: Buffering and level-shifting microphone or codec output in Bluetooth earbuds with single-cell Li-ion supply. IC Role / Device Role / Timing Role: Unity-gain rail-to-rail buffer between baseband IC and MEMS microphone; maintains signal integrity across 20 Hz–20 kHz audio band. Use Value: 1.7 mA supply current and 5 MHz GBWP support Hi-Fi audio fidelity while consuming <0.5% of typical 100-mA earbud system budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-power, rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP6002-E/SN | No shutdown pin; 1 µA supply current; 1 MHz GBWP; 0.6 V/µs slew rate | Lacks fast wake-up and tri-state output - unsuitable for burst-mode RF control | Select when cost sensitivity outweighs shutdown need and bandwidth <200 kHz suffices |
| TSV912IDT | Shutdown available but output clamps to rail (not tri-state); 1.1 mA supply current; 8 MHz GBWP | Clamped output may load shared analog bus during sleep - requires external isolation | Prefer when higher bandwidth is critical and bus contention can be managed externally |
Compared with MCP6002-E/SN and TSV912IDT, LMV715MF/NOPB uniquely combines sub-µA shutdown, tri-state output, and 5-MHz bandwidth - making it the only option for space-constrained, burst-operated RF subsystems requiring zero-output-interference sleep states.
Availability
LMV715MF/NOPB is available at Aetrix Electronics and suitable for wireless infrastructure monitoring, portable medical sensors, and Bluetooth LE audio devices requiring stable component supply across extended product lifecycles.
Supply support for LMV715MF/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, embedded processing, and connectivity solutions with emphasis on power efficiency, reliability, and system integration.
The LMV715MF/NOPB belongs to TI's LMV71x-N low-power RRIO op-amp family, engineered specifically for battery-operated RF front-ends, wireless sensor nodes, and portable instrumentation demanding shutdown control and rail-to-rail precision at minimal quiescent current.
FAQ
What is the function of the SD pin on the LMV715MF/NOPB?
The SD (shutdown) pin on the LMV715MF/NOPB is an active-low digital control input. When pulled ≤0.8 V, it disables the amplifier core and places the OUT pin in high-impedance (tri-state) mode, reducing supply current to 0.2 µA typical. This feature is essential for power gating in burst-mode RF systems. Leaving SD unconnected causes undefined behavior and potential oscillation - it must be tied to V+ if not used.
Does the LMV715MF/NOPB support true rail-to-rail input operation?
Yes, the LMV715MF/NOPB supports true rail-to-rail input operation with common-mode voltage range extending from V− −0.3 V to V+ +0.3 V. This allows direct interfacing with sensors or DACs operating at supply rails without level-shifting. However, input offset voltage exhibits a crossover near 1.4 V above V−, so large-signal AC applications should avoid centering input waveforms at that point to prevent distortion.
Can the LMV715MF/NOPB drive a 600-Ω load while maintaining rail-to-rail output swing?
Yes, the LMV715MF/NOPB is explicitly characterized to drive 600-Ω loads with rail-to-rail output swing: at 2.7 V supply, it delivers ≥2.52 V high and ≤0.3 V low into 600 Ω; at 5 V supply, ≥4.82 V high and ≤0.3 V low. This capability eliminates need for external buffers in RF detector and AGC output stages, preserving signal fidelity and board space.
What is the typical turnon time from shutdown for the LMV715MF/NOPB?
The LMV715MF/NOPB has a typical turnon time from shutdown of <10 µs, measured from SD rising above 1.5 V to output settling within 10 mV of final value. This fast wake-up supports GSM/EDGE burst timing, where amplifier must stabilize before RF transmit window opens. Turnon time remains consistent across 2.7 V to 5 V supply and −40°C to 85°C temperature range.
How does the LMV715MF/NOPB differ from the LMV711-N in shutdown behavior?
The LMV715MF/NOPB differs from LMV711-N in shutdown output state: LMV715MF/NOPB tri-states its output (high-Z, 1 pA leakage, 32 pF capacitance), while LMV711-N pulls output to ~50 mV above V−. This makes LMV715MF/NOPB suitable for multiplexed analog buses where output isolation is mandatory, whereas LMV711-N is better for simple enable/disable of single-ended outputs where clamping is acceptable.
LMV715MF/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 4 pA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 1.17mA
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
LMV715MF/NOPB FAQ
1.How can I place an order for LMV715MF/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV715MF/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 LMV715MF/NOPB reliable?
The price and inventory of LMV715MF/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV715MF/NOPB is usually 5 days.
3.What payment methods are accepted for LMV715MF/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV715MF/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV715MF/NOPB?
LMV715MF/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV715MF/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 LMV715MF/NOPB?
For technical support, including LMV715MF/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV715MF/NOPB requirements.
6.How does Aetrix verify that LMV715MF/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV715MF/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 LMV715MF/NOPB meets industry standards.
7.What is the process for return or replacement of LMV715MF/NOPB?
All LMV715MF/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV715MF/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 LMV715MF/NOPB part is unused and in its original packaging.
Return procedure for LMV715MF/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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