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Texas Instruments LMV118MFX/NOPB
- Part No.:
- LMV118MFX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
LMV118MFX/NOPB.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,168
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Product details
Overview
LMV118MFX/NOPB from Texas Instruments is a single-channel, rail-to-rail output operational amplifier with active shutdown control, designed for high-speed signal conditioning in low-voltage systems. It delivers 45 MHz bandwidth, 40 V/μs slew rate, ±20 mA linear output current, and operates from 2.7 V to 12 V supply while consuming only 600 μA quiescent current - enabling use in 2.7-V clock buffers, portable multiplexers, and current-sense amplifiers.
For engineers reviewing the LMV118MFX/NOPB datasheet, LMV118MFX/NOPB pinout, LMV118MFX/NOPB application, or LMV118MFX/NOPB equivalent, key selection criteria include its micro-power shutdown capability (15 μA), 20-mV rail-to-rail output swing at light loads, fast turnon/turnoff times (210 ns / 500 ns at 5 V), and SOT-23-6 package compatibility with space-constrained PCB layouts.
Technical Context
The LMV118MFX/NOPB employs TI's VIP10 dielectrically isolated bipolar process, enabling 45 MHz −3-dB bandwidth and 40 V/μs slew rate even at 2.7 V supply. Its complementary bipolar input stage and push-pull output stage maintain stable gain, bandwidth, and output drive across 2.7–12 V operation.
Shutdown is implemented via an active-high SD pin that places the output in high-impedance state and reduces supply current to ≤50 μA. Input common-mode range extends from −0.3 V to +1.7 V (at 2.7 V supply), and output swing reaches within 20 mV of either rail under light load - critical for dynamic range preservation in single-supply systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3-dB Bandwidth | 45 MHz - supports high-frequency signal buffering up to video and clock distribution frequencies |
| Slew Rate | 40 V/μs - enables clean amplification of fast-edged signals without distortion |
| Supply Voltage Range | 2.7 V to 12 V - compatible with single-cell Li-ion, 3.3 V, and 5 V systems without level-shifting |
| Output Swing | Within 20 mV of rails - maximizes usable dynamic range in low-voltage applications |
| Shutdown Current | ≤50 μA - allows power-gating in battery-powered devices without compromising wake-up latency |
| Linear Output Current | ±20 mA - drives 1 kΩ loads directly, eliminating need for external buffer stages |
| Input Voltage Noise | 40 nV/√Hz @ 100 kHz - suitable for precision amplification where noise floor impacts SNR |
Pinout & Package
SOT-23-6 (DBV) package, 2.90 mm × 1.60 mm body size, with exposed pad not electrically connected. Designed for surface-mount assembly and thermal performance up to 85°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUTPUT | Amplifier output | High-drive rail-to-rail voltage source; enters Hi-Z during shutdown |
| 2: V− | Negative supply | Reference for single- or dual-supply operation; ties to ground in single-supply designs |
| 3: +IN | Non-inverting input | Differential input node with −0.3 V to +1.7 V common-mode range at 2.7 V supply |
| 4: −IN | Inverting input | Differential input node; used with feedback network to set closed-loop gain |
| 5: SD | Shutdown control | Active-high logic input; must be pulled to V− via ≤20 kΩ resistor for normal operation |
| 6: V+ | Positive supply | Highest potential rail; supports up to 12 V; decoupling capacitor required adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | 20 mV from either supply rail at light load - preserves full-scale signal fidelity in 2.7 V systems |
| Micro-power shutdown mode | 15 μA typical supply current with output in Hi-Z - enables dynamic power management in portable MUX designs |
| Stable high-speed performance | 45 MHz bandwidth and 40 V/μs slew rate maintained across 2.7–12 V supply - eliminates recalibration across voltage domains |
| Low-input-noise architecture | 40 nV/√Hz voltage noise at 100 kHz - supports accurate amplification of small-signal transducer outputs |
| Fast, glitch-free transitions | 210 ns turnon / 500 ns turnoff at 5 V - ensures clean switching in time-critical multiplexing applications |
Applications
| High-Speed Clock Buffer | Multiplexing Signal Path |
|---|---|
Use Scenario: Distribution of 15.36 MHz sine-wave clock from crystal oscillator to multiple downstream logic blocks in portable instrumentation. IC Role / Device Role / Timing Role: Low-jitter, rail-to-rail buffer isolating source from capacitive loading while maintaining amplitude integrity. Use Value: 45 MHz bandwidth and 40 V/μs slew rate prevent edge rounding; 20-mV rail margin ensures full 2.7-V logic swing delivery. |
Use Scenario: 2:1 analog multiplexer selecting between 1-MHz sine and 250-kHz triangle waveforms on a 2.7-V supply. IC Role / Device Role / Timing Role: Active channel selector using SD pin to enable/disable amplifiers synchronously with select signal. Use Value: Sub-μs turnon/turnoff and Hi-Z shutdown eliminate crosstalk and switching glitches; ±20 mA drive handles 1-kΩ load directly. |
| Current Sense Amplifier | Portable Transducer Interface |
Use Scenario: Bidirectional current sensing across 50-mΩ shunt in battery management system operating from 2.7–4.2 V. IC Role / Device Role / Timing Role: Precision gain-stage amplifier with rail-to-rail output tracking small differential voltages across shunt. Use Value: −0.3 V to +1.7 V input common-mode range accommodates shunt placed on low side; 40 nV/√Hz noise preserves resolution at µV-level signals. |
Use Scenario: Signal conditioning for piezoelectric pressure sensor in handheld medical device powered by single Li-ion cell. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth front-end amplifier interfacing high-impedance sensor to ADC input. Use Value: 600 μA supply current minimizes battery drain; 45 MHz bandwidth supports transient response capture; shutdown disables amplifier during idle periods. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-voltage op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMV721M5X/NOPB | Lower bandwidth (10 MHz), no shutdown, 1.8–5.5 V supply, 1.25 mA supply current | Lacks multiplexing capability; suited for cost-sensitive, non-power-gated signal conditioning | Select when shutdown and >25 MHz bandwidth are unnecessary and supply is limited to ≤5.5 V |
| TLV9061IDBVR | Higher bandwidth (10 MHz), shutdown available, 1.8–5.5 V supply, 560 μA supply current, rail-to-rail I/O | Slower slew rate (6.5 V/μs); optimized for precision over speed; lower noise (16 nV/√Hz) | Select when ultra-low noise and precision offset matter more than 40 V/μs slew or 45 MHz BW |
Compared with LMV118MFX/NOPB, LMV721M5X/NOPB trades bandwidth and shutdown for lower cost and simpler biasing, while TLV9061IDBVR prioritizes precision and rail-to-rail input at the expense of speed - making LMV118MFX/NOPB uniquely suited for 2.7-V, high-speed, power-gated signal paths.
Availability
LMV118MFX/NOPB is available at Aetrix Electronics and suitable for high-speed clock buffering, analog multiplexing, current sensing, portable transducer interfaces, and low-voltage signal conditioning requiring stable component supply across industrial, medical, and test equipment programs.
Supply support for LMV118MFX/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 delivering analog and embedded processing solutions, with leadership in precision amplifiers, data converters, and power management ICs.
The LMV118MFX/NOPB belongs to TI's LMV11x family of low-voltage, high-speed op-amps engineered for rail-to-rail output performance and micro-power shutdown in portable and space-constrained systems.
FAQ
What is the shutdown threshold voltage for LMV118MFX/NOPB?
The LMV118MFX/NOPB shutdown pin (SD) activates when voltage exceeds 4.25 V (min) at 5 V supply or 1.95 V (min) at 2.7 V supply. Below 0.4 V relative to V+, the device remains active. This threshold ensures reliable disablement across its 2.7–12 V operating range without false triggering from noise or supply ripple.
Does LMV118MFX/NOPB support dual-supply operation?
Yes, LMV118MFX/NOPB supports dual-supply operation (e.g., ±5 V) per its Absolute Maximum Ratings and Electrical Characteristics tables. At ±5 V, it delivers 45 MHz bandwidth, ±20 mA output current, and maintains rail-to-rail output swing within 50 mV of each rail - confirmed in the ±5 V characterization section of the datasheet.
What is the maximum output current capability of LMV118MFX/NOPB?
The LMV118MFX/NOPB provides ±20 mA linear output current when the output is within 0.5 V of either supply rail. Short-circuit current is higher (up to 45 mA sinking/sourcing), but sustained ±20 mA is guaranteed across temperature and supply conditions - sufficient to drive 1 kΩ loads directly without external buffers.
Can LMV118MFX/NOPB operate from a 2.7-V single supply?
Yes, LMV118MFX/NOPB is fully specified for 2.7-V single-supply operation. Its input common-mode range extends to −0.3 V to +1.7 V, and output swings to within 20 mV of both rails - enabling full-scale signal handling in battery-powered systems where headroom is minimal.
Is LMV118MFX/NOPB pin-compatible with LMV116MFX/NOPB?
No, LMV118MFX/NOPB (SOT-23-6) is not pin-compatible with LMV116MFX/NOPB (SOT-23-5). The LMV118 adds a dedicated SD pin (Pin 5), shifting all downstream pins; LMV116 lacks shutdown functionality and uses Pin 5 as V+. PCB layout and schematic must be updated to accommodate the extra pin and revised pin mapping.
LMV118MFX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Push-Pull, Rail-to-Rail
- Slew Rate:
- 35V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 45 MHz
- Current - Input Bias:
- 400 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 600µA
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
LMV118MFX/NOPB FAQ
1.How can I place an order for LMV118MFX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMV118MFX/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 LMV118MFX/NOPB reliable?
The price and inventory of LMV118MFX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMV118MFX/NOPB is usually 5 days.
3.What payment methods are accepted for LMV118MFX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMV118MFX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMV118MFX/NOPB?
LMV118MFX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMV118MFX/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 LMV118MFX/NOPB?
For technical support, including LMV118MFX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMV118MFX/NOPB requirements.
6.How does Aetrix verify that LMV118MFX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMV118MFX/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 LMV118MFX/NOPB meets industry standards.
7.What is the process for return or replacement of LMV118MFX/NOPB?
All LMV118MFX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMV118MFX/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 LMV118MFX/NOPB part is unused and in its original packaging.
Return procedure for LMV118MFX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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