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Texas Instruments LMP7707MFX/NOPB
- Part No.:
- LMP7707MFX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LMP7707MFX/NOPB.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:4,796
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Product details
Overview
LMP7707MFX/NOPB from Texas Instruments is a single-channel, decompensated, precision CMOS-input operational amplifier with rail-to-rail input and output, ±200 µV max input offset voltage, 9 nV/√Hz input voltage noise, and stable operation at gain ≥6. It operates from 2.7 V to 12 V supply and supports −40°C to +125°C industrial temperature range - ideal for high-impedance sensor interface in battery-powered instrumentation.
For engineers reviewing the LMP7707MFX/NOPB datasheet, LMP7707MFX/NOPB pinout, LMP7707MFX/NOPB application, or LMP7707MFX/NOPB equivalent, key selection criteria include guaranteed low input bias current (±200 fA), rail-to-rail swing within 40 mV of rails at 2 kΩ load, decompensated stability constraints, and SOT-23-5 package compatibility with space-constrained PCB layouts.
Technical Context
The LMP7707MFX/NOPB uses VIP50 CMOS process technology to achieve ultra-low input bias current while maintaining wide 2.7 V–12 V supply range and rail-to-rail common-mode input capability. Its decompensated architecture delivers 14 MHz gain bandwidth product at AV = 10 but requires minimum closed-loop gain of 6 for stability.
Input stage trimming minimizes CMRR glitches across rail-to-rail input range, and output stage drives within 40 mV of either supply rail under 2 kΩ load. Open-loop gain exceeds 130 dB, and CMRR reaches 130 dB at 0 V–5 V common-mode range - enabling accurate DC-coupled amplification in precision signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | ±200 µV (max) - ensures ≤0.5 mV error in 2.5 V full-scale 12-bit systems without trimming |
| Input Bias Current | ±200 fA (typ) - enables use with >1 GΩ source impedances without significant DC error |
| Gain Bandwidth Product | 14 MHz at AV = 10 - supports 10× gain amplification up to ~1.4 MHz with <45° phase margin |
| Supply Voltage Range | 2.7 V to 12 V - operates from single Li-ion cell (3.0 V) up to dual-supply ±5 V or unipolar 10 V rails |
| Output Swing (2 kΩ) | Within 40 mV of V+ and V− - maximizes dynamic range in low-voltage 3.3 V or 5 V systems |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - contributes <1.8 µV RMS noise in 10 kHz bandwidth, critical for sensor front-ends |
| CMRR | 130 dB (min) - rejects >3.16 MV/V common-mode interference, essential for differential sensing |
Pinout & Package
Package: 5-pin SOT-23 (DBV), 2.9 mm × 1.6 mm footprint, surface-mount, moisture sensitivity level 1.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (IN−) | High-impedance CMOS node; connects to feedback network in inverting configurations |
| 2 | Non-Inverting Input (IN+) | High-impedance CMOS node; accepts high-Z sensor signals or reference voltages |
| 3 | Output (OUT) | Rail-to-rail capable output; drives loads down to 2 kΩ while maintaining 40 mV headroom |
| 4 | Ground / Negative Supply (V−) | Reference for negative rail in single-supply (0 V) or dual-supply (e.g., −5 V) operation |
| 5 | Positive Supply (V+) | Accepts 2.7 V–12 V; supplies internal biasing and output stage; decoupling required near pin |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Full input range from V− to V+, output swing to within 40 mV of both rails at 2 kΩ - preserves signal fidelity in low-voltage systems |
| Ultra-low input bias current | ±200 fA typical - eliminates loading error on high-impedance pH electrodes, photodiodes, or piezoelectric sensors |
| Low input voltage noise | 9 nV/√Hz at 1 kHz - enables sub-µV-level resolution in precision weigh scales and medical ECG front-ends |
| Wide supply range | 2.7 V to 12 V - supports direct connection to Li-ion, USB 5 V, or industrial 10 V rails without regulators |
| High CMRR & PSRR | 130 dB CMRR, ≥98 dB PSRR - maintains accuracy in noisy environments like motor drives or switching power supplies |
Applications
| High-Impedance Sensor Interface | Battery-Powered Instrumentation |
|---|---|
Use Scenario: Amplifying output of a 10 GΩ glass pH electrode in portable water quality tester. IC Role / Device Role / Timing Role: Precision DC-coupled buffer and gain stage with minimal input loading. Use Value: ±200 fA bias current prevents electrode polarization; rail-to-rail I/O captures full 0–14 pH range at 3.3 V supply. |
Use Scenario: Signal conditioning in handheld multimeter measuring µA-level leakage currents. IC Role / Device Role / Timing Role: Low-power transimpedance amplifier converting picoamp currents to measurable voltage. Use Value: 715 µA supply current extends battery life; 9 nV/√Hz noise enables resolution below 100 nV in 10 Hz bandwidth. |
| DAC Output Buffer | Active Filters |
Use Scenario: Driving 12-bit DAC output into 10 kΩ load in programmable voltage source. IC Role / Device Role / Timing Role: Unity-gain stable buffer isolating DAC from variable load impedance. Use Value: Rail-to-rail output ensures full 0–VREF swing; 130 dB open-loop gain minimizes gain error to <0.001%. |
Use Scenario: Second-order Sallen-Key low-pass filter (10 kHz cutoff) in audio anti-aliasing path. IC Role / Device Role / Timing Role: High-precision gain block with controlled phase response. Use Value: 14 MHz GBWP supports filter Q-factor up to 10 without peaking; low THD+N (0.024%) preserves signal purity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA333AIDBVR | Fully compensated; unity-gain stable; 17 µV max VOS; 0.75 µA IS; 0.65 µVPP noise (0.1–10 Hz) | Supports gain = 1 without external compensation; lower VOS but higher supply current and noise in DC-critical apps | Choose OPA333AIDBVR when unity-gain stability is mandatory and ultra-low VOS outweighs noise and power penalties. |
| ADA4522-1ARZ | Zero-drift architecture; 2.5 µV max VOS; 0.0001 µV/°C TCVOS; 1.2 mA IS; 5.8 nV/√Hz noise | Eliminates drift-induced errors over temperature/time; higher power and cost; not decompensated | Choose ADA4522-1ARZ for long-term DC stability in calibration equipment where drift dominates error budget. |
Compared with OPA333AIDBVR and ADA4522-1ARZ, the LMP7707MFX/NOPB offers superior input bias current (200 fA vs. 200 pA/10 pA) and lower noise at 1 kHz, making it optimal for high-Z, AC-coupled sensor interfaces where decompensated gain ≥6 is acceptable.
Availability
LMP7707MFX/NOPB is available at Aetrix Electronics and suitable for high-impedance sensor interface, battery-powered instrumentation, and DAC buffering requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for LMP7707MFX/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 specializing in analog and embedded processing technologies, with decades of precision amplifier innovation and broad industrial qualification.
The LMP™ precision amplifier family - including LMP7707MFX/NOPB - was designed for high-accuracy, low-power signal conditioning in sensor interfaces, portable test equipment, and industrial measurement systems.
FAQ
What is the minimum stable gain for LMP7707MFX/NOPB?
The LMP7707MFX/NOPB is decompensated and specified stable only at closed-loop gains of 6 or higher. Attempting unity-gain or gain-of-2 configurations may cause oscillation or excessive overshoot. For gain <6, external compensation (e.g., capacitor across Rf) is required - refer to Figure 45 in the TI SNOSAW5B datasheet for isolation resistor guidance with capacitive loads.
Does LMP7707MFX/NOPB support rail-to-rail input at 2.7 V supply?
Yes, LMP7707MFX/NOPB maintains rail-to-rail input common-mode range from V− to V+ across its full 2.7 V–12 V supply range, including at 2.7 V. The datasheet confirms CMVR = −0.2 V to 3.2 V (with V+ = 3 V), meaning it accepts inputs within 200 mV of either rail - critical for low-voltage sensor interfacing.
What is the maximum capacitive load LMP7707MFX/NOPB can drive directly?
LMP7707MFX/NOPB is not optimized for heavy capacitive loads. Driving >100 pF directly risks instability. TI recommends using an isolation resistor (RISO) between the output and capacitive load - values from 10 Ω to 100 Ω typically restore stability while preserving bandwidth and output swing, as shown in Figure 45 of the SNOSAW5B datasheet.
Is LMP7707MFX/NOPB qualified for automotive applications?
No, LMP7707MFX/NOPB is rated for industrial temperature range (−40°C to +125°C) but is not AEC-Q200 qualified. It lacks automotive-specific reliability testing, failure-in-time (FIT) data, and extended temperature screening. For automotive use, consider TI's TLVx376 or OPAx376-Q1 series instead.
How does input bias current of LMP7707MFX/NOPB compare to standard CMOS op-amps?
LMP7707MFX/NOPB specifies ±200 fA typical input bias current - two orders of magnitude lower than most general-purpose CMOS op-amps (e.g., TLC2272: ±1 pA). This enables reliable operation with source impedances exceeding 10 GΩ, such as in electrochemical sensors or high-value RC timing networks, without introducing measurable offset error.
LMP7707MFX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LMP®, PowerWise®
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5.9V/µs
- Gain Bandwidth Product:
- 15 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 37 µV
- Current - Supply:
- 790µA
- Current - Output / Channel:
- 86 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
LMP7707MFX/NOPB FAQ
1.How can I place an order for LMP7707MFX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LMP7707MFX/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 LMP7707MFX/NOPB reliable?
The price and inventory of LMP7707MFX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LMP7707MFX/NOPB is usually 5 days.
3.What payment methods are accepted for LMP7707MFX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LMP7707MFX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LMP7707MFX/NOPB?
LMP7707MFX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LMP7707MFX/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 LMP7707MFX/NOPB?
For technical support, including LMP7707MFX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LMP7707MFX/NOPB requirements.
6.How does Aetrix verify that LMP7707MFX/NOPB is sourced from the original manufacturer or authorized distributors?
All LMP7707MFX/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 LMP7707MFX/NOPB meets industry standards.
7.What is the process for return or replacement of LMP7707MFX/NOPB?
All LMP7707MFX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LMP7707MFX/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 LMP7707MFX/NOPB part is unused and in its original packaging.
Return procedure for LMP7707MFX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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