LMP7718MAE Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LMP7718MAE is a precision 88MHz CMOS operational amplifier from Texas Instruments with ultra-low 10fA input bias current and 1.8V single-supply operation in an 8-pin SOIC package. It achieves 94dB typical CMRR and 480µV maximum input offset voltage for high-accuracy signal conditioning. Suited for precision instrumentation and low-noise sensor front-ends requiring wide bandwidth.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LMP7718MAE Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 88MHz gain-bandwidth product enables precision amplification of fast analog signals up to tens of megahertz without bandwidth bottlenecks
- Ultra-low 10fA typical input bias current at 25°C minimizes loading errors on high-impedance sensors and photodiodes
- 1.8V minimum supply voltage supports single-cell and low-power rail operation in portable and IoT instruments
- 94dB typical CMRR with 83dB minimum rejects common-mode noise in differential sensor and bridge amplifier configurations
Applications
LMP7718MAE is designed for precision analog front-ends in medical instrumentation, industrial sensors, and data acquisition systems where low noise and wide bandwidth are both required. Its 10fA input bias current makes it ideal for high-impedance transducer interfaces such as photodiode amplifiers, pH electrodes, and piezoelectric sensor buffers. The 88MHz bandwidth and 1.8V supply compatibility also suit it for portable test equipment and battery-powered precision measurement systems.
Specifications
| YTEOL | 0 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0001 µA |
| Bias Current-Max (IIB) @25C | 0.00001 µA |
| Common-mode Reject Ratio-Min | 83dB |
| Common-mode Reject Ratio-Nom | 94dB |
| Frequency Compensation | YES |
| Input Offset Voltage-Max | 480 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e0 |
| Low-Bias | YES |
| Low-Offset | YES |
| Micropower | NO |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 235 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Nom | 32V/us |
| Supply Current-Max | 4.1mA |
| Supply Voltage Limit-Max | 6V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 88000 |
| Wideband | YES |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LMP7718MAE:
Amplifier, 2 Func, 480uV Offset-Max, CMOS, PDSO8
Frequently Asked Questions
How does LMP7718MAE's 10fA input bias current benefit high-impedance photodiode transimpedance amplifier circuits?
With a typical input bias current of 10fA at 25°C, the LMP7718MAE introduces negligible current-induced voltage error even across feedback resistors of 1MΩ to 100MΩ used in photodiode transimpedance stages. A 10fA current through a 10MΩ feedback resistor produces only 0.1µV of offset, well below the 480µV maximum input offset voltage specification, ensuring that the photodiode signal dominates over amplifier-induced errors in low-light optical sensing applications.
For a 1MHz signal conditioning chain running from a 3.3V supply, how much gain margin does LMP7718MAE's 88MHz GBW provide?
At a 1MHz signal frequency, LMP7718MAE's 88MHz gain-bandwidth product allows up to 88x closed-loop gain while maintaining unity loop gain at 88MHz. In practice, a gain of 40dB (100x) would yield a -3dB bandwidth of approximately 880kHz, still suitable for signals up to several hundred kilohertz. This margin gives designers flexibility to add gain stages without cascading additional amplifiers, simplifying the PCB and reducing power in 3.3V precision instrumentation chains.
How does LMP7718MAE compare to OPA2134 when selecting an op-amp for a 1.8V-powered portable ECG front-end?
The LMP7718MAE operates from 1.8V minimum supply, whereas OPA2134 requires at least 4.5V dual supply, making LMP7718MAE far better suited to single-cell lithium-ion powered ECG monitors. LMP7718MAE also provides 88MHz bandwidth against OPA2134's 8MHz, delivering superior performance for multiplexed ADC front-ends that must settle quickly. Its 10fA input bias current also better matches the high-impedance electrode interfaces in ECG applications compared to OPA2134's 10pA bias specification.
What CMRR does LMP7718MAE provide and why does it matter in a differential pressure sensor bridge interface?
LMP7718MAE achieves a typical CMRR of 94dB with a guaranteed minimum of 83dB, which means common-mode voltages at the bridge midpoint are attenuated by over 10,000x at the output. In a Wheatstone bridge pressure sensor excited by a 5V reference, common-mode interference of 100mV would appear as less than 10µV at the differential output, well below the 480µV offset floor. This level of CMRR enables accurate differential pressure measurement without additional differential filters or instrumentation amplifier stages.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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