LF411CDR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LF411CDR is a single JFET-input operational amplifier featuring ultra-low bias current of 200 pA and 3 MHz gain-bandwidth product in a compact 8-pin SOIC package. It provides a common-mode rejection ratio of up to 100 dB and operates from supply voltages up to plus-minus 18 V. Suited for precision signal conditioning and instrumentation designs requiring minimal input loading.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LF411CDR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5589(MOQ 205)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LF411CDR?
- Ultra-low input bias current of 200 pA enabling use in high-impedance sensor interfaces without signal loading errors
- 3 MHz gain-bandwidth product with voltage-feedback architecture for accurate amplification of audio and low-frequency measurement signals
- Wide supply voltage range up to 18 V and 100 dB common-mode rejection ratio for precision differential signal processing
What is LF411CDR used for?
The LF411CDR excels in precision instrumentation amplifiers, photodiode transimpedance front-ends, and data acquisition signal conditioning where the 200 pA bias current prevents loading of high-impedance sources. Its 3 MHz bandwidth and supply range up to 18 V also make it suitable for active filter designs, sample-and-hold circuits, and integrators in industrial measurement equipment.
What are the specifications of LF411CDR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Amplifier Type | OPERATIONAL AMPLIFIER |
| Architecture | VOLTAGE-FEEDBACK |
| Average Bias Current-Max (IIB) | 0.0002 µA |
| Bias Current-Max (IIB) @25C | 0.0002 µA |
| Common-mode Reject Ratio-Min | 70dB |
| Common-mode Reject Ratio-Nom | 100dB |
| Frequency Compensation | YES |
| Input Offset Current-Max (IIO) | 0.0001 µA |
| Input Offset Voltage-Max | 2000 µV |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Low-Bias | YES |
| Low-Offset | NO |
| Micropower | NO |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power | NO |
| Programmable Power | NO |
| Qualification Status | Not Qualified |
| Slew Rate-Min | 8V/us |
| Slew Rate-Nom | 13V/us |
| Subcategory | Operational Amplifier |
| Supply Current-Max | 3.4mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | JFET |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Unity Gain BW-Nom | 3000 |
| Voltage Gain-Min | 15000 |
| Wideband | NO |
| 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 |
| Country of Origin | Mainland China, Malaysia, Mexico, Taiwan |
Where can I find the LF411CDR datasheet?
LF411CDR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LF411CDR?
Compatible alternatives and drop-in replacements for LF411CDR:
Frequently Asked Questions
How does the 200 pA bias current of the LF411CDR benefit high-impedance sensor interfaces?
The LF411CDR's maximum input bias current of 0.0002 µA (200 pA) produces negligible voltage error even across source impedances in the megaohm range, making it ideal for photodiode, piezoelectric sensor, and pH electrode amplifier circuits where microamp-level bias would cause significant offset errors.
At what frequency does the LF411CDR maintain unity gain, and how does this affect active filter design?
The LF411CDR has a 3 MHz gain-bandwidth product, so it delivers unity gain up to approximately 3 MHz and useful gain for active Butterworth or Sallen-Key filters well into the audio band up to 100 kHz, making it a practical choice for anti-aliasing and signal conditioning stages in data acquisition systems.
Which supply configurations does the LF411CDR support for dual-supply versus single-supply operation?
The LF411CDR is rated for supply voltages up to 18 V per rail in dual-supply configuration, supporting a total supply span of 36 V well suited for industrial instrumentation 15 V rails; the JFET input stage performs optimally with a bipolar supply providing adequate headroom for the 100 dB CMRR specification.
How does the LF411CDR compare to a bipolar-input op-amp for precision integrator circuits?
The LF411CDR's JFET inputs provide 200 pA bias current, a dramatic reduction versus bipolar op-amp alternatives that lowers integration error over time in capacitor-based integrator circuits, allowing hold intervals to extend significantly before output drift exceeds 1 mV, critical for sample-and-hold and waveform generator designs operating at 3 MHz bandwidth.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 205+ | $0.9976 | $204.51 |
| 250+ | $0.9348 | $233.71 |
| 350+ | $0.8646 | $302.61 |
| 1000+ | $0.7482 | $748.20 |
| 10000+ | $0.6671 | $6671.00 |
| 100000+ | $0.5589 | $55890.00 |
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