LMC6681BIN/NOPB Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The LMC6681BIN/NOPB is a single-supply, rail-to-rail input and output CMOS operational amplifier from Texas Instruments, optimized for low-voltage applications. It features ultra-low input bias current in the femtoampere range, wide supply voltage range, and is housed in a DIP package, making it ideal for precision analog signal conditioning and sensor interface circuits.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LMC6681BIN/NOPB Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LMC6681BIN/NOPB?
- Rail-to-rail input and output for maximum dynamic range on low supply voltages
- Ultra-low input bias current in the femtoampere range for high-impedance sources
- Single-supply CMOS op-amp compatible with 2.7V to 15.5V operation
- Dual-in-line (DIP) package for breadboard prototyping and through-hole assembly
- Lead-free and RoHS compliant (/NOPB suffix)
- Suitable for battery-powered precision analog circuit designs
What is LMC6681BIN/NOPB used for?
The LMC6681BIN/NOPB is used in precision sensor signal conditioning, photodiode amplifiers, and high-impedance instrumentation circuits where ultra-low bias current and rail-to-rail swing are essential. It is well suited for portable medical devices, environmental monitoring instruments, and single-supply analog data acquisition systems requiring accurate low-level signal amplification.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LMC6681BIN/NOPB datasheet?
LMC6681BIN/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LMC6681BIN/NOPB?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the supply voltage range for the LMC6681BIN/NOPB?
The LMC6681BIN/NOPB operates from a single supply voltage ranging from 2.7V to 10V, or from dual supplies of ±1.35V to ±5V, making it suitable for battery-powered and low-voltage applications.
What type of input bias current does the LMC6681BIN/NOPB have?
The LMC6681BIN/NOPB features ultra-low input bias current in the femtoampere range (typically 20 fA), which makes it ideal for high-impedance sensor interfaces and precision measurement circuits where leakage current must be minimized.
Is the LMC6681BIN/NOPB RoHS compliant?
Yes, the LMC6681BIN/NOPB is RoHS compliant and lead-free. The '/NOPB' suffix in the part number indicates that it is produced without lead (Pb), meeting environmental regulations for hazardous substances.
What package does the LMC6681BIN/NOPB come in?
The LMC6681BIN/NOPB is housed in an 8-pin Dual In-Line Package (DIP), which provides through-hole mounting convenience for prototyping and production environments where board space is less constrained.
What are typical applications for the LMC6681BIN/NOPB?
The LMC6681BIN/NOPB is commonly used in precision analog signal conditioning, photodiode amplifiers, pH electrode buffers, strain gauge amplifiers, portable instrumentation, and any application requiring rail-to-rail input/output operation with minimal input bias current.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit