LMC6042AIM NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LMC6042AIM NOPB is a dual CMOS general-purpose operational amplifier from Texas Instruments with rail-to-rail output, up to 15.5 V single-supply operation, and a typical 1.4 MHz gain-bandwidth product. It features femtoampere-range input bias currents and is housed in an 8-pin SOIC package. Suitable for precision instrumentation, active filters, and high-impedance sensor interfaces in portable and industrial systems.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LMC6042AIM NOPB Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Rail-to-rail output swing maximizes dynamic range on supplies up to 15.5 V
- Femtoampere-range input bias current for ultra-high-impedance sensor interfaces
- 1.4 MHz typical gain-bandwidth product supporting audio and sensor-band filtering
- CMOS input stage with very high input impedance minimizes source loading
- Dual channel in compact SOIC-8 reduces board area versus two single op-amp packages
- RoHS-compliant NOPB (No Lead) finish for modern eco-design requirements
Applications
The LMC6042AIM NOPB is designed for precision buffering of charge-output sensors, piezoelectric transducers, and ion-selective electrodes where input bias currents in the femtoampere range eliminate sensor loading errors. Its 15.5 V supply range and rail-to-rail output make it versatile across battery-powered portable instruments and ±7.5 V split-supply laboratory equipment. Active Butterworth and Chebyshev filter stages in audio analyzers, data loggers, and medical ECG front ends also benefit from its combination of low bias current and adequate 1.4 MHz bandwidth.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LMC6042AIM NOPB:
Frequently Asked Questions
Why is the LMC6042AIM NOPB well suited for buffering a piezoelectric vibration sensor with a 10 GΩ source impedance?
With femtoampere-level input bias current, the LMC6042AIM NOPB introduces essentially zero resistive loading error even across a 10 GΩ source — the bias-current offset is below 10 µV, orders of magnitude smaller than the millivolt-level signals produced by typical piezoelectric sensors. This allows the amplifier to accurately transfer the charge-induced voltage without the signal droop or DC error that would result from using a standard JFET or CMOS op-amp with nanoampere bias currents at room temperature.
How does the 15.5 V supply range of the LMC6042AIM NOPB fit into a dual ±7.5 V bench instrument design?
The LMC6042AIM NOPB can be powered directly from ±7.5 V split supplies (total 15 V, within the 15.5 V limit), delivering a rail-to-rail output swing of approximately ±7.4 V and supporting signal processing for precision analog front ends in benchtop instruments without level-shift circuitry. The dual channel in a single SOIC-8 package lets a designer build a 2-channel buffer or a 2nd-order filter using both amplifiers, saving one IC slot on the 100 mm × 80 mm typical instrument main board.
How does the LMC6042AIM NOPB compare with the LMC6042IM when selecting parts for a green-certified product?
The LMC6042AIM NOPB carries the NOPB (No Lead / No PB) suffix confirming a Pb-free, RoHS-compliant tin-silver-copper solder finish, while the LMC6042IM uses a standard tin-lead finish that does not satisfy RoHS Directive 2011/65/EU as updated. Both devices share the same 1.4 MHz bandwidth, rail-to-rail output, 15.5 V supply range, and SOIC-8 footprint, so the NOPB variant is a direct functional replacement that satisfies EU and California Prop-65 compliance requirements without any PCB or firmware changes.
Related Guides
AMC1202DWVR Reinforced Isolated Amplifier Selection Guide: AMC1202, AMC1302, AMC3302, AMC1311 Compared
How to choose the right TI AMCxxxx reinforced isolated amplifier for motor drives, BMS, and SiC inverters — covering input range, DC/DC integration, CMTI, and precision.
Jun 13, 2026
How to Choose a Capacitance-to-Digital Converter: AD774x Selection Guide
Compare the AD7745, AD7746, and AD7747 CDC ICs. Learn how to select the right Analog Devices capacitance-to-digital converter for your precision sensing design.
Jun 13, 2026
How to Choose Samsung CL32B226KAJNNNE 22uF 25V X7R 1210 MLCC: Selection Guide for Decoupling and Bulk Capacitance
Complete selection guide for the Samsung CL32B226KAJNNNE 22uF 25V X7R 1210 MLCC: DC bias derating, temperature stability, ESR, and AEC-Q200 compliance for industrial decoupling applications.
Jun 12, 2026
How to Choose Samsung CL05A106MP5NUNC 10uF 10V X5R 0402 MLCC: Selection Guide for Compact Decoupling
Complete selection guide for Samsung CL05A106MP5NUNC 10uF 10V X5R 0402 MLCC: DC bias derating, package tradeoffs, and sourcing tips for compact decoupling.
Jun 12, 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.”