LM6181IN/NOPB Texas Instruments In Stock
LM6181IN/NOPB is a high-speed current-feedback operational amplifier by Texas Instruments. Key specs: 100MHz bandwidth, 2000V/µs slew rate, ±15V supply range. Available in stock worldwide with competitive pricing for video and signal conditioning designs.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100MHz gain-bandwidth and 2000V/µs slew rate enable high-speed signal amplification in video and RF applications
- Current-feedback architecture maintains consistent bandwidth at varying closed-loop gains, unlike voltage-feedback amplifiers
- Wide ±15V supply range supports high dynamic-range signal paths in professional audio and instrumentation equipment
- 8-pin DIP package allows breadboard prototyping and easy through-hole assembly for lab and industrial designs
Applications
The LM6181IN/NOPB is used in video distribution amplifiers and cable drivers where high slew rate and wide bandwidth are needed to faithfully transmit analog video signals. Its current-feedback topology makes it suitable for active filter designs and ADC input buffer stages in data acquisition systems. It also appears in RF signal conditioning, pulse amplifiers, and test equipment requiring fast transient response.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What bandwidth and slew rate does LM6181IN/NOPB provide for video amplifier designs?
The LM6181IN/NOPB delivers approximately 100MHz bandwidth and a slew rate of 2000V/µs, enabling it to amplify composite video and high-definition analog signals without distortion. These specs make it capable of driving 75-ohm coaxial cables across multiple video outputs while maintaining signal integrity at full bandwidth.
How does the current-feedback architecture of LM6181IN/NOPB differ from a standard voltage-feedback op-amp?
In a current-feedback amplifier like the LM6181IN/NOPB, bandwidth is relatively independent of closed-loop gain, so you can use higher gain settings without significant bandwidth reduction compared to a voltage-feedback design. This makes it advantageous in gain-of-10 or higher signal stages where a voltage-feedback amplifier would lose most of its 100MHz bandwidth.
What supply voltage range does LM6181IN/NOPB support and how does it affect dynamic range?
The LM6181IN/NOPB operates on supplies up to ±15V, giving it a total supply span of 30V. This wide supply range supports high output swing and broad dynamic range, enabling the amplifier to handle signals with peak-to-peak amplitudes of 20V or more, which is valuable in professional audio, instrumentation, and industrial signal conditioning applications.
What package does LM6181IN/NOPB use and is it compatible with standard prototyping tools?
The LM6181IN/NOPB is housed in an 8-pin DIP (Dual Inline Package), which has a standard 2.54mm pin pitch fully compatible with breadboards, through-hole PCBs, and DIP sockets. This makes it easy to prototype amplifier circuits in the lab before committing to a final surface-mount layout using equivalent SOIC variants.
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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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