National Semiconductor LMH6645 46 47 2.7V, 650µA, 55MHz, Rail-to-Rail Input and Output Amplifiers with Shutdown Option
Summary
These high-speed, low-power operational amplifiers provide exceptional performance in miniature electronics and portable devices. Featuring rail-to-rail input/output, 55MHz bandwidth, and ultra-low shutdown current, the LMH6645/46/47 series operates reliably down to 2.7V. This manual serves as a comprehensive technical guide for design engineers, detailing electrical specifications, maximizing efficiency in multiplexing and active filters, and providing detailed application data necessary for optimal circuit integration.
Manual Details
| Brand | National |
|---|---|
| Pages | 19 |
| File Size | 627.36 KB |
| Published | May 27, 2026 |
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Frequently Asked Questions
What is the wide operating voltage range for this amplifier?
The device supports a supply voltage range of 2.5V to 12V, enabling low voltage operation.
Does the part offer power-saving shutdown options?
Yes, the LMH6647 provides micro-power shutdown capability with a turn-off current less than 50μA.
What are the physical package options available?
Packages include SOT23, SOIC-8, and MSOP-8 to accommodate various board area needs.
What bandwidth should I expect from this amplifier?
The device offers a high -3dB bandwidth reaching up to 55MHz for high-speed applications.