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HMC688LP4ETR is listed in the RF Mixers range at ChipApex. The manufacturer field lists Hittite. Its product description is BICMOS MMIC MIXER WITH INTEGRATE. Review the specifications below when checking this part for your BOM.
The HMC688LP4ETR is a BiCMOS MMIC mixer with an integrated local oscillator (LO) buffer, designed for RF applications in the 2 GHz to 2.7 GHz frequency range. It operates within a supply voltage range of 3V to 5V and draws a typical supply current of 140 mA. The device is housed in a 24-lead VFQFN exposed pad package measuring 4 mm by 4 mm, suitable for surface-mount technology.
Verify the specific suffix 'ETR' indicates tape-and-reel packaging when sourcing components. Confirm that the 24-VFQFN exposed pad footprint matches your PCB layout requirements. Ensure the selected variant aligns with the required 2 GHz to 2.7 GHz operational bandwidth for your specific application design.
Select this component for designs requiring an integrated LO buffer to reduce external passive components. Consider the 140 mA supply current for power budget calculations. The 4x4 mm package size offers a compact solution for space-constrained RF modules operating in the specified microwave frequency range.
This part belongs to the Hittite (now Analog Devices) family of RF mixers. It is specifically engineered for wireless infrastructure applications, combining the mixer core with an LO driver in a single monolithic microwave integrated circuit (MMIC) to enhance system integration and performance stability.
Public confirmed substitute part numbers are not available in the provided documentation.
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