HJV324

HJV324 is a quad operational amplifier featuring rail-to-rail input and output, voltage feedback, and low power consumption. It offers a wide input common-mode voltage range and an extended output swing; its minimum operating voltage can be as low as 2.1 V, while the recommended maximum operating voltage is 5.5 V. It is suitable for various compact or portable stereo audio applications.
A power‑amplifying operational amplifier is implemented within the device. The HJV324 delivers a gain–bandwidth product of 1 MHz while consuming approximately 45 μA per op‑amp channel. It features an extremely low input bias current—on the order of 10 pA—making it suitable for integration in photodiode amplifiers and piezoelectric sensor circuits. Rail‑to‑rail input and output buffers are also employed in specific integrated‑circuit designs for single‑supply systems. Applications of this amplifier family include signal processing and interfacing in safety monitoring, portable devices, battery and power‑supply management, and low‑power sensor systems.

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