ob2500 chip is a receiving wake up chip, its parameter is the operating voltage range of 2V~6V, using 16-pin DIP and SOP package.
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ob2500 chip Receiving Wake up chip is a high-performance three-channel, ultra-low power ASK receiving chip, which can detect LF carrier frequency data in the range of 30KHz~300KHz and trigger wake up signal three independent channels inside can be configured into different wake up modes.