TDA7721
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STMicroelectronicsBrandedTDA7721Integrated circuit electronic chips use1Encapsulated, with a working temperature range of-40°C ~ 85°C（TA）,The voltage is4.5V ~ 13V,use28-TSSOP（0.173"，4.40mm 宽）Packaging technology，nowTDA7721Chip inventory is17821individual。
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