扩展标准I2C总线器件，无需担心偏移电压 NXP I2C-bus extender P82B715 in a proven application Extend standard I2C-bus devices without worrying about offset voltages This analog bipolar IC lets you retain all the features of the standard I2C-bus while easily extending its communication distance to 30 m or 3000 pF, well beyond the limits of the standard 400-pF bus. Key features The NXP P82B715 extends the reach of the I2C-bus. It increases 4 Dual, bidirectional, unity-voltage gain buffer the drive capability of the data (SDA) and the clock (SCL) lines 4 Requires ……