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FAQ: Are the outputs of the AIC23 or AIC23B tri-stated (High impedance) at power up? Can they be put into high impedance?

Mike Caruso
Prodigy 155 points

Answer:
No, the output drivers of both devices are NOT Hi-Z at powerup nor can they be configured that way. The output drivers are, however, not powered up until the outputs are powered on by writing to the Power Down Control register.