DS1669 Digital Control Volume


This DS1669 circuit could be used for replacing your manual volume control. DS1669 are digital rheostats or potentiometers and provide 64 possible uniform tap points over the resistive range and are available in standard versions of 10K, 50K, and 100K ohms.The DS1669 can be controlled by either a mechanical–type contact closure input or a digital source input such as a CPU. With DS1669 circuit we can control digital the sound volume form an stereo audio amplifier .

DS1669  Digital Control Volume Circuit diagram


When the S1 and S2 is push we can modify the level of sound (up or down). This integrated circuit is manufactured by Dallas Semiconductor and it can be use like a potentiometer in many applications like : contrast adjustment for an LCD or for level sound control. This digital volume controller IC is manufactured in dip or soic footprint (8 pins) and can be supply with an voltage between 4.5 and 8 volts DC.

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