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Maxim产品 - DS1802介绍

DS1802 - 双路音量调节电位器，带有按钮控制

DS1802是Maxim美信半导体公司的一款光电产品产品，DS1802是双路音量调节电位器，带有按钮控制，本站介绍了DS1802的封装应用图解、特点和优点、功能等，并给出了与DS1802相关的Maxim元器件型号供参考。

DS1802 - 双路音量调节电位器，带有按钮控制 - 光电产品 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

Like the DS1801, the DS1802 consists of two 65-position, 45kΩ digital potentiometers with logarithmic resistance properties incrementing 1dB per step. It can be operated under automatic software control via a serial 3-wire interface where wiper settings are written with 8-bit words, or under pushbutton control with simple contact closure. The part can be used in either 3V or 5V environments and anywhere within the industrial temperature range of -40°C to +85°C. The DS1802 supports daisy-chaining with other devices under single-processor control.

In addition, the DS1802 features four contact closure points for pushbutton control. When combined with mode control, this allows eight different pushbutton control functions. Secondly, the DS1802's potentiometers can be controlled separately or in stereo mode control where wipers from both pots are positioned together from one control input.

The DS1802 provides high-performance audio volume and tone control in most applications where mechanical potentiometers are used, including CD players, guitar amplifiers, and sound boards. Digital potentiometers consume very low power while providing digital accuracy and reliability under flexible, automatic processor control.

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