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DS1802

Dual Audio Taper Potentiometer With Pushbutton Control

DESCRIPTION TheDS1802isadualaudiotaper-potentiometerhavinglogarithmicresistivecharacteristicsoverthedevicerange.Eachpotentiometerprovides65wiperpositionswitha1dBincrementperstepanddevicemute.TheDS1802hastwomethodsofdevicecontrol,whichincludecontactclosu

DS1802

雙路音量調(diào)節(jié)電位器，帶有按鈕控制; ? Two digitally controlled, 65-position potentiometers \n? Ultra low-power consumption \n? Software and hardware controlled mute \n? Digital or mechanical pushbutton wiper control \n? Potentiometers can be linked for stereo control \n? Logarithmic resistive characteristics (1dB per step) \n? Zero-crossing detection to eliminate noise \n? Serial port communication \n? Can be daisy-chained for single-processor, multidevice designs \n? Operating temperature range: -40°C to +85°C \n? Operating voltage range: 3V or 5V \n? Resistance available: 45kΩ;

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.\nIn 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.

DS1802

Dual Audio Taper Potentiometer With Pushbutton Control

DS1802

Package：20-DIP（0.300"，7.62mm）；包裝：管件 類別：集成電路（IC） 數(shù)字電位計(jì) 描述：IC DGTL POT 45KOHM 65TAP 20DIP

DS1802E

Package：20-TSSOP（0.173"，4.40mm 寬）；包裝：管件 類別：集成電路（IC） 數(shù)字電位計(jì) 描述：IC DGTL POT 45KOHM 65TAP 20TSSOP

DS1802E/T&R

Package：20-TSSOP（0.173"，4.40mm 寬）；包裝：管件 類別：集成電路（IC） 數(shù)字電位計(jì) 描述：IC DGTL POT 45KOHM 65TAP 20TSSOP