DS1802 - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DS1802
Manufacturer

Maxim Integrated
ChipWorker Part#

CW78644450
Category

Digital Potentiometer IC
Package

PDIP-20
Description

Digital Potentiometer 64POS 45KΩ Dual 20Pin PDIP N
Documentation

Datasheet

DS1802 Global Supplier

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DS1802 Specifications

Attribute	Attribute Value

Part Number	DS1802
Manufacturer	Maxim Integrated
ChipWorker Part#	CW78644450
Category	Digital Potentiometer IC
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	20 Pin
Case/Package	PDIP-20
Supply Voltage (DC)	2.70V (min)
Capacitance Tolerance	±20 %
Number of Circuits	2 Circuit
Resistance	45 kΩ
Resistance Tolerance	±20 %
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.7V ~ 5.5V
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Size-Length	26.54 mm
Size-Width	8.26 mm
Size-Height	4.572 mm
Operating Temperature	-40℃ ~ 85℃
Temperature Coefficient	±750 ppm/℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead

Product Description

Description
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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