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Stock Status: 114367


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  • Encapsulation: SOP
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  • ≥10: US $0.83201 US $0.74880
  • ≥100: US $0.78233 US $0.70410


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Utsource is a global electronic components online service platform, where many outstanding suppliers are gathered. Utsource provide the FBU (Fulfillment by Utsource) service, it is an integrated service for SME(Small and medium enterprises) users. Features: high efficiency, high speed, safety and convenience.

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The DS1669 Dallastat is a digital rheostat or potentiometer. This device provides 64 possible uniform tap

points over the entire resistive range. The standard resistive ranges are 10 kΩ, 50 kΩ, and 100 kΩ.The Dall

astat can be controlled by either a switch contact closure input or a digital source input such as a CPU. W

iper position is maintained in the absence of power through the use of a EEPROM memory cell array. The

EEPROM cell array will withstand more than 50,000 writes.The DS1669 is offered in two standard IC packag

es which include an 8-pin 300-mil DIP and an 8-pin 208-mil SOIC. The DS1669 can be configured to operat

e using a single pushbutton, dual pushbutton or digital source input by varying power-on conditions. This

is illustrated in Figures 1 and 2. The DS1669 pinouts allow access to both ends of the potentiometer R , R

and the wiper, R . Control inputs include the digital source input, D, the up contact input, UC, and the dow

n contact input, DC. Other pins include the positive, +V, and negative, -V, supply inputs. The DS1669 is spe

cified o operate from -40°C to+85°C.


  • Replaces mechanical variable resistors

  • Electronic interface provided for digital as well as manual control

  • Wide differential input voltage range between 4.5 and 8 volts

  • Wiper position is maintained in the absence of power

  • Low-cost alternative to mechanical controls

  • Applications include volume, tone, contrast,

  • brightness, and dimmer control

  • Available in 8-pin SOIC and 8-pin DIP packages

  • Standard resistance values for Dallastat:

    -DS1669-10 ~ 10 kΩ

    -DS1669-50 ~ 50 kΩ

    -DS1669-100 ~ 100 kΩ

  • Operating Temperature Range

  • Industrial: -40°C to +85°C

  • DS1669's pdf picture 1
  • DS1669's pdf picture 2
  • DS1669's pdf picture 3

Click to view the PDF >>

Reviews More>>

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    Received the packet very fast in Good condition. Keep it up Utsource.



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    I needed this CCD sensor to upgrade an old astronomical telescope camera.Couldn′t find Better price for this sensor than Utsource offers.
    It worked nicely



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    Everything is great



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    Your service is perfect!!! Good quality of parts, good package the psrts! All is worked. In the future I will order the parts from your company. Thank's!


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    Fast shipping, excellent communication. Thanks.

    Czech Republic


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