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DS1803
可编址、双路数字电位器


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概述
完整的数据资料 (PDF, 304kB)
英文 Download this datasheet in PDF format下载

The DS1803 addressable dual digital potentiometer features two independently controlled 256-position potentiometers. Device control is achieved through a 2-wire serial interface. Three address pins allow up to 8 DS1803's to share the same 2-wire interface. The exact wiper position of each potentiometer can be written or read. The DS1803 is available in a 16-pin DIP, 16-pin SO, and 14-pin TSSOP package. The device is available in three standard resistance values: 10kΩ, 50kΩ, and 100kΩ and is specified over the industrial temperature range.

关键特性
  • 3V or 5V Operation
  • Ultra-Low Power Consumption
  • Two Digitally Controlled, 256- Potentiometers
  • 14-Pin TSSOP (173 mil) and 16- mil) Packaging Available for Surface- Applications
  • Addressable Using 3 Address
  • 2-Wire Serial Interface
  • Operating Temperature Range:
    • Industrial: -40°C to +85°C
  • Standard Resistance Values:\x02
    • DS1803-010 10kΩ
    • DS1803-050 50kΩ
    • DS1803-100 100kΩ

Key Specifications:   Digital Potentiometers
Part Number Taper POTs Per Pkg. Control Interface Wiper Memory Number of Steps End-to-End Resistance (kΩ) Res. Tol. (%) Temp. Coeff. (typ)(ppm/°C) Wiper Resistance (typ) (Ω) Max. Idle State Supply Current @5V (µA) Supply Voltage (V) RoHS Available Package Smallest Available Package (max w/pins) (mm2) Price**
DS1803  Linear 2 2-Wire Addressable Volatile 256 10
100
50
20 750 400 40 2.7 to 5.5 Yes PDIP/16
SOIC/16
TSSOP/14
33 $2.10 @ 1k
See All Digital Potentiometers (121)
Notes:
**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    2006-11-09
    本页最后一次更新: 2007-07-25




             


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