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DS1844
四路数字电位器


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概述
完整的数据资料 (PDF, 272kB)
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The DS1844 Quad Digital Potentiometer combines four 64-position potentiometers for simultaneous control over four parameters. It is available with standard resistance values of 10kΩ, 50kΩ, and 100kΩ for all four potentiometers, or with mixed values within one DS1844.

The quad potentiometer is intended for any application requiring multiple controls, including voltage, current, audio volume and tone, or LCD contrast and brightness levels. The DS1844 operates in power environments ranging from 2.7V to 5.5V and in industrial thermal environments of -40°C to +85°C.

Digital potentiometers replace mechanical parts with digital accuracy, reliability, and the capability for automatic processor control.

关键特性
  • Four independent, digitally controlled 64-position potentiometers
  • Two interface control options:
    • 5-wire serial
    • 2-wire addressable
  • Standard resistance values: 10kΩ, 50kΩ, 100kΩ
  • Mixed resistor combinations available
  • Operating ranges:
    • 2.7V to 5.5V
    • -40°C to +85°C

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) Smallest Available Package (max w/pins) (mm2) Price**
DS1844  Linear 4 2-Wire or 5-Wire Serial Volatile 64 10
50
100
20 750 400 40 45 $2.26 @ 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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    2005-06-02
    本页最后一次更新: 2007-07-25


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