DS1847
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DS1847

Dual Temperature-Controlled NV Variable Resistor

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Part Models 7
1ku List Price Starting From $3.93
Features
  • Two linear taper, temperature-controlled variable resistors
  • DS1847-050
    • One 50kΩ, 256 position
    • One 10kΩ, 256 position
  • DS1847-010
    • Two 10kΩ, 256 position
  • Resistor settings changeable every 2°C
  • Access to temperature data and device control via a 2-wire interface
  • Operates from 3V or 5V supplies
  • Packaging: 14-pin TSSOP, 16-ball CSBGA
  • Operating temperature: -40°C to +95°C
  • Programming temperature: 0°C to +70°C
Additional Details
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The DS1847 Dual Temperature-Controlled Nonvolatile (NV) Variable Resistor consists of two 256- position linear, variable resistors. The DS1847-050 consists of one 10kΩ and one 50kΩ, while the DS1847-010 consists of two 10kΩ resistors; both incorporate a direct-to-digital temperature sensor. The device provides an ideal method for setting and temperature-compensating bias voltages and currents in control applications using a minimum of circuitry.

The variable resistors settings are stored in EEPROM memory and can be accessed over the industry standard 2-wire serial bus. The value of each variable resistor is determined by a temperature-addressed look-up table, which can assign a unique value to each resistor for every 2°C increment over the -40°C to +95°C range. The output of the digital temperature sensor is also available as a 13-bit, 2's complement value over the serial bus. The interface I/O pins consist of SDA and SCL.

Part Models 7
1ku List Price Starting From $3.93

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Documentation

Technical Documents 21
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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
DS1847B-010+
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DS1847B-010+T&R
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DS1847B-050+
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DS1847B-050+T&R
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DS1847E-010+
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DS1847E-010+T&R
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DS1847E-050+
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Product Lifecycle

PCN

Dec 11, 2018

- 1754N

ASSEMBLY

DS1847E-050+

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Part Models

Product Lifecycle

PCN

Dec 11, 2018

- 1754N

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ASSEMBLY

DS1847E-050+

LAST TIME BUY

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