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DS1859B-050 The DS1859B-050 is a dual, temperature-controlled, nonvolatile variable resistor from Analog Devices / Maxim Integrated. It offers 50k Ohm resistance with 256 positions and an I2C interface.
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DS1859B-050

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS1859B-050 is a dual, temperature-controlled, nonvolatile variable resistor from Analog Devices / Maxim Integrated. It offers 50k Ohm resistance with 256 positions and an I2C interface.
✓ Total Stock: 1,000 pcs

DS1859B-050 Available from 1 distributor

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1,000 pcs
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DS1859B-050 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Configuration
Features
Interface
Memory Type
Mounting Type
Number of Circuits
Number of Taps
Operating Temperature
Resistance
Resistance (Ohms)
Supplier Device Package
Tape & Reel
Taper
Temperature Coefficient (Typ)
Tolerance
Voltage
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DS1859B-050 Description

Short technical summary and product information.

The DS1859B-050 is a dual, temperature-controlled, nonvolatile variable resistor IC from Analog Devices / Maxim Integrated. It features two 50k Ohm linear, 256-position variable resistors, an internal direct-to-digital temperature sensor, and three analog monitor inputs. The device is accessible via a 2-wire serial bus and operates from a 3.3V or 5V supply.

 

Key electrical specifications include a resistance of 50k Ohms, 256 taps, and an I2C interface. It operates within a voltage range of 2.85V to 5.5V and has a temperature coefficient of 50ppm/°C. The device supports selectable addresses and includes alarm and warning flags for monitored channels.

 

Packaged in a 16-CSBGA, the DS1859B-050 is designed for surface mounting. Its operating temperature range is -40°C to +95°C. This component is suitable for applications such as optical transceivers, instrumentation, and RF power amplifiers where precise bias voltage and temperature compensation are required.

 

Environmental compliance includes RoHS3 compliance and an MSL of 1. The device is designed for reliable performance in demanding control applications.

DS1859B-050 Quick Information

Product Type: Digital Potentiometer
Canonical Name: DS1859B-050 Dual Temperature-Controlled Resistor
Subcategory: Digital Potentiometers

DS1859B-050 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS1859B-050 Features

  • Dual 50k Ohm temperature-controlled resistors.
  • 256 linear positions per channel.
  • Internal direct-to-digital temperature sensor.
  • I2C interface for control and monitoring.
  • Operates from 2.85V to 5.5V supply.

DS1859B-050 Applications

  • Ideal for optical transceivers.
  • Used in instrumentation controls.
  • Suitable for RF power amplifiers.
  • Supports diagnostic monitoring.

DS1859B-050 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance of the DS1859B-050?

The DS1859B-050 has a resistance of 50k Ohms.

How many taps does the DS1859B-050 have?

The DS1859B-050 features 256 taps.

What is the operating voltage range for the DS1859B-050?

The DS1859B-050 operates from a supply voltage of 2.85V to 5.5V.

What is the operating temperature range of the DS1859B-050?

The operating temperature range for the DS1859B-050 is -40°C to +95°C.

What interface does the DS1859B-050 use?

The DS1859B-050 uses an I2C interface.

What type of package is the DS1859B-050 in?

The DS1859B-050 is available in a 16-CSBGA package.

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