MAX5405
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MAX5405

Dual, 256-Tap, Low-Drift, Digital Potentiometers in 10-µMAX

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Industry's Smallest Dual Digital Potentiometer

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Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $3.37
Features
  • 10-Pin µMAX Small Footprint Package
  • 256-Tap Positions
  • Ultra Low 0.1µA Supply Current
  • +2.7V to +5.5V Single-Supply Operation
  • Low End-To-End Temperature Coefficient: 35ppm/°C
  • Low Ratiometric Temperature Coefficient: 5ppm/°C
  • Power-On Reset: Wiper Goes to Midscale (Position 128)
  • Glitchless Switching Between Resistor Taps
  • 3-Wire SPI™-Interface Compatible
  • 10kΩ/50kΩ/100kΩ Resistor Values
Additional Details
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The MAX5403/MAX5404/MAX5405 is a family of dual linear taper digital potentiometers. Each device has one 3-terminal potentiometer and one 2-terminal variable resistor (Figure 1). The MAX5403/MAX5404/MAX5405 operate from +2.7V to +5.5V single-supply voltages and use an ultra-low supply current of 0.1µA. These devices also provide glitchless switching between resistors taps as well as a convenient power-on reset (POR) that sets the wiper to the midscale position at power-up. The potentiometer consists of a fixed resistor with a wiper contact that is digitally controlled through a 3-wire serial interface and has 256-tap points. It performs the same function as a discrete potentiometer or variable resistor.

These parts are ideal for applications requiring digitally controlled resistors. Three resistance values are available: 10kΩ (MAX5403), 50kΩ (MAX5404), and 100kΩ (MAX5405). A nominal resistor-temperature coefficient of 35ppm/°C end-to-end and 5ppm/°C ratiometric make the MAX5403/MAX5404/MAX5405 ideal for applications requiring low temperature-coefficient variable resistors, such as adjustable-gain circuit configurations.

The MAX5403/MAX5404/MAX5405 are available in a 10-pin µMAX® package. Each device is guaranteed over the extended industrial temperature range (-40°C to +85°C).

Applications

  • Adjustable Voltage Reference
  • Impedance Matching
  • LCD Screen Adjustment
  • Low-Drift Programmable Gain Amplifier (PGA)
  • Mechanical Potentiometer Replacement
  • Programmable Filters, Delays, Time Constant
  • Volume Control
Part Models 2
1ku List Price Starting From $3.37

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

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Mar 9, 2023

- 2276A

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PRODUCTION

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Jan 9, 2015

- 1481

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Product Lifecycle

PCN

Mar 9, 2023

- 2276A

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WAFER FAB

MAX5405EUB+

PRODUCTION

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PRODUCTION

Jan 9, 2015

- 1481

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WAFER FAB

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PRODUCTION

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