MAX5160-MAX5161: Low-Power Digital Potentiometers Data Sheet (Rev. 2a)2/1/2001251K
Features and Benefits
- 32 Tap Positions
- 50kΩ, 100kΩ, and 200kΩ Resistance Values
- 400Ω Wiper Resistance
- ±25% Resistance Tolerance
- 3-Wire Serial Data Input
- ±1LSB DNL
- ±0.5LSB INL
- 100nA Supply Current
- +2.7V to +5.5V Single-Supply Operation
- Power-On Reset: Wiper Goes to Midscale (position 16)
- ±2kV ESD Protection
- Small-Footprint Packages
- 6-Pin SOT23 (MAX5161)
- 8-Pin µMAX (MAX5160)
- Glitchless Switching Between the Resistor Taps
The MAX5160/MAX5161 linear-taper digital potentiometers perform the same function as a mechanical potentiometer or a variable resistor. They consist of a fixed resistor and a wiper contact with 32 tap points that are digitally controlled by three lines for the 8-pin MAX5160 or by two lines for the 6-pin MAX5161.
These parts are ideal for applications requiring digitally controlled resistors. Three resistance values are available for each part type: 50kΩ,100kΩ, and 200kΩ. A nominal resistor temperature coefficient of 50ppm/°C end-to-end and only 5ppm/°C ratiometric makes the MAX5160 ideal for applications requiring a low-temperature-coefficient variable resistor, such as low-tempco, adjustable-gain circuit configurations.
The MAX5160 is available in an 8-pin µMAX package, and the MAX5161 is available in a 6-pin SOT23 package. Both devices are guaranteed over the extended-industrial temperature range (-40°C to +85°C).
- LCD Screen Adjustment
- Mechanical Potentiometer Replacements
- Volume Control
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
MAX5161 Reliability Data1/12/202362K
Stack References for Higher Adjustable Voltages from a Digital Pot9/24/2008
Ratiometric Design Overcomes the 25% Tolerance of a Digital Potentiometer9/23/2008
SMBus I/O Expander Controls LCD Bias Voltage3/14/2005
Few Components Needed for an ESD-Protected Solid-State Potentiometer (EPOT) System with Two Pushbuttons12/5/2002
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