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Features
- Wiper Position Stored in Nonvolatile Memory and Recalled Upon Power-Up
- 16-Pin, 5mm x 5mm x 0.8mm TQFN Package
- 35ppm/°C End-to-End Resistance Temperature Coefficient
- 5ppm/°C Ratiometric Temperature Coefficient
- 10kΩ and 50kΩ End-to-End Resistor Values
- 3-Wire SPI-Compatible Serial Interface
- Reliability (TA = +85°C)
- 50,000 Wiper Store Cycles
- 50 Years Wiper Data Retention
- 1.5µA (max) Standby Current
- Single +2.7V to +5.25V Supply Operation
- Dual ±2.5V Supply Operation
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The MAX5494–MAX5499 10-bit (1024-tap), dual, nonvolatile, linear-taper, programmable voltage-dividers and variable resistors perform the function of a mechanical potentiometer, but replace the mechanics with a 3-wire SPI™-compatible serial interface. The MAX5494/MAX5495 are dual, 3-terminal, programmable voltage-dividers; the MAX5496/MAX5497 are dual, 2-terminal variable resistors; and the MAX5498/MAX5499 include one 2-terminal variable resistor and one 3-terminal programmable voltage-divider.
The MAX5494–MAX5499 feature an internal, nonvolatile, electrically erasable programmable read-only memory (EEPROM) that stores the wiper position for initialization during power-up. The 3-wire SPI-compatible serial interface allows communication at data rates up to 7MHz.
The MAX5494–MAX5499 are ideal for applications requiring digitally controlled potentiometers. End-to-end resistance values of 10kΩ and 50kΩ are available with a 35ppm/°C end-to-end temperature coefficient. The ratiometric temperature coefficient is 5ppm/°C for each channel, making these devices ideal for applications requiring low-temperature-coefficient programmable voltage-dividers such as low-drift, programmable-gain amplifiers.
The MAX5494–MAX5499 operate with either a single power supply (+2.7V to +5.25V) or dual power supplies (±2.5V). The devices consume 400µA (max) of supply current when writing data to the nonvolatile memory and 1.5µA (max) of standby supply current. The devices are available in space-saving (5mm x 5mm x 0.8mm), 16-pin TQFN package and are specified over the extended (-40°C to +85°C) temperature range.
Applications
- Gain and Offset Adjustment
- LCD Contrast Adjustment
- Low-Drift Programmable-Gain Amplifiers
- Mechanical Potentiometer Replacement
- Pressure Sensors
- Volume Control
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MAX5499
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MAX5494-MAX5499: 10-Bit, Dual, Nonvolatile, Linear-Taper Digital Potentiometers Data Sheet (Rev.2)
Documentation
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX5499ETE+ |
16-LFCSP-5X5X0.75
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- MAX5499ETE+
- Pin/Package Drawing
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16-LFCSP-5X5X0.75
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Material Declaration
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HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
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Product Lifecycle
PCN
Jun 20, 2016
- 1612
ASSEMBLY
MAX5499ETE+
PRODUCTION
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Jun 20, 2016
- 1612
ASSEMBLY
Evaluation Kits 1
MAX5498EVKIT
Evaluation Kit for the MAX5494, MAX5495, MAX5496, MAX5497, MAX5498, and MAX5499
Features and Benefits
- 2.7V to 5.25V Single-Supply Operation
- Power-On Recall of Wiper Position from Nonvolatile Memory
- On-Board USB Interface Circuit
- USB Powered
- USB-PC Connection (Cable Included)
- PCB Pads for User-Supplied Microcontroller Interface Signals
- Labeled Test Points for Potentiometer Signals (L, W, and H)
- Proven USB-Compatible PCB Layout
- Evaluates MAX5494–MAX5499
- Windows 2000/XP- and Windows Vista (32-Bit)-Compatible Software
- Lead(Pb)-Free and RoHS Compliant
- Fully Assembled and Tested
Product Detail
The MAX5498 evaluation kit (EV kit) is an assembled and tested PCB that demonstrates the MAX5498 10-bit (1024-tap), dual, nonvolatile, SPI™-interface, linear-taper digital potentiometer. Windows® 2000/XP- and Windows Vista®-compatible software provides a handy user interface to exercise the features of the MAX5498.
The EV kit can also be used to evaluate the MAX5494, MAX5495, MAX5496, MAX5497, or MAX5499. The MAX5494/MAX5495 provide two programmable voltage-dividers, the MAX5496/MAX5497 provide two variable resistors, and the MAX5498/MAX5499 provide one programmable voltage-divider and one variable resistor. The MAX5494/MAX5496/MAX5498 devices have 10kΩ end-to-end resistance and the MAX5495/MAX5497/MAX5499 devices have 50kΩ end-to-end resistance. To evaluate the MAX5494–MAX5497 or MAX5499, request a free sample (ETE+ suffix) along with the MAX5498 EV kit.
Applications
- Gain and Offset Adjustment
- LCD Contrast Adjustment
- Low-Drift Programmable-Gain Amplifiers
- Mechanical Potentiometer Replacement
- Pressure Sensors
- Volume Control