MAX5497ETE+ by Analog Devices

10-Bit, Dual, Nonvolatile, Linear-Taper Digital Potentiometers


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.

Where to Buy

Prices starting from US$5.23

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Newark Electronics
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Avnet Asia
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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
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

Specifications

Steps 1024
# Potentiometers 2
Control Interface 3-Wire Serial SPI
Taper Linear
Wiper Memory Non-Volatile
REND-TO-END (kΩ) 50
Res. Tol. (%) 25
Temp. Coeff. (ppm/°C) (typ) 35
ICC @5V (µA) (max) 1.5
Package/Pins TQFN/16
BudgetaryPrice (See Notes) 4.62


MAX5497ETE+ Semiconductors - ICs by Analog Devices

DIGITAL POT 50K DUAL TQFN-16

Status: Unknown
Series: Dual 1024-Tap Non-Volatile Digital Pots
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

End To End Resistance 50kohm
No. of Pots Dual
Control Interface SPI
Track Taper Linear
Resistance Tolerance ± 25%
Supply Voltage Min 2.7V
Supply Voltage Max 5.25V
Potentiometer IC Case Style TQFN
No. of Pins 16Pins
No. of Steps 1024
Temperature Coefficient 35ppm/°C
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range Dual 1024-Tap Non-Volatile Digital Pots
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

10-Bit, Dual, Nonvolatile, Lin | Analog Devices
Digital Pot, 50K, Dual, Tqfn-16 | Newark Electronics
DIGITAL POT, 50K, DUAL, TQFN-16 | element14
Digital Potentiometer 1024POS 50KOhm Dual 16-Pin TQFN EP | Avnet Asia

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX5497ETE+ ?

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Is the MAX5497ETE+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX5497ETE+ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Avnet Asia have stock available or on a lead time for MAX5497ETE+ .

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