MAX5400EKA+T by Analog Devices

256-Tap SOT-PoT, Low-Drift Digital Potentiometers in SOT23


The MAX5400/MAX5401 digital potentiometers offer 256-tap SOT-PoT™ digitally controlled variable resistors in tiny 8-pin SOT23 packages. Each device functions as a mechanical potentiometer, consisting of a fixed resistor string with a digitally controlled wiper contact. They 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 resistor taps, as well as a convenient power-on reset that sets the wiper to the midscale position at power-up. A low 5ppm/°C ratiometric temperature coefficient makes it ideal for applications requiring low drift. The MAX5400/MAX5401 serve well in applications requiring digitally controlled resistors, including adjustable voltage references and programmable gain amplifiers (PGAs). A nominal end-to-end resistor temperature coefficient of 50ppm/°C allows these parts to be used as variable resistors in applications such as low-tempco adjustable gain and other circuit configurations. Two resistance values are available: 50kΩ (MAX5400) and 100kΩ (MAX5401). Each device is guaranteed over the extended industrial temperature range (-40°C to +85°C).

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Features

Miniature 8-Pin SOT23 (3mm x 3mm)
256 Tap Positions
Ultra-Low 0.1µA Supply Current
Single-Supply Operation: +2.7V to +5.5V
Low Ratiometric Temperature Coefficient: 5ppm/°C
Power-On Reset: Wiper Goes to Midscale (Position 128)
Glitchless Switching Between the Resistor Taps
3-Wire SPI™-Interface Compatible
50kΩ/100kΩ Resistor Values

Specifications

Steps 256
# Potentiometers 1
Control Interface 3-Wire Serial
Taper Linear
Wiper Memory Volatile
REND-TO-END (kΩ) 50
Res. Tol. (%) 25
Temp. Coeff. (ppm/°C) (typ) 50
Wiper Resistance (Ω) (typ) 250
ICC @5V (µA) (max) 5
Package/Pins SOT23/8
BudgetaryPrice (See Notes) 1.22


MAX5400EKA+T Semiconductors - ICs by Analog Devices

DIGITAL POT 50K SINGLE SOT-23-8

Status: Unknown
Series: Single 256-Tap Volatile Digital Pots
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

End To End Resistance 50kohm
No. of Pots Single
Control Interface SPI
Track Taper Linear
Resistance Tolerance ± 25%
Supply Voltage Min 2.7V
Supply Voltage Max 5.5V
Potentiometer IC Case Style SOT-23
No. of Pins 8Pins
No. of Steps 256
Temperature Coefficient 50ppm/°C
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range Single 256-Tap Volatile Digital Pots
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Frequently Asked Questions

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Is the MAX5400EKA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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