MAX5407EKA+T by Analog Devices

32-Tap Audio Logarithmic Taper Digital Potentiometer


The MAX5407 SOT-PoT™ is a logarithmic taper digital potentiometer with 32 tap points that has 1dB steps between taps. This device is ideal for audio applications, such as volume control and fading/balancing audio signals. The MAX5407 consists of a resistor string and CMOS switches that are digitally controlled through a simple 2-wire serial interface. This device performs the same function as a mechanical potentiometer. The device has a fixed end-to-end resistance of 20kΩ and features zero-crossing detection to minimize the audible noise generated by the wiper transitions. This device has nominal resistor temperature coefficients of 35ppm/°C end-to-end and 5ppm/°C ratiometric. The MAX5407 is available in a space saving 8-pin SOT23 package and is guaranteed from -40°C to +85°C.

Where to Buy

Prices starting from US$1.31

Distributor Stock
Logo for Farnell
Farnell
from US$1.31
1,201
in stock
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Logo for Newark Electronics
Newark Electronics
from US$1.51
1,201
in stock
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Logo for element14
element14
from US$1.35
1,201
in stock
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Logo for Analog Devices
Analog Devices
from US$1.41
355
in stock
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Features

Miniature 3mm x 3mm 8-Pin SOT23 Package
Logarithmic Taper with 1dB Steps Between Taps
32 Tap Positions
Low 0.35µA Supply Current
+2.7V to +5.5V Single-Supply Operation
Zero-Crossing Detection to Minimize Audible Clicks During Wiper Transitions
Simple Up/Down 2-Wire Serial Data Interface
Power-On Reset Wiper Goes to Maximum Attenuation (Lowest Tap Position)
Wiper Goes to Maximum Attenuation (Lowest Tap Position)
20kΩ End-to-End Resistance

Specifications

Steps 32
# Potentiometers 1
Control Interface Direction+Clock
Taper Log
Wiper Memory Volatile
REND-TO-END (kΩ) 20
Res. Tol. (%) 25
Temp. Coeff. (ppm/°C) (typ) 35
Wiper Resistance (Ω) (typ) 400
ICC @5V (µA) (max) 0.35
Package/Pins SOT23/8
BudgetaryPrice (See Notes) 1.07


MAX5407EKA+T Semiconductors - ICs by Analog Devices

DIGITAL POT 20K SINGLE SOT-23-8

Status: Unknown
Series: Single 32-Tap Volatile Digital Pots
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

End To End Resistance 20kohm
No. of Pots Single
Control Interface Increment Decrement
Track Taper Log (Audio)
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 32
Temperature Coefficient 35ppm/°C
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range Single 32-Tap Volatile Digital Pots
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Digital Pot, 20K, Single, Sot-23-8 | Newark Electronics
DIGITAL POT, 20K, SINGLE, SOT-23-8 | element14
32-Tap Audio Logarithmic Taper | Analog Devices

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX5407EKA+T ?

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Is the MAX5407EKA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX5407EKA+T have stock available?

Authorised distributors including Newark Electronics, element14, Farnell and Analog Devices have stock available or on a lead time for MAX5407EKA+T .

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