MAX5440EAG+ by Analog Devices

Stereo Volume Control with Rotary Encoder Interface

Status: Active
Series: MAX5440
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

The MAX5440 dual, 40kΩ logarithmic taper volume control features a debounced up/down interface for use with a simple rotary encoder without using a microcontroller (µC). Each potentiometer has 32 log-spaced tap points with a buffered wiper output and replaces mechanical potentiometers. An integrated bias generator provides the required ((VDD + VSS) / 2) bias voltage, eliminating the need for costly external op-amp circuits in unipolar audio applications. A mode-indicator LED output specifies volume or balance control. Five integrated LED drivers indicate volume level or balance settings, depending on the status of the mode indicator. The MAX5440 includes debounced pushbutton inputs for mute and mode. The mute input allows a single pushbutton to change between volume control and the -90dB (typ) mute setting. The mode input toggles between volume and balance control. A click-and-pop suppression feature minimizes the audible noise generated by wiper transitions. The MAX5440 provides a nominal temperature coefficient of 35ppm/°C end-to-end and 5ppm/°C, ratiometrically. The MAX5440 is available in a 24-pin SSOP package and is specified for operation over the -40°C to +85°C extended temperature range.

Prices starting from US$2.97


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$4.14
120
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Logo for element14 element14 US$2.97
120
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Features

Logarithmic Taper Volume Control with (31) 2dB Steps
Low-Power Wiper Buffers Provide 0.003% THD
Single +2.7V to +5.5V or Dual ±2.7V Supply Voltage Operation
Low 0.5µA Shutdown Supply Current
Integrated Bias Voltage Generator
Five-Segment LED Volume/Balance Indicator
Clickless Switching
40kΩ End-to-End Fixed Resistance Value
Mute Function Toggles to -90dB (typ)
Power-On Reset to -12dBFS Wiper Position

Specifications

Steps 32
# Potentiometers 2
Control Interface Rotary Encoder
Taper Log
Wiper Memory Volatile
REND-TO-END (kΩ) 40
Res. Tol. (%) 30
Temp. Coeff. (ppm/°C) (typ) 35
Wiper Resistance (Ω) (typ) 1
ICC @5V (µA) (max) 1.4
Package/Pins SSOP/24
BudgetaryPrice (See Notes) 2.26


MAX5440EAG+ Semiconductors - ICs by Analog Devices

STEREO VOLUME CTRL LOGARITHMIC SSOP-24

Status: Unknown
Series: -
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Audio Control Type Volume
Supply Voltage Range 2.7V to 5.5V ± 2.7V
Control Interface Pushbutton
Audio IC Case Style SSOP
No. of Pins 24Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Stereo Volume Ctrl, Logarithmic, Ssop-24 | Newark Electronics
STEREO VOLUME CTRL, LOGARITHMIC, SSOP-24 | element14

Frequently Asked Questions

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Is the MAX5440EAG+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX5440EAG+ have stock available?

Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX5440EAG+ .

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