{"product_id":"stereo-volume-and-balance-control-with-rotary-encoder-using-max5440","title":"Stereo volume and balance control with Rotary Encoder using MAX5440","description":"\u003cp\u003eThe project described here is a compact stereo volume and balance control with rotary encoder. It provides 32 log potentiometer steps with buffered wiper output. The project can easily replace mechanical potentiometer. 5 LEDs indicate the volume level or balance settings , depending on the status of the mode indicator D1 LED. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX5440\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes 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.\u003c\/p\u003e\n\u003ch3\u003eMAX5440 Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMAX5440\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edual, 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.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLogarithmic Taper Volume Control with (31) 2dB Steps\u003c\/li\u003e\n\u003cli\u003eLow-Power Wiper Buffers Provide 0.003% THD\u003c\/li\u003e\n\u003cli\u003eSingle +2.7V to +5.5V Supply Voltage Operation\u003c\/li\u003e\n\u003cli\u003eLow 0.5µA Shutdown Supply Current\u003c\/li\u003e\n\u003cli\u003eIntegrated Bias Voltage Generator\u003c\/li\u003e\n\u003cli\u003eFive-Segment LED Volume\/Balance Indicator\u003c\/li\u003e\n\u003cli\u003eClick less Switching\u003c\/li\u003e\n\u003cli\u003e40kΩ End-to-End Fixed Resistance Value\u003c\/li\u003e\n\u003cli\u003eMute Function Toggles to -90dB (typ)\u003c\/li\u003e\n\u003cli\u003ePower-On Reset to -12dBFS Wiper Position\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47037532209324,"sku":"A118","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/A118A.jpg?v=1787572991","url":"https:\/\/dotfry.com\/products\/stereo-volume-and-balance-control-with-rotary-encoder-using-max5440","provider":"dotfry","version":"1.0","type":"link"}