MAX5440EAG+T Maxim Integrated Products, MAX5440EAG+T Datasheet
MAX5440EAG+T
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MAX5440EAG+T Summary of contents
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... W0 10 MIDBIAS 11 BIAS 12 SSOP ________________________________________________________________ Maxim Integrated Products For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Stereo Volume Control with Rotary Encoder Interface ♦ Logarithmic Taper Volume Control with (31) 2dB Steps ♦ Low-Power Wiper Buffers Provide 0.003% THD ♦ ...
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Stereo Volume Control with Rotary Encoder Interface ABSOLUTE MAXIMUM RATINGS SHDN, MUTE, RENCODEA, RENCODEB, and MODE to GND............................-0. H_, L_, and ...............................-0. LEDIND_, MODEIND to GND................-0. MIDBIAS, BIAS to V ...
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ELECTRICAL CHARACTERISTICS (continued +2.7V to +5.5V 2.7V ≤ GND T , unless otherwise specified. Typical values are at T MAX PARAMETER SYMBOL Power-Supply Rejection Ratio PSRR Maximum Load Output Resistance ...
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Stereo Volume Control with Rotary Encoder Interface (T = +25°C, unless otherwise noted.) A ATTENUATION vs. TAP POSITION 0 -10 -20 -30 -40 -50 -60 - TAP POSITION WIPER SWITCHING TRANSIENT ...
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V = +5V +25°C, unless otherwise noted POWER-SUPPLY REJECTION RATIO vs. FREQUENCY - ±100mV , DD_ P 2.5V, W_ SET TO -6dB L_ -35 -40 ...
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Stereo Volume Control with Rotary Encoder Interface PIN NAME Digital Logic Power Supply. Bypass LOGIC as possible. Rotary Encoder Input B. With RENCODEA, this input provides the rotary encoder control for the RENCODEB 2 potentiometer (see Figure ...
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Detailed Description The MAX5440 dual, 40kΩ logarithmic taper digital potentiometer features a debounced up/down interface for use with a simple rotary encoder without using a microcontroller. Each potentiometer has 32 log-spaced tap points with a buffered wiper output and replaces ...
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Stereo Volume Control with Rotary Encoder Interface In volume-control mode, the MAX5440’s wipers move simultaneously, maintaining the balance separation between each wiper (Figure 2a). When either wiper reaches the maximum tap position (position closest to H_), further commands to increase ...
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Table 1. Wiper Position and Attenuation POSITION ATTENUATION (dB … 6 (POR) … (MUTE) VOLUME LEVEL IS SET VOLUME LEVEL IS SET Figure 3. ...
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Stereo Volume Control with Rotary Encoder Interface USER ROTATES ENCODER SWITCH CONTACT IS BOUNCING WIPER MOTION Figure 4a. Wiper Transition Timing Diagram—Suppression Circuitry Active 10 ______________________________________________________________________________________ SWITCH CONTACT IS STABLE INPUT ACCEPTED t WS ...
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SWITCH CONTACT IS BOUNCING LPW DEBOUNCE BY WAITING FOR STABLE LOW Figure 4b. Wiper Transition Timing Diagram—Timed Out ______________________________________________________________________________________ Stereo Volume Control with Rotary Encoder Interface SWITCH SWITCH CONTACT CONTACT IS STABLE ...
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Stereo Volume Control with Rotary Encoder Interface The power-on comparators monitor ( GND). A power-on reset is initiated when LOGIC either of the supplies is brought back to the normal operating voltage. The power-on reset feature sets both ...
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FULL CCW ROTATION (CH0) LED0 ON LED1 ON Figure 5. LED Setting in Balance Mode V LOGIC Figure 6. Dual-Supply Volume/Balance Control ______________________________________________________________________________________ Stereo Volume Control with Rotary Encoder Interface L ...
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Stereo Volume Control with Rotary Encoder Interface Multiple Button Pushes ( MODE , MUTE ) The MAX5440 does not respond to simultaneous button pushes. Pushing more than one button at the same time stops the wipers in their present states. ...
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V SHDN LOGIC MAX5440 MUTE L0 GND Package Information For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE PACKAGE CODE 24 SSOP A24-1 ______________________________________________________________________________________ ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products ...