53CAD-E16-D15L

Temperature Coefficient:	±1000ppm/°C
Mounting Type:	Panel Mount
Bushing Thread:	1/4-32
Actuator Diameter:	0.125" (3.18mm)
Actuator Length:	0.500" (12.70mm)
Actuator Type:	Slotted
Termination Style:	Solder Lug
Resistive Material:	Conductive Plastic
Adjustment Type:	User Defined
Rotation:	290°
Number of Turns:	1
Series:	Pro Audio 53
Power (Watts):	0.25W, 1/4W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±20%
Resistance (Ohms):	10k
Taper:	Logarithmic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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Introduction

Rotary Potentiometers, Rheostats or rotary sliders are components that allow analog signals to be transformed into a digital, or voltage form. The most common use of rotary potentiometers, rheostats and rotary sliders are for volume and power regulation in electronic applications. 53CAD-E16-D15L is a rotary potentiometer, and its application field and working principle will be discusssed in this paper.

53CAD-E16-D15L

53CAD-E16-D15L is a 3-bit digital rotary potentiometer designed for use in regulated linear applications such as power regulations, audio volume control and other digital signal application. It is made of an oxide-free plastic casing complete with a built-in locking/spring element and an on/off indicator. The potentiometer has three connecting terminals for each of its resistance points - the common terminal, the high terminal and the low terminal.

Applications

53CAD-E16-D15L is commonly used in regulated linear applications such as power regulations, audio volume control and other digital signal application. For power regulation, it is an ideal component to use for alternating current power supply and switch-mode power converters. This is because it offers precise setting and regulation of the output current or voltage according to the set-point given by the user. 53CAD-E16-D15L potentiometer is also used in audio volume control setups for precise control of the sound volume. Lastly, it is used in digital signal processing applications as a rotary digital signal adjustment component.

Working Principle

The working principle of the 53CAD-E16-D15L is simple. It consists of a three-bit resistance elements which forms a resistance ladder. When the knob is turned, it makes contact with the three connecting terminals on the corresponding bit locations of the ladder. When a voltage is applied to the high and low terminals, a varying analog signal is generated at the common terminal. The resistance range of the potentiometer is determined by the spacing of the resistance elements on the ladder.

Conclusion

The 53CAD-E16-D15L is a three-bit digital rotary potentiometer ideal for regulated linear applications such as power and audio volume regulations. It is made up of an oxide-free plastic casing and works by the application of an analog signal to its high and low terminals. With its wide variety of applications and simple working principle, it is a reliable and cost-effective solution for many electronic systems.

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