X9279UV14

Memory Type:	Non-Volatile
Base Part Number:	X9279
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	0°C ~ 70°C
Resistance - Wiper (Ohms) (Typ):	150 (Max)
Temperature Coefficient (Typ):	±300 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	5V
Series:	XDCP™
Interface:	I²C
Resistance (Ohms):	50k
Number of Taps:	256
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tube

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The X9279UV14 is a CMOS resistor-divider digital potentiometers that has a 128-tap setting and a power-on reset which sets the tap to the mid-scale tap, and has received wide recognition from the market. As one of the most reliable and cost-effective digital potentiometers in its class, the X9279UV14 is suitable for a wide range of uses. This article outlines the application field and working principle of the X9279UV14, so that readers can better understand this product.Application FieldThe X9279UV14 is ideal for noise suppression and calibration in industrial, automotive and consumer applications. Its 128-tap setting, low input current and low operating temperature range makes it an ideal choice for virtually any application requiring precision adjustment of resistor values. This includes: audio volume control, amplifier bias control, motor speed control, lighting intensity control, servo control, and calibration.In addition, the X9279UV14 is highly reliable and immune to aging and temperature variations, making it well suited for applications where consistency is a key performance indicator. It can also withstand harsh conditions such as shock, vibration and humidity, and is compatible with a wide range of substrates.Working PrincipleThe X9279UV14 is a resistor-divider digital Potentiometers which contains a single monolithic CMOS device with a wiper terminal. The wiper terminal is a permanent contact between the resistor and the sliding contact that adjusts the resistance value. The device consists of two identical channels which are connected in parallel or in series to form a single resistor-divider circuit.When the wiper moves along the resistor, the resistance value of the divider is adjusted to the desired value. The output of the potentiometer is obtained by connecting the wiper terminals to the voltage source. The output voltage of the potentiometer is a linear function of the position of the wiper.The X9279UV14 is also equipped with a power-on reset (POR), which sets the tap of the potentiometer to the mid-scale tap. This function helps to ensure that the potentiometer starts in a known configuration and helps to prevent inconsistent readings due to temperature changes or aging.In summary, the X9279UV14 is a reliable, cost-effective and highly adjustable digital potentiometers which is ideally suited for applications that require precise adjustment of resistor values. It is also robust, resilient to temperature and aging, and compatible with a wide range of substrates.

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