AD5252BRU10-RL7

Memory Type:	Non-Volatile
Base Part Number:	AD5252
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 105°C
Resistance - Wiper (Ohms) (Typ):	200
Temperature Coefficient (Typ):	650 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	2.7 V ~ 5.5 V, ±2.25 V ~ 2.75 V
Series:	--
Interface:	I²C
Resistance (Ohms):	10k
Number of Taps:	256
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The AD5252BRU10-RL7 is a low-power, dual-channel digital potentiometer from Analog Devices Inc. The device provides a simple, economical way to digitally trim external analog circuits to perfection. It can also be used to build adjustable analog circuits on a printed circuit board with minimal components, such as variable-gain amplifiers and voltage-controlled oscillators.The AD5252BRU10-RL7 features a 10-turn resolution, allowing for precise trimming. It has a wide resistance range, from 10Ω to 100kΩ, and a maximum output current of 25mA per channel. It operates from a single supply voltage ranging from 1.7V to 5.5V, and consumes only 25µA per channel at minimum supply voltage.The device is designed to operate in 16-pulse mode, which provides a 16-step resolution. It also supports non-volatile memory, which allows the user to store the wiper position and allow the device to retain its setting when power is cycled. Furthermore, the user can program both the write protect and the non-volatile memory status of the device through the SPI interface.In addition to its high performance, the AD5252BRU10-RL7 is also small, measuring just 3 mm x 3 mm. This feature makes it an attractive option for applications where board space is limited.The AD5252BRU10-RL7 is especially useful for applications that require digital trimming of an analog circuit. It is also useful in applications requiring digitally controlled gain, such as automatic volume control, automatic equalizer systems, digital audio systems, and multi-channel audio systems. Additionally, the AD5252BRU10-RL7 can be used to control the frequency of an oscillator circuit for applications such as VCOs and frequency synthesizers.The AD5252BRU10-RL7 works by providing a network of resistors connected between the non-volatile memory, the write protection control line, and the wiper. When a write cycle is initiated by the user, the non-volatile memory stores the new wiper position. When the power supply is cycled, the non-volatile memory “remembers” the last programmed wiper position and uses it to set the wiper to that position.The AD5252BRU10-RL7 provides a great way to adjust the performance of an analog circuit with the utmost precision and accuracy. With a 10-turn resolution, low-power operation, and a small form factor, the device is suitable for a wide range of applications requiring digital trimming and gain control, from consumer electronics to automotive systems.

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