AD5204BRZ10

Memory Type:	Volatile
Base Part Number:	AD5204
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	50
Temperature Coefficient (Typ):	700 ppm/°C
Tolerance:	±30%
Features:	Cascade Pin, Selectable Address
Voltage - Supply:	2.7 V ~ 5.5 V, ±2.3 V ~ 2.7 V
Series:	--
Interface:	SPI
Resistance (Ohms):	10k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tube

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The AD5204BRZ10 is a digital potentiometer integrated circuit (IC) from the Data Acquisition - Digital Potentiometers range. This 3,2 kOhm, 10-Tap device is a low power device that features high reliability and performance while consuming only a fraction of the power that some of the other devices require.The device is designed to control an adjustable resistor or potentiometer variable over a range of 10 taps. This device consists of two independently programmed and controlled, low power and high performance, 10-Tap DACs, each with an 8-bit resolution. It operates as a potentiometer and as an adjustable resistor, and is intended to replace mechanical potentiometers and trimmers.The AD5204BRZ10 is capable of operating from a supply voltage range from 2,7V to 5,5V, and is offered in a 4mm x 4mm, 10-pin TDFN package. The device has an operating temperature range from -40 °C to +85 °C.The device uses a serial interface which consists of three main signals: CS, SDI, and SCLK. CS is used to initiate a transaction and is used for chip selection. The SPI-compatible SDI is a serial data line which is used to write data to the shadow register, and the SCLK is the serial clock signal input.The device also features an additional control signal, RDAC, which is used to read data from the selected DAC. RDAC should be set low to enable the Shadow Register Mode, and set high to enable the Direct Control Mode.The device features a write cycle of no more than 10µs and also features a power-down option. This feature allows the device to enter a low-power state while maintaining the programmed value.The AD5204BRZ10 has a wide variety of application fields. The device can be used in a variety of applications, such as the control of adjustable gains for amplifiers, automatic calibration systems, adjust volume and other signal ratios, and automotive airbag system control.The working principle of the device is based on an 8-bit digital-to-analog converter, or DAC, which is capable of producing voltages up to 5V over its entire range. The digital to analog conversion is done by a digital circuit that contains shift registers, logic gates, and an analog voltage source.The digital potentiometer works by using digital signals to adjust the voltage applied to a series of resistors. These resistors can then be used to adjust the output voltage of the device. In the AD5204BRZ10, the device contains 10 taps and each tap is capable of producing 10 bits of resolution.The device can also be used as an adjustable resistor. The user can adjust the resistance by changing the voltages applied to the resistors. This adjustable resistance feature can be used for many applications such as providing feedback for the control circuit, and for controlling the output voltage of a circuit.In conclusion, the AD5204BRZ10 is a versatile, low power and high performance integrated circuit from the Data Acquisition - Digital Potentiometers range. It features an 8-bit resolution, 10-tap DAC, a wide operating voltage range, an adjustable resistor, and a write cycle of no more than 10 µs. The device can be used in a variety of applications and because of its low power consumption, can easily replace mechanical potentiometers.

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