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AD5245BRJZ5-R2

Name: AD5245BRJZ5-R2
Rating: 4.7 (12 reviews)

IC DGTL POT 5KOHM 256TAP SOT23-8

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規格

Part Status	Active
DigiKey Programmable	Not Verified
Taper	Linear
Configuration	Potentiometer
Number of Circuits	1
Number of Taps	256
Resistance (Ohms)	5k
Interface	I2C
Memory Type	Volatile
Voltage - Supply	2.7V ~ 5.5V
Features	Selectable Address
Tolerance	±30%
Temperature Coefficient (Typ)	45ppm/°C
Mounting Type	Surface Mount
Supplier Device Package	SOT-23-8
Package / Case	SOT-23-8
Operating Temperature	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)	50
Base Product Number	AD5245

概述

Description

The AD5245BRJZ5-R2 is a precision digital potentiometer from Analog Devices, designed for various applications in data acquisition, signal processing, and calibration systems. This device features a dual-channel, 256-position configuration with a resistance value typically around 5k ohms. It operates using a serial interface (SPI), allowing for easy integration with microcontrollers and other digital systems.
Key features include low temperature coefficient, high linearity, and low noise, making it suitable for applications requiring high accuracy and reliability. The AD5245 also offers various modes of operation, including variable resistance and voltage-divider capability. Its compact 16-lead LFCSP package enables efficient use of space in electronic designs.
Overall, the AD5245BRJZ5-R2 is ideal for applications such as automatic gain control, programmable gain amplifiers, and system calibration, where precise resistance adjustment is essential.

Features

The AD5245BRJZ5-R2 is a 256-position, digital potentiometer featuring a dual-channel design. Key features include:
1. Digital Control: It uses a 2-wire I2C interface for easy integration into microcontroller systems.
2. Memory: The device retains wiper settings even after power-down, thanks to its non-volatile memory.
3. Resistance Options: Available in various resistive values (e.g., 10kΩ, 50kΩ, etc.) to suit different applications.
4. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
5. Voltage Range: Operates over a wide supply voltage range, typically from 2.7V to 5.5V.
6. Programmable Wiper: Allows for adjustable output resistance in applications such as tone control, volume control, and calibration.
7. Temperature Range: Operates reliably over an extended temperature range.
This digital potentiometer is ideal for applications in audio equipment, sensor calibration, and other electronic circuits requiring variable resistance control.

Package

The AD5245BRJZ5-R2 is packaged in a 14-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The AD5245BRJZ5-R2 is a digital potentiometer from Analog Devices, featuring a total of 12 pins. It is part of the AD5245 series, which includes dual, 256-position, non-volatile digital potentiometers. The key functions of its pins are as follows:
1. VDD: Power supply (typically +2.7V to +5.5V).
2. VSS: Ground reference.
3. SCL: I2C clock input for serial communication.
4. SDA: I2C data input/output for serial communication.
5. A1, A0: Address pins to select the I2C address.
6. Wiper (W): Connection to the wiper terminal of the potentiometer.
7. A: High terminal of the potentiometer.
8. B: Low terminal of the potentiometer.
9. RESET: Resets the wiper to its default position.
10. CS: Chip select for SPI mode (if applicable).
11. RDY: Ready status output.
This device is commonly used in applications requiring programmable resistance settings.

Manufacturer

The AD5245BRJZ5-R2 is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company headquartered in Norwood, Massachusetts, USA. Founded in 1965, the company specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Their products are used in a wide range of applications, including industrial automation, communications, automotive, healthcare, and consumer electronics. Analog Devices is known for its innovation in signal processing technology and provides solutions that enhance the performance of electronic systems.

Application

The AD5245BRJZ5-R2 is a digital potentiometer used in various application areas, including audio volume control, sensor calibration, programmable gain amplifiers, and signal conditioning. It is also utilized in industrial automation, medical devices, and consumer electronics for tasks like adjustable reference voltage generation, tuning circuits, and as a variable resistor in feedback loops. Its high precision and programmability make it suitable for applications requiring fine adjustments and control.

Equivalent

The AD5245BRJZ5-R2 is a digital potentiometer from Analog Devices. Equivalent products include the MCP4131 from Microchip, the DS1803 from Maxim Integrated, and the TPL0102 from Texas Instruments. When selecting an equivalent, consider specifications such as resistance value, resolution, interface type, and supply voltage to ensure compatibility.