AD5248BRMZ100

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AD5248BRMZ100

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IC DGT POT 100KOHM 256TAP 10MSOP

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規格

屬性 價值
Package Bulk,Tube
ProductStatus Active
Taper Linear
Configuration Rheostat
NumberofCircuits 2
NumberofTaps 256
Resistance(Ohms) 100k
Interface I²C
MemoryType Volatile
Voltage-Supply 2.7V ~ 5.5V
Features Selectable Address
Tolerance -20%, +55%
TemperatureCoefficient(Typ) 35ppm/°C
MountingType Surface Mount
SupplierDevicePackage 10-MSOP
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
OperatingTemperature -40°C ~ 125°C

概述

Description

The AD5248BRMZ100 is a dual-channel, digitally controlled potentiometer (digipot) manufactured by Analog Devices. It features two 8-bit potentiometers, which allow for 256 positions of resistance adjustment, providing flexibility in analog circuit design. The device operates with a 2.7V to 5.5V supply voltage and has a 100 kΩ end-to-end resistance per potentiometer.
Controlled via an I2C-compatible interface, the AD5248BRMZ100 is suitable for applications that require digitally controlled adjustments, such as gain settings, offset adjustments, or other parameter tuning in electronic circuits. It also includes a shutdown mode for power savings and features a compact MSOP-10 package, making it suitable for space-constrained applications.
The AD5248BRMZ100 caters to a variety of industries, including consumer electronics, automotive, and communications. Its non-volatile memory retains the wiper setting during power-off, ensuring the device resumes operation with the same settings upon power restoration.

Equivalent

The AD5248BRMZ100 is a dual digital potentiometer from Analog Devices. Equivalent products from other manufacturers could include the MCP42100 from Microchip Technology, the MAX5382 from Maxim Integrated, and the DS1868 from Dallas Semiconductor. These alternatives offer similar functionality but may differ in features such as resistance value, tolerance, and package type. Always verify the specifications to ensure compatibility with your application.

Features

The AD5248BRMZ100 is a dual-channel, digitally-controlled variable resistor (or digital potentiometer) designed by Analog Devices. Key features include:
1. Resolution and Control: It offers a 256-position resolution, allowing fine control over resistance values.

2. Resistance Options: It comes with a 100 kΩ end-to-end resistance option.
3. Interface: The device utilizes an I²C-compatible digital interface for control, which supports standard, fast, and high-speed modes.
4. Operating Voltage: It operates over a wide voltage range from 2.7 V to 5.5 V, making it suitable for various applications.
5. Non-Volatility: The AD5248 includes non-volatile memory, enabling the storage of wiper settings during power loss.
6. Power Consumption: It is designed for low power consumption, suitable for battery-operated devices.
7. Compact Package: Available in a compact 10-lead MSOP package, facilitating space-saving designs.
8. Applications: It is commonly used in applications like audio volume control, mechanical potentiometer replacement, and programmable filters.
These features make it a versatile component for precision analog signal processing and electronic applications.

Pinout

The AD5248BRMZ100 is a dual digital potentiometer with 256 positions. It typically comes in an MSOP-10 package, meaning it has 10 pins. The primary function of this device is to provide a programmable resistance, which can be used for various applications such as adjusting voltage levels, tuning circuits, or simulating mechanical potentiometers.
Here's a concise description of its pin functions:
1. A1, A2: Terminal A of the potentiometers.
2. W1, W2: Wiper terminals, which are the adjustable output points.
3. B1, B2: Terminal B, opposite of terminal A.
4. VDD: Positive power supply.
5. GND: Ground connection.
6. SDA: Serial Data Line for I²C communication.
7. SCL: Serial Clock Line for I²C communication.
8. AD0, AD1: Address pins used to set the I²C address.
These pins enable the AD5248 to interact with other digital devices via an I²C interface, making it versatile for various applications requiring digital control of resistance.

Manufacturer

The AD5248BRMZ100 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. The company is known for its focus on high-performance signal processing solutions and serves a variety of markets, including industrial, communications, automotive, and consumer electronics.

Application

The AD5248BRMZ100 is a dual-channel digital potentiometer commonly used in applications requiring precision control over resistance. Key application areas include:
1. Programmable Gain Amplifiers (PGAs): Used to adjust amplifier gains dynamically.
2. Volume Control: Ideal for audio equipment to manage volume levels digitally.
3. Telecommunications: Used in line impedance matching and signal conditioning.
4. Calibration and Tuning: Facilitates fine-tuning and calibration in various electronic circuits.
5. Sensor Calibration: Adjusts sensor outputs for precision measurements.
6. Data Acquisition Systems: Helps in signal scaling and conditioning.
7. Industrial Automation: Used in control systems to adjust process parameters.
These applications exploit the device's ability to replace traditional mechanical potentiometers with a digital control interface.

Package

The AD5248BRMZ100 is housed in an MSOP-10 package.

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