AD5245BRJZ50

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AD5245BRJZ50

Digital Potentiometer ICs

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  • Мфр. Часть #AD5245BRJZ50
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  • Лист данных AD5245BRJZ50 DataSheet
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Description

The AD5245BRJZ50 is a digital potentiometer from Analog Devices, designed for precision applications. It features a 256-position variable resistor controlled via a serial interface, making it suitable for programmable gain amplifiers, volume controls, and calibration settings in various electronic devices. The device operates on a single supply voltage of 2.7V to 5.5V and offers low power consumption, which is ideal for battery-operated equipment.
Key features include a non-volatile memory option, allowing settings to be retained even after power is removed, and a high resistance value of 50 kΩ, providing flexibility in various applications. The AD5245 also supports daisy-chaining for multiple devices, enhancing system integration. Its compact package and robust performance make it a popular choice in consumer electronics, industrial automation, and medical devices.

Features

The AD5245BRJZ50 is a digital potentiometer from Analog Devices, featuring a 256-position, dual-channel configuration. Key features include:
1. Resistance Values: Each channel has a 50 kΩ total resistance.
2. Interface: It utilizes a simple I2C-compatible digital interface for easy integration with microcontrollers.
3. Operating Voltage: Supports a wide operating voltage range from 2.7 V to 5.5 V.
4. Low Power Consumption: Designed for low power operation, ideal for battery-powered applications.
5. Non-Volatile Memory: Features EEPROM storage to retain settings during power loss.
6. Wiper Control: Wiper settings can be adjusted for both channels independently.
7. Temperature Range: Operates effectively across a temperature range of -40°C to +125°C.
8. Compact Package: Available in a small 16-lead TSSOP package, facilitating space-saving designs.
This versatile digital potentiometer is suitable for applications in gain control, adjustable filters, and user interface controls.

Package

The AD5245BRJZ50 is packaged in a 16-lead LFCSP (Lead Frame Chip Scale Package) format. It features a compact design suitable for surface mounting with a footprint of 3 mm x 3 mm and a thickness of 0.75 mm.

Pinout

The AD5245BRJZ50 is a digital potentiometer from Analog Devices with a total of 14 pins. It features a dual 256-position, non-volatile memory digital potentiometer. The key functions of its pins are:
1. VDD (Pin 1): Power supply pin.
2. GND (Pin 2): Ground reference.
3. A (Pin 3): Terminal A of the potentiometer.
4. B (Pin 4): Terminal B of the potentiometer.
5. W (Pin 5): Wiper terminal of the potentiometer.
6. SCL (Pin 6): Serial clock input for I2C communication.
7. SDA (Pin 7): Serial data input/output for I2C communication.
8. E (Pin 8): Chip enable pin.
9. CS (Pin 9): Chip select for selecting the device.
10. P0 - P3 (Pins 10-13): Address and configuration pins.
11. NC (Pin 14): Not connected.
This device is used in applications requiring adjustable resistance, such as gain control and calibration.

Manufacturer

The AD5245BRJZ50 is manufactured by Analog Devices, Inc. (ADI), a global leader in the design and manufacture of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Established in 1965, Analog Devices specializes in high-performance semiconductor solutions for a wide range of applications, including industrial, automotive, healthcare, and consumer electronics. The company is known for its innovative technology and commitment to quality, focusing on precision and reliability in its products. ADI's portfolio includes amplifiers, converters, sensors, and signal processing chips, making it a key player in the electronics industry.

Application

The AD5245BRJZ50 is a digital potentiometer used in various applications, including audio volume control, signal conditioning, adjustable gain circuits, and sensor calibration. Its features also make it suitable for automatic test equipment, programmable resistor applications, and settings that require precise resistance adjustment in industrial automation and consumer electronics. Additionally, it can be utilized in medical devices for variable control and feedback systems.

Equivalent

The AD5245BRJZ50 is a digital potentiometer from Analog Devices. Equivalent products include:
1. MCP4131 - Microchip
2. DS1868 - Maxim Integrated
3. PCA8574 - NXP Semiconductors (for digital control)
4. AD8400 - Analog Devices (similar functionality with different specs)
Ensure to compare specifications like resistance values, tolerance, and interface compatibility for precise applications.

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