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AD5270BRMZ-50

Name: AD5270BRMZ-50
Rating: 4.7 (12 reviews)

IC DGT RHE 50KOHM 1024TAP 10MSOP

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資料表 AD5270BRMZ-50 DataSheet
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規格

Part Status	Active
DigiKey Programmable	Not Verified
Taper	Linear
Configuration	Rheostat
Number of Circuits	1
Number of Taps	1024
Resistance (Ohms)	50k
Interface	SPI
Memory Type	Non-Volatile
Voltage - Supply	2.7V ~ 5.5V, ±2.5V ~ 2.75V
Features	Cascade Pin
Tolerance	±1%
Temperature Coefficient (Typ)	5ppm/°C
Mounting Type	Surface Mount
Supplier Device Package	10-MSOP
Package / Case	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)	35
Base Product Number	AD5270

概述

Description

The AD5270BRMZ-50 is a digital potentiometer manufactured by Analog Devices, specifically designed for applications requiring precise resistance tuning. It features a 256-position resistive ladder with a 50 kΩ maximum resistance. The device is controlled via a 2-wire I²C interface, allowing for easy integration into microcontroller-based systems.
Key specifications include a low temperature coefficient, ensuring stability over varying temperatures, and a low power consumption profile, making it suitable for battery-operated devices. The AD5270 also incorporates a non-volatile memory option, enabling the storage of the last wiper position even after power loss.
Applications include gain control, offset adjustment, and signal conditioning in instrumentation, consumer electronics, and industrial equipment. The compact package and easy programmability make the AD5270BRMZ-50 a versatile solution for modern electronic designs requiring adjustable resistance.

Features

The AD5270BRMZ-50 is a digital potentiometer designed for precise resistance adjustment in various applications. Key features include:
1. Resistance Value: 50 kΩ nominal resistance.
2. Digital Control: Operated via a 2-wire I2C interface, allowing easy integration into digital systems.
3. Resolution: 256 tap points enable fine resolution for precise adjustments.
4. Low Power Consumption: Designed for battery-operated devices with minimal current draw.
5. Non-Volatile Memory: Retains the last set position even after power loss, ensuring consistent performance.
6. Temperature Range: Operates from -40°C to +125°C, suitable for harsh environments.
7. Wiper Modes: Provides options for wiper settings (volatile/non-volatile).
8. Applications: Ideal for applications like audio volume control, sensor calibration, and programmable gain amplifiers.
The AD5270BRMZ-50 is versatile for both consumer and industrial applications, enabling precise control of resistance in compact designs.

Package

The AD5270BRMZ-50 is packaged in a 14-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The AD5270BRMZ-50 is a digital potentiometer with a pin count of 14. It features a single-channel, 256-position variable resistor. The primary functions of the pins are as follows:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial data input/output for I²C communication.
4. SCL (Pin 4): Serial clock input for I²C communication.
5. RST (Pin 5): Reset pin.
6. Wiper (Pin 6): Wiper terminal to provide variable resistance.
7. Terminal A (Pin 7): Connects to one end of the resistor.
8. Terminal B (Pin 8): Connects to the other end of the resistor.
9. NC (Pins 9, 10): No connect.
10. Reserved (Pins 11-14): Additional I²C-related or configuration pins depending on the specific variant.
This device is widely used for applications in electronic volume control, gain adjustment, and other settings requiring variable resistance.

Manufacturer

The AD5270BRMZ-50 is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its innovative solutions in various markets, including communications, automotive, healthcare, and industrial automation. Analog Devices focuses on delivering advanced technologies that enable measurement and processing of real-world signals, making it a key player in the electronics industry.

Application

The AD5270BRMZ-50 is a digital potentiometer used in various applications, including programmable gain amplifiers, sensor calibration, variable resistors, and audio control. It is also suitable for applications in data acquisition systems, industrial automation, and automotive electronics for tuning, trimming, and adjusting signal levels. Additionally, it is utilized in medical devices and consumer electronics for precise resistance adjustments.

Equivalent

The AD5270BRMZ-50 is a digital potentiometer. Equivalent products include:
1. MCP4131 - Microchip Technology
2. MCP4251 - Microchip Technology (dual version)
3. DS1803 - Maxim Integrated
4. INA219 - Texas Instruments (current sensing with similar applications)
5. AD5242 - Analog Devices (also a digital pot)
Check specifications for exact compatibility and functionality as features may vary.