Overview
The AD5144ABRUZ10-RL7 is a digital potentiometer produced by Analog Devices Inc. This component provides a nonvolatile solution for 128-/256-position adjustment applications. It is part of the AD5124/AD5144/AD5144A family, which is designed to offer high precision and reliability in various electronic systems.
The device features four independent potentiometer channels, each with 256 taps, and is housed in a 20-lead TSSOP package. It supports I²C interface for communication, making it versatile for a wide range of applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 7 Bits | - | - |
| Number of Taps | 256 | - | - |
| Nominal Resistance | 10 kΩ / 100 kΩ | Ω | - |
| Resistor Integral Nonlinearity (R-INL) | -1 ±0.1 +1 LSB (VDD ≥ 2.7 V, RAB = 10 kΩ) | LSB | - |
| Resistor Differential Nonlinearity (R-DNL) | -0.5 ±0.1 +0.5 LSB | LSB | - |
| Nominal Resistor Tolerance | ±8% | % | - |
| Resistance Temperature Coefficient | 35 ppm/°C | ppm/°C | - |
| Wiper Resistance | 55 - 125 Ω (RAB = 10 kΩ, Code = zero scale) | Ω | - |
| Operating Temperature Range | -40°C to +125°C | °C | - |
| Maximum Junction Temperature | 150°C | °C | - |
| Interface | I²C | - | - |
| Package | 20-lead TSSOP | - | - |
Key Features
- Nonvolatile Memory: Stores the wiper position even when power is off.
- High Resolution: 7-bit resolution with 256 taps per potentiometer.
- Low Resistor Tolerance: Guaranteed low resistor tolerance errors of ±8%.
- I²C Interface: Supports I²C communication for easy integration into various systems.
- Multiple Channels: Four independent potentiometer channels.
- Wide Operating Temperature Range: Operates from -40°C to +125°C.
- Compact Package: Housed in a 20-lead TSSOP package.
Applications
- Audio and Video Equipment: For volume control, tone control, and other adjustment functions.
- Industrial Control Systems: For calibration and adjustment in industrial automation.
- Medical Devices: For precise adjustments in medical equipment.
- Aerospace and Defense: For reliable and precise adjustments in harsh environments.
- Consumer Electronics: For various adjustment functions in consumer devices.
Q & A
- What is the resolution of the AD5144ABRUZ10-RL7?
The resolution is 7 bits, providing 256 taps per potentiometer.
- What is the nominal resistance of the AD5144ABRUZ10-RL7?
The nominal resistance is available in 10 kΩ and 100 kΩ options.
- What interface does the AD5144ABRUZ10-RL7 use?
The device uses an I²C interface for communication.
- How many independent potentiometer channels does the AD5144ABRUZ10-RL7 have?
The device has four independent potentiometer channels.
- What is the operating temperature range of the AD5144ABRUZ10-RL7?
The operating temperature range is from -40°C to +125°C.
- What is the package type of the AD5144ABRUZ10-RL7?
The device is housed in a 20-lead TSSOP package.
- Does the AD5144ABRUZ10-RL7 have nonvolatile memory?
Yes, it stores the wiper position even when power is off.
- What is the resistor tolerance of the AD5144ABRUZ10-RL7?
The resistor tolerance is guaranteed to be ±8%.
- What are some common applications of the AD5144ABRUZ10-RL7?
Common applications include audio and video equipment, industrial control systems, medical devices, aerospace and defense, and consumer electronics.
- What is the maximum junction temperature of the AD5144ABRUZ10-RL7?
The maximum junction temperature is 150°C.
