Overview
The AD5124BRUZ100 is a precision digital potentiometer produced by Analog Devices Inc. This component is part of the AD5124/AD5144/AD5144A family, offering a nonvolatile solution for 128-position adjustment applications. It features a quad-channel configuration, making it suitable for a variety of analog control tasks. The device supports both SPI and I²C interfaces, providing flexibility in system design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance Options | 10 kΩ, 100 kΩ | - |
| Resistor Tolerance | ±8% maximum | - |
| Wiper Current | ±6 mA | - |
| Temperature Coefficient | 35 ppm/°C | - |
| Bandwidth | 3 MHz | - |
| Start-up Time | < 75 µs | - |
| Logic Supply Voltage | 1.8 V to 5.5 V | - |
| Operating Temperature | −40°C to +125°C | - |
| Package Options | 16-TSSOP, 24-LFCSP-WQ (4x4) | - |
Key Features
- Linear gain setting mode allowing independent programming of the resistance between the digital potentiometer terminals.
- Single- and dual-supply operation with ground-referenced bipolar signal adjustment.
- Low resistor tolerance and low nominal temperature coefficient, simplifying open-loop applications and tolerance matching.
- Fast start-up time of less than 75 µs.
- High bandwidth of 3 MHz and low total harmonic distortion (THD).
- Support for both SPI and I²C communication interfaces.
Applications
- Portable electronics level adjustment.
- LCD panel brightness and contrast controls.
- Programmable filters, delays, and time constants.
- Programmable power supplies.
Q & A
- What is the AD5124BRUZ100 used for? The AD5124BRUZ100 is used for precise analog control in various applications, including portable electronics, LCD panel adjustments, and programmable filters.
- What are the resistance options for the AD5124BRUZ100? The AD5124BRUZ100 offers resistance options of 10 kΩ and 100 kΩ.
- What is the resistor tolerance of the AD5124BRUZ100? The resistor tolerance is ±8% maximum.
- What are the supported communication interfaces? The device supports both SPI and I²C interfaces.
- What is the operating temperature range of the AD5124BRUZ100? The operating temperature range is −40°C to +125°C.
- What is the start-up time of the AD5124BRUZ100? The start-up time is less than 75 µs.
- Can the AD5124BRUZ100 operate in dual-supply mode? Yes, it supports single- and dual-supply operation.
- What is the bandwidth of the AD5124BRUZ100? The bandwidth is 3 MHz.
- What are the package options for the AD5124BRUZ100? The package options include 16-TSSOP and 24-LFCSP-WQ (4x4).
- Is the AD5124BRUZ100 suitable for high-temperature applications? Yes, it is suitable for applications with temperatures ranging from −40°C to +125°C.
