Overview
The AD5144BRUZ10-RL7, produced by Analog Devices Inc., is a quad-channel, 256-position, nonvolatile digital potentiometer. This device offers versatile programmability, including read/write access to RDAC and EEMEM registers, increment/decrement of resistance, and resistance changes in ±6 dB scales. It is suitable for various applications requiring precise and adjustable resistance settings.
Key Specifications
| Specification | Value |
|---|---|
| Resistance Options | 10 kΩ and 100 kΩ |
| Resistor Tolerance | 8% maximum |
| Wiper Current | ±6 mA |
| Temperature Coefficient | 35 ppm/°C |
| Bandwidth | 3 MHz |
| Start-up Time | < 75 μs |
| Supply Voltage | Single-supply: 2.3 V to 5.5 V, Dual-supply: ±2.25 V to ±2.75 V |
| Logic Supply | 1.8 V to 5.5 V |
| Operating Temperature | −40°C to +125°C |
| Package | 20-Lead TSSOP |
Key Features
- Versatile programmability with read/write access to RDAC and EEMEM registers
- Increment/decrement of resistance and resistance changes in ±6 dB scales
- Wiper setting read-back and extra EEMEM for user-defined information
- Linear gain setting mode
- Single- and dual-supply operation
- Independent logic supply: 1.8 V to 5.5 V
- Wide operating temperature range: −40°C to +125°C
- Fast start-up time: < 75 μs
- Wide bandwidth: 3 MHz
Applications
The AD5144BRUZ10-RL7 is suitable for a variety of applications, including:
- Battery-powered devices due to its single-supply and dual-supply operation capabilities
- Aerospace and defense applications, especially the AD5144-EP model which supports AQEC standards
- Audio and video equipment where precise gain control is necessary
- Industrial control systems requiring adjustable resistance settings
- Medical devices that need nonvolatile memory for calibration and setting storage
Q & A
- What is the AD5144BRUZ10-RL7? The AD5144BRUZ10-RL7 is a quad-channel, 256-position, nonvolatile digital potentiometer produced by Analog Devices Inc.
- What are the resistance options for the AD5144BRUZ10-RL7? The device offers 10 kΩ and 100 kΩ resistance options.
- What is the maximum resistor tolerance? The maximum resistor tolerance is 8%.
- What is the wiper current range? The wiper current range is ±6 mA.
- What is the temperature coefficient of the device? The temperature coefficient is 35 ppm/°C.
- What are the supply voltage ranges for the AD5144BRUZ10-RL7? The device supports single-supply operation from 2.3 V to 5.5 V and dual-supply operation from ±2.25 V to ±2.75 V.
- What is the operating temperature range of the device? The operating temperature range is −40°C to +125°C.
- What package type is the AD5144BRUZ10-RL7 available in? The device is available in a 20-Lead TSSOP package.
- Does the AD5144BRUZ10-RL7 support aerospace and defense applications? Yes, the AD5144-EP model supports AQEC standards for aerospace and defense applications.
- What is the start-up time of the AD5144BRUZ10-RL7? The start-up time is less than 75 μs.
