Overview
The AD5162BRM50-RL7, produced by Analog Devices Inc., is a dual, 256-position SPI digital potentiometer. This device is designed to provide a compact solution for various adjustment applications, functioning similarly to a 3-terminal mechanical potentiometer. It is available in a 10-lead MSOP package with dimensions of 3 mm x 4.9 mm, making it ideal for space-constrained designs. The AD5162 operates from a single supply voltage of 2.7 V to 5.5 V and consumes less than 6 µA, making it suitable for portable battery-operated applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-End Resistance | 50 kΩ | kΩ |
| Number of Positions | 256 | - |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Current Consumption | < 6 µA | µA |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Operating Temperature | −40°C to +125°C | °C |
| Package Type | 10-Lead MSOP | - |
| Package Dimensions | 3 mm x 4.9 mm | mm |
| Clock Frequency | 25 MHz | MHz |
Key Features
- Compact 10-lead MSOP package (3 mm x 4.9 mm)
- Single supply operation: 2.7 V to 5.5 V
- Low power consumption: < 6 µA
- Low temperature coefficient: 35 ppm/°C
- Wide operating temperature range: −40°C to +125°C
- 256-position adjustment with SPI compatible digital interface
- Power-on preset to midscale
- Full read/write of wiper register
- Evaluation board and software available
- Qualified for automotive applications
Applications
- Systems calibrations
- Electronics level settings
- Mechanical trimmers replacement in new designs
- Permanent factory PCB setting
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Automotive electronics adjustment
- Gain control and offset adjustment
Q & A
- What is the AD5162BRM50-RL7 used for? The AD5162BRM50-RL7 is a dual, 256-position SPI digital potentiometer used for various adjustment applications, similar to a 3-terminal mechanical potentiometer.
- What are the available end-to-end resistance values for the AD5162? The AD5162 is available in four end-to-end resistance values: 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating voltage range of the AD5162? The AD5162 operates from a single supply voltage of 2.7 V to 5.5 V.
- How much current does the AD5162 consume? The AD5162 consumes less than 6 µA.
- What is the temperature coefficient of the AD5162? The temperature coefficient of the AD5162 is 35 ppm/°C.
- What is the operating temperature range of the AD5162? The operating temperature range is −40°C to +125°C.
- Is the AD5162 qualified for automotive applications? Yes, the AD5162 is qualified for automotive applications.
- What interface does the AD5162 use for wiper settings? The wiper settings are controllable through an SPI compatible digital interface.
- Is an evaluation board available for the AD5162? Yes, an evaluation board and software are available for the AD5162.
- What are some common applications of the AD5162? Common applications include systems calibrations, electronics level settings, mechanical trimmers replacement, and transducer adjustments.
