Overview
The AD5162BRMZ10 from Analog Devices Inc. is a dual, 256-position SPI digital potentiometer. This device is designed to provide a compact solution for various adjustment applications, mimicking the function of a 3-terminal mechanical potentiometer. It 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. The AD5162 is available in a 10-lead MSOP package and is qualified for automotive applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD5162BRMZ10 |
| Package | 10-lead MSOP (3 mm × 4.9 mm) |
| End-to-End Resistance | 2.5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ |
| Number of Positions | 256 positions per channel |
| Supply Voltage | 2.7 V to 5.5 V |
| Supply Current | Less than 6 µA |
| Temperature Coefficient | 35 ppm/°C |
| Operating Temperature | −40°C to +125°C |
| Interface | SPI compatible digital interface |
| Settling Time | 5 µs typical on power-up |
Key Features
- Dual-channel, 256-position digital potentiometer
- Compact 10-lead MSOP package
- Fast settling time of 5 µs typical on power-up
- Full read/write of wiper register
- Power-on preset to midscale
- Low power consumption: IDD = 6 µA maximum
- Low temperature coefficient: 35 ppm/°C
- Wide operating temperature range: −40°C to +125°C
- SPI compatible digital interface
- Evaluation board and software available
- Qualified for automotive applications
Applications
- Systems calibrations
- Electronics level settings
- Replacement of mechanical trimmers in new designs
- Permanent factory PCB settings
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Automotive electronics adjustment
- Gain control and offset adjustment
Q & A
- 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.
- What are the available end-to-end resistance values for the AD5162?
The AD5162 is available with end-to-end resistance values of 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the typical settling time of the AD5162 on power-up?
The typical settling time on power-up is 5 µs..
- What interface does the AD5162 use for control?
The AD5162 uses an SPI compatible digital interface..
- What is the maximum supply current of the AD5162?
The maximum supply current is less than 6 µA..
- What is the temperature coefficient of the AD5162?
The temperature coefficient 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 kind of package does the AD5162 come in?
The AD5162 comes in a 10-lead MSOP package (3 mm × 4.9 mm).
- Are evaluation boards and software available for the AD5162?
Yes, evaluation boards and software are available for the AD5162..
