Overview
The AD5162BRM50 is a dual, 256-position SPI digital potentiometer manufactured by Analog Devices Inc. This device is designed for high accuracy and stability in variable resistance adjustments. It operates from a 2.7 V to 5.5 V power supply, making it suitable for portable battery-operated applications. The AD5162BRM50 features a low temperature coefficient and is available in various end-to-end resistance values, including 50 kΩ in this specific model.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Circuits | 2 | |
| Number of Taps | 256 | |
| Resistance (Ohms) | 50 kΩ | Ω |
| Interface | SPI | |
| Memory Type | Volatile | |
| Voltage - Supply | 2.7 V ~ 5.5 V | V |
| Tolerance | ±20% | % |
| Temperature Coefficient (Typ) | 35 ppm/°C | ppm/°C |
| Operating Temperature | -40°C ~ 125°C | °C |
| Package | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | |
| Mounting Type | Surface Mount | |
| Supply Current | < 6 µA | µA |
| Power Dissipation | 30 µW | µW |
Key Features
- Low power consumption: Less than 6 µA, making it suitable for battery-operated applications.
- High accuracy and stability: Low temperature coefficient of 35 ppm/°C.
- SPI digital interface: Allows for precise control of the wiper settings through a serial interface.
- Linear taper: The resistance between the wiper and either endpoint of the fixed resistor varies linearly with respect to the digital code.
- Wide operating temperature range: -40°C to 125°C.
- Compact packaging: Available in 10-TFSOP and 10-MSOP packages.
Applications
- Portable battery-operated devices: Due to its low power consumption, it is ideal for devices that require long battery life.
- Audio and video equipment: For volume control and other variable resistance applications.
- Industrial control systems: For precise adjustment of resistance in various industrial settings.
- Medical devices: Where high accuracy and stability are crucial.
- Automotive systems: For applications requiring robust and reliable variable resistance adjustments.
Q & A
- What is the operating voltage range of the AD5162BRM50?
The AD5162BRM50 operates from a 2.7 V to 5.5 V power supply.
- How many positions does the AD5162BRM50 have?
The AD5162BRM50 has 256 positions.
- What is the interface type of the AD5162BRM50?
The interface type is SPI (Serial Peripheral Interface).
- What is the typical temperature coefficient of the AD5162BRM50?
The typical temperature coefficient is 35 ppm/°C.
- What is the maximum supply current of the AD5162BRM50?
The maximum supply current is less than 6 µA.
- What are the available resistance values for the AD5162 series?
The AD5162 series is available in 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ resistance values, with the AD5162BRM50 specifically being 50 kΩ.
- What is the operating temperature range of the AD5162BRM50?
The operating temperature range is -40°C to 125°C.
- What type of memory does the AD5162BRM50 use?
The AD5162BRM50 uses volatile memory.
- What is the package type of the AD5162BRM50?
The package types are 10-TFSOP and 10-MSOP.
- Is the AD5162BRM50 suitable for surface mounting?
