Overview
The AD5206BR10, produced by Analog Devices Inc., is a 6-channel, 256-position digitally controlled variable resistor (VR) device. This component functions as a digital potentiometer, offering the same electronic adjustment capabilities as a mechanical potentiometer or variable resistor. Each channel contains a fixed resistor with a wiper contact that can be programmed to tap the fixed resistor value at various points using a digital code loaded into the SPI-compatible serial-input register.
The device is designed for a wide range of applications, including instrumentation, programmable voltage-to-current conversion, and line impedance matching. It operates over a single-supply voltage range of +2.7 V to +5.5 V or a dual-supply voltage range of ±2.7 V, making it versatile for various system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 6 | |
| Number of Positions | 256 | |
| Terminal Resistance | 10 kΩ, 50 kΩ, 100 kΩ | |
| Supply Voltage (Single-Supply) | +2.7 V to +5.5 V | V |
| Supply Voltage (Dual-Supply) | ±2.7 V | V |
| Operating Temperature Range | −40°C to +85°C | °C |
| Package Type | 24-Lead SOIC (Wide), 24-Lead TSSOP | |
| Interface | 3-wire SPI-compatible serial data input | |
| Power-on Preset | Midscale |
Key Features
- 256-position digital potentiometer with 6 independently programmable channels
- Terminal resistance options: 10 kΩ, 50 kΩ, 100 kΩ
- 3-wire SPI-compatible serial data input for easy digital control
- Single-supply operation: +2.7 V to +5.5 V; dual-supply operation: ±2.7 V
- Power-on midscale preset for consistent startup conditions
- Available in 24-Lead SOIC (Wide) and 24-Lead TSSOP packages
- Guaranteed operation over the extended industrial temperature range of −40°C to +85°C
Applications
- Mechanical potentiometer replacement
- Instrumentation: gain and offset adjustment
- Programmable voltage-to-current conversion
- Programmable filters, delays, and time constants
- Line impedance matching
Q & A
- What is the AD5206BR10 used for?
The AD5206BR10 is used as a digital potentiometer, replacing mechanical potentiometers in various applications such as instrumentation, programmable voltage-to-current conversion, and line impedance matching.
- How many channels does the AD5206BR10 have?
The AD5206BR10 has 6 independently programmable channels.
- What are the terminal resistance options for the AD5206BR10?
The terminal resistance options are 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating voltage range for the AD5206BR10?
The AD5206BR10 operates over a single-supply voltage range of +2.7 V to +5.5 V or a dual-supply voltage range of ±2.7 V.
- What interface does the AD5206BR10 use for digital control?
The AD5206BR10 uses a 3-wire SPI-compatible serial data input for digital control.
- What is the power-on preset condition for the AD5206BR10?
The AD5206BR10 has a power-on midscale preset.
- In what packages is the AD5206BR10 available?
The AD5206BR10 is available in 24-Lead SOIC (Wide) and 24-Lead TSSOP packages.
- What is the operating temperature range for the AD5206BR10?
The AD5206BR10 is guaranteed to operate over the extended industrial temperature range of −40°C to +85°C.
- Can the AD5206BR10 be used in place of mechanical potentiometers?
- What are some common applications of the AD5206BR10?
