Overview
The AD5206BR100, produced by Analog Devices Inc., is a 6-channel, 256-position digitally controlled variable resistor (VR) device. It functions as a digital potentiometer, offering the same electronic adjustment capabilities as a mechanical potentiometer or variable resistor. Each channel of the AD5206 contains a fixed resistor with a wiper contact that can be programmed via a 3-wire SPI-compatible serial data input. This device is suitable for various applications requiring precise and programmable resistance adjustments.
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 | −40°C to +85°C | °C |
| Power-On Preset | Midscale | |
| Interface | 3-wire SPI-compatible serial data input | |
| Package Types | 24-lead SOIC, TSSOP |
Key Features
- 256-position digitally controlled variable resistor
- Multiple independently programmable channels (6 channels for AD5206)
- Potentiometer replacement
- Terminal resistance of 10 kΩ, 50 kΩ, or 100 kΩ
- 3-wire SPI-compatible serial data input
- +2.7 V to +5.5 V single-supply operation; ±2.7 V dual-supply operation
- Power-on midscale preset
- Extended industrial temperature range of −40°C to +85°C
Applications
- Mechanical potentiometer replacement
- Instrumentation: gain, offset adjustment
- Programmable voltage-to-current conversion
- Programmable filters, delays, time constants
- Line impedance matching
Q & A
- What is the AD5206BR100 used for?
The AD5206BR100 is used as a digital potentiometer, replacing mechanical potentiometers and providing programmable resistance adjustments in various applications. - How many channels does the AD5206BR100 have?
The AD5206BR100 has 6 independently programmable channels. - What are the available terminal resistances for the AD5206BR100?
The terminal resistances available are 10 kΩ, 50 kΩ, and 100 kΩ. - What is the operating temperature range of the AD5206BR100?
The operating temperature range is −40°C to +85°C. - What type of interface does the AD5206BR100 use?
The AD5206BR100 uses a 3-wire SPI-compatible serial data input interface. - What is the power-on preset behavior of the AD5206BR100?
The device has a power-on midscale preset. - What are the typical supply voltage ranges for the AD5206BR100?
The supply voltage ranges are +2.7 V to +5.5 V for single-supply and ±2.7 V for dual-supply operation. - What are some common applications of the AD5206BR100?
Common applications include mechanical potentiometer replacement, instrumentation for gain and offset adjustment, programmable voltage-to-current conversion, and line impedance matching. - What packages are available for the AD5206BR100?
The device is available in 24-lead SOIC and TSSOP packages. - How does the AD5206BR100 handle serial data input?
The device uses a 3-wire SPI-compatible serial data input, where data is input MSB first, and the serial clock input is positive edge triggered.
