Overview
The AD5207BRU10, produced by Analog Devices Inc., is a 2-channel, 256-position digital potentiometer. This device performs the same electronic adjustment function as a mechanical potentiometer but offers the advantages of digital control. Each channel contains a fixed resistor with a wiper contact that can be adjusted through a digital code, allowing for precise and programmable resistance values between the terminals. The device is suitable for a wide range of applications requiring precise voltage control and adjustment.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Number of Channels | 2 | |
| Number of Positions | 256 | |
| Resistor Values | 10 kΩ, 50 kΩ, 100 kΩ | Nominal values |
| Temperature Range | -40°C to +125°C | Extended industrial temperature range |
| Power Supply | +2.7V to +5.5V (single supply), ±2.7V (dual supply) | |
| Shutdown Current | < 5µA | During shutdown mode |
| Package Type | 14-TSSOP | Thin Small Outline Package |
| Interface | 3-Wire SPI Compatible | Serial Data Input, Chip Select, Clock |
Key Features
- Digital Control: The AD5207BRU10 allows for precise control of resistance values through a digital interface, enabling dynamic adjustments in various applications.
- High Resolution: With 256 positions, the device offers high resolution for fine-tuning resistance values.
- Low Power Shutdown: The device features a shutdown mode that reduces current consumption to less than 5µA, making it suitable for battery-powered devices.
- Non-Volatile Memory: The device retains its resistance settings even when power is removed, ensuring consistent operation upon power-up.
- SPI Compatible Interface: The 3-wire serial interface simplifies integration with microcontrollers and other digital systems.
Applications
- Mechanical Potentiometer Replacement: The AD5207BRU10 can replace mechanical potentiometers in various applications, offering greater reliability and precision.
- Audio Equipment: Suitable for volume control, tone adjustment, and balance control in audio systems.
- Instrumentation: Used for gain, offset adjustment, and signal conditioning in test and measurement instruments.
- Motor Control: Employed for speed control, position sensing, and feedback adjustment in motor control systems.
- Automotive Electronics: Used for various adjustments and controls in automotive electronics.
Q & A
- What is the AD5207BRU10?
The AD5207BRU10 is a 2-channel, 256-position digital potentiometer produced by Analog Devices Inc.
- What are the available resistor values for the AD5207BRU10?
The device is available with nominal resistor values of 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating temperature range of the AD5207BRU10?
The device operates over an extended industrial temperature range of -40°C to +125°C.
- How does the AD5207BRU10 interface with external systems?
The device uses a 3-wire SPI compatible serial interface for communication.
- What is the power consumption during shutdown mode?
The device consumes less than 5µA during shutdown mode.
- Does the AD5207BRU10 retain its settings when power is removed?
Yes, the device retains its resistance settings even when power is removed due to its non-volatile memory.
- What are some common applications of the AD5207BRU10?
Common applications include mechanical potentiometer replacement, audio equipment, instrumentation, motor control, and automotive electronics.
- What package type is the AD5207BRU10 available in?
The device is available in a 14-TSSOP package.
- How many transistors does the AD5207 contain?
The AD5207 contains 474 transistors.
- What is the bandwidth of the AD5207BRU10 when configured as a potentiometer divider?
The -3 dB bandwidth of the AD5207BRU10 (10 kΩ resistor) measures 600 kHz at half scale.
