Overview
The AD5260BRUZ200, manufactured by Analog Devices Inc., is a single-channel, 256-position, digitally controlled variable resistor (VR) device. This component operates as a digital potentiometer, offering the same electronic adjustment function as a traditional potentiometer or variable resistor but with the advantages of solid-state reliability and compact electronic packaging. It is part of the AD5260 series, which includes various models with different resistance values.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 1 | - |
| Number of Positions | 256 | - |
| Resistance Range | 20 kΩ, 50 kΩ, 200 kΩ | Ω |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Supply Voltage (Single-Supply) | 4.5 V to 16.5 V | V |
| Supply Voltage (Dual-Supply) | ±4.5 V to ±5.5 V | V |
| Logic Supply Voltage | 2.7 V to 5.5 V | V |
| Operating Temperature Range | −40°C to +85°C | °C |
| Package Type | 14-Lead TSSOP | - |
Key Features
- SPI-Compatible Serial Interface: The device uses a 4-wire SPI-compatible serial data input for programming the resistance value.
- Programmable Resistance: The resistance between the wiper and either end point of the fixed resistor varies linearly with respect to the digital code transferred into the VR latch.
- Low Temperature Coefficient: A nominal temperature coefficient of 35 ppm/°C ensures stable performance over a wide temperature range.
- Power On Mid-Scale Preset: The device presets to mid-scale upon power-on.
- Compact Packaging: Available in thin surface-mount 14-lead TSSOP packages.
- High Voltage Operation: Can operate up to 15 V or ±5 V, extending beyond the typical 5 V operating range of most digital potentiometers.
Applications
- Mechanical Potentiometer Replacement: Replaces traditional mechanical potentiometers with solid-state reliability.
- Instrumentation: Used for gain and offset adjustments in various instrumentation applications.
- Audio Level Control: Suitable for stereo channel audio level control.
- Programmable Voltage-to-Current Conversion: Can be used in voltage-to-current conversion circuits.
- Programmable Filters, Delays, Time Constants: Used in filter, delay, and time constant applications.
- Line Impedance Matching: Helps in matching line impedances in various circuits.
- Low Resolution DAC Replacement: Can replace low-resolution digital-to-analog converters (DACs) in certain applications.
Q & A
- What is the AD5260BRUZ200 used for?
The AD5260BRUZ200 is used as a digital potentiometer, replacing traditional mechanical potentiometers in various applications.
- How many positions does the AD5260BRUZ200 have?
The AD5260BRUZ200 has 256 positions.
- What are the available resistance ranges for the AD5260BRUZ200?
The available resistance ranges are 20 kΩ, 50 kΩ, and 200 kΩ.
- What is the temperature coefficient of the AD5260BRUZ200?
The temperature coefficient is 35 ppm/°C.
- What is the operating voltage range for the AD5260BRUZ200?
The device can operate from a single supply of 4.5 V to 16.5 V or a dual supply of ±4.5 V to ±5.5 V.
- What interface does the AD5260BRUZ200 use for programming?
The device uses a 4-wire SPI-compatible serial interface for programming.
- What is the package type of the AD5260BRUZ200?
The device is available in a 14-lead TSSOP package.
- What is the operating temperature range of the AD5260BRUZ200?
The operating temperature range is −40°C to +85°C.
- Does the AD5260BRUZ200 have a power-on preset feature?
Yes, the device presets to mid-scale upon power-on.
- Can the AD5260BRUZ200 be used in audio applications?
Yes, it is suitable for stereo channel audio level control.
