Overview
The AD5263BRU200, manufactured by Analog Devices Inc., is a quad-channel, 256-position digital potentiometer. This device is designed to replace mechanical potentiometers and variable resistors with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance. It features a selectable digital interface, allowing communication via either 3-wire SPI or 2-wire I2C-compatible protocols. The AD5263BRU200 operates over a wide voltage range and is packaged in a 24-TSSOP (0.173", 4.40mm Width) package, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 24-TSSOP (0.173", 4.40mm Width) |
| Configuration | Potentiometer |
| Number of Circuits | 4 |
| Number of Taps | 256 |
| Resistance (Ohms) | 200k |
| Interface | I2C, SPI |
| Memory Type | Volatile |
| Voltage - Supply | 4.5 V ~ 16.5 V, ±4.5 V ~ 7.5 V |
| Temperature Coefficient (Typ) | 30 ppm/°C |
| Resistance - Wiper (Ohms) (Typ) | 60 |
| Operating Temperature Range | –40°C to +125°C |
Key Features
- Selectable digital interface: 3-wire SPI or 2-wire I2C-compatible.
- Quad-channel, 256-position digital potentiometer.
- Wide operating voltage range: 4.5 V to 16.5 V single supply, ±4.5 V to ±7.5 V dual supply.
- Low temperature coefficient: 30 ppm/°C for rheostat mode, 5 ppm/°C for voltage divider mode.
- Cascade pin for multi-device operation.
- Programmable logic outputs for driving digital loads, logic gates, and analog switches.
Applications
- Mechanical potentiometer replacement.
- Optical network adjustment.
- Instrumentation: gain, offset adjustment.
- Stereo channel audio level control.
- Automotive electronics adjustment.
- Programmable power supply.
- Programmable filters, delays, time constants.
- Line impedance matching.
- Low resolution DAC/trimmer replacement.
- Base station power amp biasing.
- Sensor calibration).
Q & A
- What is the AD5263BRU200 used for?
The AD5263BRU200 is used as a digital potentiometer to replace mechanical potentiometers and variable resistors in various applications, offering enhanced resolution and reliability.
- What are the key interfaces of the AD5263BRU200?
The device supports both 3-wire SPI and 2-wire I2C-compatible digital interfaces).
- What is the operating voltage range of the AD5263BRU200?
The device operates over a voltage range of 4.5 V to 16.5 V single supply and ±4.5 V to ±7.5 V dual supply).
- What is the temperature coefficient of the AD5263BRU200?
The temperature coefficient is 30 ppm/°C for rheostat mode and 5 ppm/°C for voltage divider mode).
- How many channels does the AD5263BRU200 have?
The device has four channels, each with 256 positions).
- What is the package type of the AD5263BRU200?
The device is packaged in a 24-TSSOP (0.173", 4.40mm Width) package).
- What are some common applications of the AD5263BRU200?
Common applications include mechanical potentiometer replacement, optical network adjustment, instrumentation, audio level control, and more).
- Is the AD5263BRU200 RoHS compliant?
Yes, the AD5263BRU200 is RoHS compliant).
- What is the typical resistance of the wiper in the AD5263BRU200?
The typical resistance of the wiper is 60 Ohms).
- Can the AD5263BRU200 be used in high-temperature environments?
Yes, the device operates over a wide temperature range from –40°C to +125°C).
