Overview
The AD5259BRMZ10, produced by Analog Devices Inc., is a nonvolatile, I2C-compatible 256-position digital potentiometer. This component is designed to provide a compact solution for various adjustment applications, offering enhanced resolution and solid-state reliability compared to mechanical potentiometers or variable resistors. Available in both LFCSP-10 (3 mm x 3 mm) and MSOP-10 (3 mm x 4.9 mm) packages, it is suitable for a wide range of electronic adjustment needs.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Package Type | LFCSP-10, MSOP-10 | Compact packages with dimensions 3 mm x 3 mm and 3 mm x 4.9 mm respectively |
| Positions | 256 | Number of adjustable positions |
| Interface | I2C-compatible | Digital interface for controlling and reading wiper settings and EEPROM content |
| End-to-end Resistance | 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ | Available resistance values |
| Resistance Tolerance | 0.1% accuracy | Tolerance stored in EEPROM |
| Power Supply | 3 V to 5 V single supply | Operating voltage range |
| Operating Temperature | −40°C to +125°C | Temperature range for operation |
| Data Retention | 100-year typical at 55°C | Long-term data retention capability |
| VLOGIC Pin | Provides increased interface flexibility | Separate logic power supply pin |
| Address Decode Pins | AD0 and AD1 | Allow up to four devices on the same bus |
Key Features
- Nonvolatile Memory: Maintains wiper settings even after power-off
- Compact Packaging: Available in LFCSP-10 and MSOP-10 packages
- I2C-Compatible Interface: For controlling and reading wiper settings and EEPROM content
- VLOGIC Pin: Provides increased interface flexibility
- High Accuracy: Resistance tolerance stored in EEPROM with 0.1% accuracy
- Fast Power-on EEPROM Refresh: Less than 1 ms
- Software Write Protect Command: For securing the EEPROM content
- Wide Operating Temperature Range: −40°C to +125°C
Applications
- LCD Panel VCOM Adjustment: For adjusting the common voltage in LCD panels
- LCD Panel Brightness and Contrast Control: For adjusting display settings
- Mechanical Potentiometer Replacement: In new designs for enhanced reliability and resolution
- Programmable Power Supplies: For adjustable voltage settings
- RF Amplifier Biasing: For precise biasing in RF amplifiers
- Automotive Electronics Adjustment: For various adjustment needs in automotive systems
- Gain Control and Offset Adjustment: In various electronic circuits
- Fiber to the Home Systems: For adjusting signal levels
Q & A
- What is the AD5259BRMZ10 used for?
The AD5259BRMZ10 is a digital potentiometer used for various electronic adjustment applications, replacing mechanical potentiometers or variable resistors with enhanced resolution and reliability.
- What are the available package types for the AD5259BRMZ10?
The AD5259BRMZ10 is available in LFCSP-10 and MSOP-10 packages.
- How many adjustable positions does the AD5259BRMZ10 have?
The AD5259BRMZ10 has 256 adjustable positions.
- What is the interface type of the AD5259BRMZ10?
The AD5259BRMZ10 uses an I2C-compatible interface.
- What are the available end-to-end resistance values for the AD5259BRMZ10?
The available resistance values are 5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the accuracy of the resistance tolerance in the AD5259BRMZ10?
The resistance tolerance is stored in EEPROM with an accuracy of 0.1%.
- What is the operating temperature range of the AD5259BRMZ10?
The operating temperature range is −40°C to +125°C.
- How long does the AD5259BRMZ10 retain its data?
The AD5259BRMZ10 has a typical data retention of 100 years at 55°C.
- What is the purpose of the VLOGIC pin in the AD5259BRMZ10?
The VLOGIC pin provides increased interface flexibility.
- Can multiple AD5259BRMZ10 devices be connected on the same bus?
Yes, up to four devices can be connected on the same bus using the Address Decode Pins AD0 and AD1.
