Overview
The AD5259BRMZ10-R7 is a digital potentiometer produced by Analog Devices Inc. This component is designed to provide a compact, nonvolatile solution for 256-position adjustment applications. It is available in a 10-pin MSOP (Mini Small Outline Package) and is suitable for various electronic adjustment functions, similar to those of mechanical potentiometers or variable resistors, but with enhanced resolution and solid-state reliability.
The device features an I2C-compatible digital interface, allowing for precise control and readback of the wiper settings and EEPROM content. It operates within a wide temperature range of -40°C to 125°C and supports a single supply voltage of 2.7V to 5.5V.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| MPN | AD5259BRMZ10-R7 |
| Package | 10-Pin MSOP |
| Number of Pins | 10 |
| Number of Taps | 256 |
| Memory Type | EEPROM, Non-Volatile |
| Min Supply Voltage | 2.7V |
| Max Supply Voltage | 5.5V |
| Mount | Surface Mount |
| Resistance | 10kΩ |
| Tolerance | ±30% |
| Temperature Coefficient | 500ppm/°C |
| Interface | I2C |
| Max Junction Temperature (Tj) | 150°C |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Quiescent Current | 100nA |
| RoHS Compliance | Yes |
Key Features
- Nonvolatile memory maintains wiper settings.
- 256-position digital potentiometer.
- I2C-compatible digital interface for controlling and reading back wiper settings and EEPROM content.
- Separate VLOGIC pin for increased interface flexibility.
- Address Decode Pins (AD0 and AD1) allow up to four devices on the same bus.
- End-to-end resistance tolerance stored in EEPROM with 0.1% accuracy.
- Power-on EEPROM refresh time less than 1ms.
- Software write protect command for securing settings.
- 100-year typical data retention at 55°C.
- Compact MSOP-10 package (3 mm x 4.9 mm x 1.1 mm).
Applications
- LCD panel VCOM adjustment.
- Automotive applications requiring nonvolatile digital potentiometers.
- Industrial control systems where precise and reliable digital adjustment is necessary.
- Aerospace and defense systems requiring high reliability and precision.
- Medical devices that need accurate and stable digital potentiometer functions.
Q & A
- What is the AD5259BRMZ10-R7 used for?
The AD5259BRMZ10-R7 is a digital potentiometer used for 256-position adjustment applications, similar to mechanical potentiometers or variable resistors, but with enhanced resolution and solid-state reliability.
- What is the package type of the AD5259BRMZ10-R7?
The AD5259BRMZ10-R7 is packaged in a 10-pin MSOP (Mini Small Outline Package).
- What is the operating temperature range of the AD5259BRMZ10-R7?
The operating temperature range is from -40°C to 125°C.
- What interface does the AD5259BRMZ10-R7 use?
The device uses an I2C-compatible digital interface.
- How many positions does the AD5259BRMZ10-R7 have?
The device has 256 positions.
- Is the AD5259BRMZ10-R7 RoHS compliant?
Yes, the AD5259BRMZ10-R7 is RoHS compliant.
- What is the resistance tolerance of the AD5259BRMZ10-R7?
The resistance tolerance is ±30%.
- How does the AD5259BRMZ10-R7 store its settings?
The device stores its settings in nonvolatile EEPROM memory.
- Can multiple AD5259BRMZ10-R7 devices be used on the same bus?
Yes, up to four devices can be used on the same bus using Address Decode Pins (AD0 and AD1).
- What is the typical data retention time for the AD5259BRMZ10-R7?
The typical data retention time is 100 years at 55°C.
