Overview
The AD5245BRJZ5-RL7Q235, produced by Analog Devices Inc., is a 256-position digital potentiometer designed to provide a compact and reliable solution for electronic adjustment applications. This device is packaged in a small SOT-23-8 package, measuring 2.9 mm x 3 mm, making it ideal for space-constrained designs. It operates as a digital alternative to mechanical potentiometers or variable resistors, offering enhanced resolution and solid-state reliability.
Key Specifications
| Specification | Value |
|---|---|
| Number of Positions | 256 |
| End-to-End Resistance | 5 kΩ |
| Package Type | SOT-23-8 |
| Package Dimensions | 2.9 mm x 3 mm |
| Supply Voltage | 2.7 V to 5.5 V |
| Current Consumption | 8 µA |
| Operating Temperature | –40°C to +125°C |
| Temperature Coefficient | 45 ppm/°C |
| Interface | I²C-compatible, up to 400 kHz |
| Settling Time | 5 µs (typical on power-up) |
Key Features
- 256-position adjustment
- End-to-end resistance options: 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
- Compact SOT-23-8 package
- Fast settling time: 5 µs typical on power-up
- Full read/write of wiper register
- Power-on preset to midscale
- Extra package address decode pin (AD0)
- Single supply: 2.7 V to 5.5 V
- Low power consumption: 8 µA
- Wide operating temperature range: –40°C to +125°C
- Low temperature coefficient: 45 ppm/°C
- I²C-compatible serial interface up to 400 kHz
Applications
The AD5245BRJZ5-RL7Q235 is suitable for a variety of applications, including:
- Battery-powered devices due to its low power consumption
- Adjustment and calibration in industrial and automotive systems
- Audio and video equipment requiring precise volume or tone control
- Medical devices where precise resistance settings are critical
- Any application requiring digital potentiometer functionality with high resolution and reliability
Q & A
- What is the package type of the AD5245BRJZ5-RL7Q235?
The AD5245BRJZ5-RL7Q235 is packaged in an SOT-23-8 package. - What are the end-to-end resistance options for this device?
The device is available with end-to-end resistances of 5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ. - What is the operating voltage range of the AD5245BRJZ5-RL7Q235?
The device operates from a single supply voltage of 2.7 V to 5.5 V. - What is the typical settling time of the AD5245BRJZ5-RL7Q235 on power-up?
The typical settling time on power-up is 5 µs. - Does the AD5245BRJZ5-RL7Q235 support full read/write of the wiper register?
Yes, the device supports full read/write of the wiper register. - What is the power consumption of the AD5245BRJZ5-RL7Q235?
The device consumes less than 8 µA. - What is the operating temperature range of the AD5245BRJZ5-RL7Q235?
The device operates over a temperature range of –40°C to +125°C. - What type of interface does the AD5245BRJZ5-RL7Q235 use?
The device uses an I²C-compatible serial interface. - Can multiple AD5245 devices be placed on the same bus?
Yes, multiple devices can be placed on the same bus using the AD0 pin for address decoding. - Is an evaluation board available for the AD5245BRJZ5-RL7Q235?
Yes, an evaluation board (EVAL-AD5245) is available for this device.
