Overview
The AD5243BRM100-RL7 is a dual, 256-position, I²C-compatible digital potentiometer integrated circuit manufactured by Analog Devices Inc. This device offers precise digital control over resistance settings, making it versatile for various applications. It operates from a single supply voltage ranging from 2.7V to 5.5V and consumes less than 6 µA, making it suitable for battery-operated devices. The chip features non-volatile memory, ensuring that settings are retained even when power is removed.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 100k | Ohms |
| Number of Taps | 256 | - |
| Number of Circuits | 2 | - |
| Configuration | Potentiometer | - |
| Taper | Linear | - |
| Interface | I²C | - |
| Voltage - Supply | 2.7V ~ 5.5V | V |
| Operating Temperature | -40°C ~ 125°C | °C |
| Temperature Coefficient | 35 ppm/°C | - |
| Resistance - Wiper (Typ) | 160 | Ohms |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | - |
| Mounting Type | Surface Mount | - |
| Memory Type | Volatile | - |
Key Features
- Digital Control: The AD5243BRM100-RL7 is a digitally controlled potentiometer, allowing for precise and accurate adjustments using a microcontroller or other digital interfaces.
- Non-Volatile Memory: The chip retains its settings even when power is removed, which is useful in applications where settings need to be preserved across power cycles.
- Low Power Consumption: It operates with low power consumption, making it suitable for battery-powered devices or applications where power efficiency is crucial.
- Small Form Factor: The chip comes in a small form factor package, making it suitable for space-constrained applications or designs where size is a critical factor.
- Wide Operating Temperature Range: It operates from -40°C to 125°C, making it versatile for various environmental conditions.
- Low Temperature Coefficient: The device has a low temperature coefficient of 35 ppm/°C, ensuring stable performance across different temperatures.
Applications
- Audio Equipment: Used in audio equipment such as amplifiers or mixers to control volume levels or tone adjustments digitally.
- Industrial Control Systems: Used to adjust parameters digitally, such as controlling motor speed or setting calibration values.
- Test and Measurement Instruments: Used to provide digitally controlled variable resistors for precise adjustments and calibration.
- Consumer Electronics: Used in consumer electronics devices to provide digitally controlled adjustments for settings like brightness, contrast, or color balance.
- Medical Devices: Applied in medical devices where precise control of parameters is required, such as in patient monitoring systems or medical imaging equipment.
Q & A
- What is the AD5243BRM100-RL7?
The AD5243BRM100-RL7 is a dual, 256-position, I²C-compatible digital potentiometer integrated circuit manufactured by Analog Devices Inc.
- What is the operating voltage range of the AD5243BRM100-RL7?
The device operates from a single supply voltage ranging from 2.7V to 5.5V.
- How many taps does the AD5243BRM100-RL7 have?
The device has 256 taps.
- What is the typical wiper resistance of the AD5243BRM100-RL7?
The typical wiper resistance is 160 Ohms.
- Does the AD5243BRM100-RL7 have non-volatile memory?
No, the AD5243BRM100-RL7 has volatile memory, meaning it does not retain its settings when power is removed.
- What is the temperature coefficient of the AD5243BRM100-RL7?
The temperature coefficient is 35 ppm/°C.
- What are the common applications of the AD5243BRM100-RL7?
Common applications include audio equipment, industrial control systems, test and measurement instruments, consumer electronics, and medical devices.
- What is the package type of the AD5243BRM100-RL7?
The device comes in a 10-TFSOP or 10-MSOP package.
- Is the AD5243BRM100-RL7 RoHS compliant?
No, the AD5243BRM100-RL7 is not RoHS compliant.
- What is the operating temperature range of the AD5243BRM100-RL7?
The device operates from -40°C to 125°C.
