Overview
The AD5243BRMZ100-RL7 is a dual, 256-position, I2C-compatible digital potentiometer produced by Analog Devices Inc. This device is designed to provide a compact and highly accurate solution for variable resistance adjustments. It operates as a digital alternative to mechanical potentiometers and variable resistors, offering high stability and precision. The AD5243BRMZ100-RL7 is part of the AD5243 series, which includes various end-to-end resistance values, including 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ. This specific model features a 100 kΩ end-to-end resistance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-end Resistance | 100 kΩ | kΩ |
| Number of Positions | 256 | - |
| Package Type | 10-Lead MSOP | - |
| Operating Temperature Range | −40°C to +125°C | °C |
| Supply Voltage Range | 2.7 V to 5.5 V | V |
| Supply Current | 3.5 to 6 µA | µA |
| Wiper Resistance | 160 Ω | Ω |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Settling Time | 5 µs (typical) | µs |
Key Features
- Dual, 256-position digital potentiometer with I2C-compatible interface.
- Compact 10-lead MSOP package (3 mm × 4.9 mm).
- Power-on preset to midscale for simplified fault condition recovery.
- Full read/write of wiper register.
- Low power consumption: maximum 6 µA supply current.
- Low temperature coefficient: 35 ppm/°C.
- Wide operating temperature range: −40°C to +125°C.
- Fast settling time: 5 µs typical on power-up.
- Computer software available for factory programming, eliminating the need for external I2C controllers.
Applications
- System calibrations.
- Electronic level settings.
- Replacement of mechanical trimmers in new designs.
- Permanent factory settings on printed circuit boards (PCBs).
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors.
- RF amplifier biasing.
- Gain control and offset adjustment.
Q & A
- What is the end-to-end resistance of the AD5243BRMZ100-RL7?
The end-to-end resistance of the AD5243BRMZ100-RL7 is 100 kΩ.
- How many positions does the AD5243BRMZ100-RL7 have?
The AD5243BRMZ100-RL7 has 256 positions.
- What is the package type of the AD5243BRMZ100-RL7?
The package type is a 10-Lead MSOP.
- What is the operating temperature range of the AD5243BRMZ100-RL7?
The operating temperature range is −40°C to +125°C.
- What is the supply voltage range for the AD5243BRMZ100-RL7?
The supply voltage range is 2.7 V to 5.5 V.
- How much current does the AD5243BRMZ100-RL7 consume?
The supply current is between 3.5 µA and 6 µA.
- What is the wiper resistance of the AD5243BRMZ100-RL7?
The wiper resistance is 160 Ω.
- What is the temperature coefficient of the AD5243BRMZ100-RL7?
The temperature coefficient is 35 ppm/°C.
- What is the settling time of the AD5243BRMZ100-RL7 on power-up?
The settling time is typically 5 µs on power-up.
- Is there software available for programming the AD5243BRMZ100-RL7?
