Overview
The AD5114BCPZ10-RL7 is a digital programmable resistor produced by Analog Devices Inc. This component is part of the AD5110/AD5112/AD5114 series, designed to operate as true variable resistors for analog signals. It offers a nonvolatile solution for 32-position adjustment applications, making it suitable for a variety of precision adjustment needs in electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 32 | - |
| Resistor Tolerance | ±8% | - |
| Wiper Current | ±6 mA | - |
| Rheostat Mode Temperature Coefficient | 35 ppm/°C | - |
| Power Consumption | 2.5 µA max @ 2.7 V and 125°C | - |
| Analog Supply Voltage | 2.3 V to 5.5 V | - |
| Logic Supply Voltage | 1.8 V to 5.5 V | - |
| Operating Temperature | −40°C to +125°C | - |
| Package Type | 8-lead LFCSP (2 mm × 2 mm × 0.55 mm) | - |
| Interface | I2C | - |
| Resistance Value | 10 kΩ | - |
Key Features
- Nominal resistor tolerance error: ±8% maximum
- Wiper current: ±6 mA
- Rheostat mode temperature coefficient: 35 ppm/°C
- Low power consumption: 2.5 µA max @ 2.7 V and 125°C
- Wide bandwidth: 4 MHz (5 kΩ option)
- Power-on EEPROM refresh time < 50 μs
- 50-year typical data retention at 125°C
- 1 million write cycles
- Wide operating temperature: −40°C to +125°C
- Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package
Applications
- Mechanical potentiometer replacement
- Portable electronics level adjustment
- Audio volume control
- Low resolution DAC
- LCD panel brightness and contrast control
- Programmable voltage to current conversion
- Programmable filters, delays, time constants
- Feedback resistor programmable power supply
- Sensor calibration
Q & A
- What is the AD5114BCPZ10-RL7 used for?
The AD5114BCPZ10-RL7 is used as a digital programmable resistor, replacing mechanical potentiometers and providing precise adjustment in various electronic applications. - What is the resistor tolerance of the AD5114BCPZ10-RL7?
The resistor tolerance is ±8% maximum. - What is the wiper current capacity of the AD5114BCPZ10-RL7?
The wiper current capacity is ±6 mA. - What is the temperature coefficient in rheostat mode?
The temperature coefficient in rheostat mode is 35 ppm/°C. - What are the operating voltage ranges for the AD5114BCPZ10-RL7?
The analog supply voltage range is 2.3 V to 5.5 V, and the logic supply voltage range is 1.8 V to 5.5 V. - What is the package type of the AD5114BCPZ10-RL7?
The package type is an 8-lead LFCSP (2 mm × 2 mm × 0.55 mm). - What interface does the AD5114BCPZ10-RL7 use?
The AD5114BCPZ10-RL7 uses an I2C interface. - What are some common applications of the AD5114BCPZ10-RL7?
Common applications include mechanical potentiometer replacement, portable electronics level adjustment, audio volume control, and sensor calibration. - How many write cycles can the AD5114BCPZ10-RL7 endure?
The AD5114BCPZ10-RL7 can endure 1 million write cycles. - What is the typical data retention time at 125°C?
The typical data retention time at 125°C is 50 years.
