Overview
The AD5114BCPZ80-500R7, produced by Analog Devices Inc., is a single-channel, 32-position digital potentiometer. This component provides a nonvolatile solution for various adjustment applications, offering high precision and reliability. It is designed to operate as a true variable resistor for analog signals, making it suitable for a wide range of applications where mechanical potentiometers are traditionally used.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Resistor Tolerance Error | ±8% | - |
| Wiper Current | ±6 mA | - |
| Rheostat Mode Temperature Coefficient | 35 ppm/°C | - |
| Power Consumption | 2.5 µA max @ 2.7 V and 125°C | - |
| Bandwidth | 4 MHz (5 kΩ option) | - |
| Power-on EEPROM Refresh Time | < 50 µs | - |
| Data Retention | 50-year typical at 125°C | - |
| Write Cycles | 1 million | - |
| 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) | - |
| Number of Positions | 32 | - |
| Resistance Value | 80 kΩ | - |
Key Features
- Nominal resistor tolerance error of ±8% maximum
- Wiper current up to ±6 mA
- Low power consumption of 2.5 µA max at 2.7 V and 125°C
- Wide bandwidth of 4 MHz (5 kΩ option)
- Fast power-on EEPROM refresh time of less than 50 µs
- Long data retention of 50 years at 125°C
- High endurance with 1 million write cycles
- Wide operating temperature range from −40°C to +125°C
- Compact 8-lead LFCSP package (2 mm × 2 mm × 0.55 mm)
- I2C-compatible digital interface for wiper control and readback
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 nominal resistor tolerance error of the AD5114BCPZ80-500R7?
The nominal resistor tolerance error is ±8% maximum.
- What is the maximum wiper current of the AD5114BCPZ80-500R7?
The maximum wiper current is ±6 mA.
- What is the temperature coefficient in rheostat mode?
The temperature coefficient in rheostat mode is 35 ppm/°C.
- What is the power consumption of the AD5114BCPZ80-500R7 at 2.7 V and 125°C?
The power consumption is 2.5 µA maximum.
- What is the bandwidth of the AD5114BCPZ80-500R7 for the 5 kΩ option?
The bandwidth is 4 MHz for the 5 kΩ option.
- How long does it take for the EEPROM to refresh on power-on?
The power-on EEPROM refresh time is less than 50 µs.
- What is the typical data retention period at 125°C?
The typical data retention period is 50 years at 125°C.
- How many write cycles can the AD5114BCPZ80-500R7 endure?
The component can endure 1 million write cycles.
- What is the operating temperature range of the AD5114BCPZ80-500R7?
The operating temperature range is from −40°C to +125°C.
- What type of package does the AD5114BCPZ80-500R7 come in?
The component comes in an 8-lead LFCSP package (2 mm × 2 mm × 0.55 mm).
