Overview
The AD5111BCPZ10-500R7 is a single-channel, 128-position, up/down, nonvolatile digital potentiometer produced by Analog Devices Inc. This device is designed to provide a nonvolatile solution for various adjustment applications, offering low resistor tolerance errors and high bandwidth. It is particularly suited for battery-powered applications due to its single-supply operation from 2.3 V to 5.5 V. The AD5111 features a simple 3-wire up/down interface, allowing for both manual switching and high-speed digital control with clock rates up to 50 MHz.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Resistance | 10 kΩ | kΩ |
| Number of Positions | 128 | - |
| Resistor Tolerance Error | ±8% | % |
| Wiper Current | ±6 mA | mA |
| Rheostat Mode Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Bandwidth | 4 MHz (5 kΩ option) | MHz |
| Power-on EEPROM Refresh Time | < 50 μs | μs |
| Data Retention | 50 years at 125°C | years |
| Write Cycles | 1 million | - |
| Supply Voltage Range | 2.3 V to 5.5 V | V |
| Operating Temperature Range | −40°C to +125°C | °C |
| Package Type | 8-lead LFCSP (2 mm × 2 mm × 0.55 mm) | - |
Key Features
- Single-supply operation from 2.3 V to 5.5 V, making it suitable for battery-powered applications.
- Low resistor tolerance error of ±8% and high bandwidth of up to 4 MHz (5 kΩ option).
- Up to ±6 mA current density in the A, B, and W pins.
- Simple 3-wire up/down interface for manual switching or high-speed digital control with clock rates up to 50 MHz.
- Nonvolatile memory with 50-year typical data retention at 125°C and 1 million write cycles.
- Wide operating temperature range of −40°C to +125°C.
- Compact 8-lead LFCSP package (2 mm × 2 mm × 0.55 mm).
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 resistance of the AD5111BCPZ10-500R7?
The nominal resistance is 10 kΩ.
- How many positions does the AD5111BCPZ10-500R7 have?
The device has 128 positions.
- What is the resistor tolerance error of the AD5111BCPZ10-500R7?
The resistor tolerance error is ±8%.
- What is the maximum wiper current of the AD5111BCPZ10-500R7?
The maximum wiper current is ±6 mA.
- What is the bandwidth of the AD5111BCPZ10-500R7?
The bandwidth is up to 4 MHz (5 kΩ option).
- What is the power-on EEPROM refresh time of the AD5111BCPZ10-500R7?
The power-on EEPROM refresh time is less than 50 μs.
- How many write cycles does the AD5111BCPZ10-500R7 support?
The device supports 1 million write cycles.
- What is the operating temperature range of the AD5111BCPZ10-500R7?
The operating temperature range is −40°C to +125°C.
- What type of package does the AD5111BCPZ10-500R7 come in?
The device comes in an 8-lead LFCSP package (2 mm × 2 mm × 0.55 mm).
- What are some common applications of the AD5111BCPZ10-500R7?
Common applications include mechanical potentiometer replacement, portable electronics level adjustment, audio volume control, and sensor calibration.
