Overview
The AD5142BRUZ10, produced by Analog Devices Inc., is a dual-channel, 256-position, SPI, nonvolatile digital potentiometer. This component is designed to provide a nonvolatile solution for adjustment applications, offering high precision and reliability. It is available in a compact 16-lead TSSOP package and operates over an extended industrial temperature range of −40°C to +125°C. The AD5142 is ideal for applications requiring precise resistor settings and low resistor tolerance errors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance Options | 10 kΩ, 100 kΩ | |
| Resistor Tolerance | ±8% maximum | |
| Wiper Current | ±6 mA (10 kΩ), ±1.5 mA (100 kΩ) | mA |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
| Bandwidth | 3 MHz (10 kΩ), 0.43 MHz (100 kΩ) | MHz |
| Start-up Time | < 75 μs | μs |
| Logic Supply Voltage | 1.8 V to 5.5 V | V |
| Operating Temperature | −40°C to +125°C | °C |
| Package Type | 16-lead TSSOP |
Key Features
- Nonvolatile solution for 128-/256-position adjustment applications.
- Guaranteed low resistor tolerance errors of ±8%.
- High bandwidth and low total harmonic distortion (THD) for optimal performance with ac signals.
- Linear gain setting mode allowing independent programming of resistance between terminals.
- Single- and dual-supply operation with independent logic supply.
- Fast start-up time of less than 75 μs.
- Compact 3 mm × 3 mm package options.
- Qualified for automotive applications.
Applications
- Portable electronics level adjustment.
- LCD panel brightness and contrast controls.
- Programmable filters, delays, and time constants.
- Programmable power supplies.
Q & A
- What is the AD5142BRUZ10 used for?
The AD5142BRUZ10 is used for 128-/256-position adjustment applications, providing a nonvolatile solution with high precision and reliability.
- What are the resistance options available for the AD5142BRUZ10?
The AD5142BRUZ10 offers resistance options of 10 kΩ and 100 kΩ.
- What is the maximum wiper current for the 10 kΩ and 100 kΩ resistances?
The maximum wiper current is ±6 mA for 10 kΩ and ±1.5 mA for 100 kΩ.
- What is the temperature coefficient of the AD5142BRUZ10?
The temperature coefficient is 35 ppm/°C.
- What is the bandwidth of the AD5142BRUZ10?
The bandwidth is 3 MHz for 10 kΩ and 0.43 MHz for 100 kΩ.
- What is the start-up time of the AD5142BRUZ10?
The start-up time is less than 75 μs.
- What is the operating temperature range of the AD5142BRUZ10?
The operating temperature range is −40°C to +125°C.
- What package types are available for the AD5142BRUZ10?
The AD5142BRUZ10 is available in a 16-lead TSSOP package.
- Is the AD5142BRUZ10 qualified for automotive applications?
- What are some common applications of the AD5142BRUZ10?
