Overview
The AD5143BCPZ100-RL7 is a quad, 256-position, digital potentiometer produced by Analog Devices Inc. This device is designed to offer high precision and reliability in various analog signal processing applications. It features a dual-supply operation, supporting voltages from 2.5V to 2.75V, and is available in a compact LFCSP package. The AD5143BCPZ100-RL7 is well-suited for applications requiring precise voltage division and adjustable resistance settings.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | - | 256 positions | - | - |
| Integral Nonlinearity (R-INL) | -1 | ±0.1 | +1 | LSB (RAB = 10 kΩ, VDD ≥ 2.7V) |
| Differential Nonlinearity (R-DNL) | -0.5 | ±0.1 | +0.5 | LSB |
| Nominal Resistor Tolerance | -8 | ±1 | +8 | % |
| Resistance Temperature Coefficient | - | 35 | - | ppm/°C |
| Wiper Resistance | 55 | 125 | - | Ω (RAB = 10 kΩ) |
| Interface | - | I2C | - | - |
| Supply Voltage | 2.5 | - | 2.75 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Maximum Junction Temperature | - | - | 150 | °C |
Key Features
- Dual-supply operation: Supports voltages from 2.5V to 2.75V.
- High resolution: 256 positions for precise voltage division and adjustable resistance settings.
- Low integral and differential nonlinearity: Ensures high accuracy in analog signal processing.
- Compact LFCSP package: Suitable for space-constrained applications.
- I2C interface: Facilitates easy communication and control.
- Wide operating temperature range: From -40°C to 125°C.
Applications
The AD5143BCPZ100-RL7 is versatile and can be used in a variety of applications, including:
- Analog signal processing and filtering.
- Audio and video equipment for volume control and signal adjustment.
- Industrial control systems for precise voltage settings.
- Medical devices requiring high precision and reliability.
- Aerospace and defense applications where robust performance is critical.
Q & A
- What is the resolution of the AD5143BCPZ100-RL7?
The AD5143BCPZ100-RL7 has a resolution of 256 positions. - What is the typical supply voltage range for this device?
The typical supply voltage range is from 2.5V to 2.75V. - What interface does the AD5143BCPZ100-RL7 use?
The device uses an I2C interface. - What is the operating temperature range of the AD5143BCPZ100-RL7?
The operating temperature range is from -40°C to 125°C. - What is the maximum junction temperature for this device?
The maximum junction temperature is 150°C. - What is the typical wiper resistance of the AD5143BCPZ100-RL7?
The typical wiper resistance is 125 Ω for a 10 kΩ nominal resistor. - What are the key applications of the AD5143BCPZ100-RL7?
The device is used in analog signal processing, audio and video equipment, industrial control systems, medical devices, and aerospace and defense applications. - What is the package type of the AD5143BCPZ100-RL7?
The device is available in a compact LFCSP package. - What are the integral and differential nonlinearity specifications of the AD5143BCPZ100-RL7?
The integral nonlinearity (R-INL) is ±0.1 LSB, and the differential nonlinearity (R-DNL) is ±0.1 LSB. - How does the AD5143BCPZ100-RL7 handle temperature variations?
The device has a resistance temperature coefficient of 35 ppm/°C.
