Overview
The AD7678ACPRL is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to convert analog signals into digital signals with high precision and speed. It is housed in a 48-lead Lead Frame Chip Scale Package (LFCSP) and operates over a temperature range of -40°C to +85°C, making it suitable for a variety of applications in different environmental conditions.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | Up to 100 kSPS |
| Integral Nonlinearity (INL) | ±2.5 LSB |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Signal-to-Noise Ratio (SNR) | 98 dB |
| Power Supply | Single 5V supply |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 48-lead LFCSP |
Key Features
- High resolution of 18 bits with ±2.5 LSB integral nonlinearity (INL) and ±1 LSB differential nonlinearity (DNL).
- High sampling rate of up to 100 kSPS, enabling fast data acquisition.
- Low power consumption, making it suitable for battery-powered devices.
- On-chip buffer, which helps in reducing the input impedance and improving the overall performance.
- Serial interface (SPI-compatible) for easy communication with microcontrollers and other digital systems.
Applications
The AD7678ACPRL is versatile and can be used in various applications, including:
- Industrial automation and control systems.
- Medical devices, such as patient monitoring systems and diagnostic equipment.
- Aerospace and defense systems, where high precision and reliability are critical.
- Automotive systems, including sensor interfaces and data acquisition modules.
- Test and measurement equipment, such as multimeters and oscilloscopes.
Q & A
- What is the resolution of the AD7678ACPRL ADC?
The AD7678ACPRL has a resolution of 18 bits. - What is the maximum sampling rate of the AD7678ACPRL?
The maximum sampling rate is up to 100 kSPS. - What is the operating temperature range of the AD7678ACPRL?
The operating temperature range is -40°C to +85°C. - What type of package does the AD7678ACPRL come in?
The AD7678ACPRL is housed in a 48-lead Lead Frame Chip Scale Package (LFCSP). - Does the AD7678ACPRL have an on-chip buffer?
Yes, the AD7678ACPRL includes an on-chip buffer to reduce input impedance and improve performance. - What is the power supply requirement for the AD7678ACPRL?
The AD7678ACPRL operates on a single 5V supply. - What interface does the AD7678ACPRL use for communication?
The AD7678ACPRL uses a serial interface that is SPI-compatible. - What are some common applications of the AD7678ACPRL?
Common applications include industrial automation, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment. - How does the AD7678ACPRL handle noise and linearity?
The AD7678ACPRL has a high signal-to-noise ratio (SNR) of 98 dB and low INL and DNL, ensuring high accuracy and linearity. - Is the AD7678ACPRL suitable for battery-powered devices?
Yes, the AD7678ACPRL has low power consumption, making it suitable for battery-powered devices.
