Overview
The AD7678ASTZ is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the PulSAR family, known for its low power consumption and high throughput rates. The AD7678ASTZ is designed to offer very high performance with a flexible parallel or serial interface, making it suitable for a variety of system applications, including data acquisition and digital signal processing (DSP).
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Sampling Rate | Up to 100 kSPS |
| Interface | Parallel and Serial |
| Input Range | ±5V (configurable for other ranges) |
| Power Supply | Single 5V supply |
| Package Type | 48-lead TSSOP |
| Operating Temperature | -40°C to +85°C |
Key Features
- High-resolution 18-bit SAR ADC with low power consumption.
- Flexible interface options: parallel and serial.
- Configurable input ranges (e.g., ±5V, ±2.5V, ±10V) with simple modifications to the input driver circuitry.
- Internal clock and reference, with external clock and reference options.
- Buffered outputs for improved signal integrity.
- Ideal for data acquisition and DSP applications.
Applications
The AD7678ASTZ is versatile and can be used in various applications, including:
- Data acquisition systems.
- Digital signal processing (DSP) systems.
- Medical devices requiring high precision and low power consumption.
- Industrial control systems.
- Automotive systems where high accuracy and reliability are crucial.
Q & A
- What is the resolution of the AD7678ASTZ ADC?
The AD7678ASTZ has a resolution of 18 bits. - What are the sampling rates supported by the AD7678ASTZ?
The AD7678ASTZ supports sampling rates up to 100 kSPS. - What types of interfaces does the AD7678ASTZ support?
The AD7678ASTZ supports both parallel and serial interfaces. - What is the default input range of the AD7678ASTZ?
The default input range is ±5V, but it can be configured for other ranges. - How is the power supply for the AD7678ASTZ configured?
The AD7678ASTZ operates on a single 5V supply. - What is the package type of the AD7678ASTZ?
The AD7678ASTZ comes in a 48-lead TSSOP package. - What is the operating temperature range of the AD7678ASTZ?
The operating temperature range is -40°C to +85°C. - Can the AD7678ASTZ be used in medical devices?
Yes, the AD7678ASTZ is suitable for medical devices due to its high precision and low power consumption. - Is the AD7678ASTZ compatible with evaluation boards?
Yes, the AD7678ASTZ is compatible with evaluation boards such as the EVAL-AD76XXEDZ. - How can I configure different input ranges for the AD7678ASTZ?
Different input ranges can be configured by modifying the input driver circuitry; refer to the datasheet or application notes for specific details.
