Overview
The AD7674AST 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 AD767x family, known for its low power consumption and high throughput rates. The AD7674AST operates from a single +5V supply and features a flexible parallel or serial interface, making it suitable for a variety of system applications, including data acquisition and DSP interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Throughput Rate | 800 kSPS |
| Integral Nonlinearity (INL) | ±2.5 LSB |
| Analog Input Range | 0 to 5V (differential, unipolar) |
| Supply Voltage | +5V |
| Operating Temperature Range | −40°C to +85°C |
| Package Type | Quad Flatpack (LQFP) |
Key Features
- High-speed successive approximation register (SAR) architecture
- Low power consumption
- Flexible parallel or serial interface
- On-board reference and clock oscillator
- Buffered outputs for easy integration with DSP and data acquisition systems
- Support for various analog input ranges, including unipolar and bipolar configurations
Applications
- Data acquisition systems
- Digital signal processing (DSP) interfaces
- Industrial control systems
- Medical devices requiring high precision ADCs
- Aerospace and defense applications where high accuracy and reliability are crucial
Q & A
- What is the resolution of the AD7674AST ADC?
The AD7674AST has an 18-bit resolution.
- What is the throughput rate of the AD7674AST?
The throughput rate is 800 kSPS.
- What is the integral nonlinearity (INL) of the AD7674AST?
The INL is ±2.5 LSB.
- What is the analog input range of the AD7674AST?
The analog input range is 0 to 5V (differential, unipolar).
- What is the supply voltage for the AD7674AST?
The supply voltage is +5V.
- What is the operating temperature range of the AD7674AST?
The operating temperature range is −40°C to +85°C.
- What type of package does the AD7674AST come in?
The AD7674AST comes in a Quad Flatpack (LQFP) package.
- Is the AD7674AST suitable for high-speed applications?
Yes, the AD7674AST is designed for high-speed applications with a throughput rate of 800 kSPS.
- Can the AD7674AST be used in DSP and data acquisition systems?
Yes, it is ideal for DSP and data acquisition systems due to its buffered outputs and flexible interface options.
- What are some common applications of the AD7674AST?
Common applications include data acquisition systems, DSP interfaces, industrial control systems, medical devices, and aerospace and defense applications.
