Overview
The AD976AARS is a high-performance, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the AD976/AD976A series, known for its high speed, low power consumption, and comprehensive integration. The AD976AARS operates from a single 5 V supply and is designed for applications requiring fast throughput and high accuracy.
The ADC employs a successive approximation architecture with a capacitor array charge distribution technique, eliminating the need for external sample/hold circuitry and minimizing linearity errors. It features an internal 2.5 V reference and a high-speed parallel interface, making it suitable for direct connection to digital signal processors and microcontrollers.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sampling Rate | 200 kSPS |
| Package Type | 28-SSOP (0.209", 5.30mm Width) |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR (Successive Approximation) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog/Digital | 5 V |
| Operating Temperature | -40°C to +85°C |
| Power Dissipation | 100 mW Max |
| Input Range | ±10 V |
Key Features
- Fast Throughput: The AD976AARS offers a high throughput rate of 200 kSPS, making it suitable for high-speed data acquisition applications.
- Single-Supply Operation: Operates from a single 5 V supply, reducing power consumption and simplifying system design.
- Comprehensive DC and AC Specifications: Factory calibrated and fully tested for SNR, THD, offset, gain, and linearity, ensuring high accuracy and reliability.
- Complete A/D Solution: Includes an accurate ADC, reference, and on-chip clock, providing a highly integrated solution.
- High-Speed Parallel Interface: Allows direct connection to digital signal processors and microcontrollers.
- Successive Approximation Architecture: Uses a capacitor array charge distribution technique to minimize linearity errors and eliminate the need for external sample/hold circuitry.
Applications
The AD976AARS is versatile and can be used in a variety of applications, including:
- Data Acquisition Systems: High-speed data acquisition in industrial, medical, and scientific instruments.
- Industrial Control Systems: Monitoring and control in process control, automation, and robotics.
- Medical Devices: Diagnostic equipment, patient monitoring systems, and medical imaging.
- Aerospace and Defense: High-reliability applications requiring precise analog-to-digital conversion.
- Automotive Systems: Advanced driver-assistance systems (ADAS), engine control units, and other automotive electronics.
Q & A
- What is the sampling rate of the AD976AARS?
The AD976AARS has a sampling rate of 200 kSPS.
- What is the package type of the AD976AARS?
The AD976AARS is available in a 28-SSOP package.
- What is the input type of the AD976AARS?
The AD976AARS has a single-ended input type.
- What is the data interface of the AD976AARS?
The AD976AARS features a parallel data interface.
- What is the operating temperature range of the AD976AARS?
The operating temperature range is -40°C to +85°C.
- Does the AD976AARS support both external and internal references?
Yes, the AD976AARS supports both external and internal references.
- What is the maximum power dissipation of the AD976AARS?
The maximum power dissipation is 100 mW.
- What is the analog input range of the AD976AARS?
The analog input range is ±10 V.
- Is the AD976AARS RoHS compliant?
Yes, the AD976AARS is RoHS compliant.
- What architecture does the AD976AARS use for analog-to-digital conversion?
The AD976AARS uses a successive approximation (SAR) architecture.
