Overview
The AD976ARS is a high-speed, low-power 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device operates on a single 5 V supply and is designed for high throughput rates, making it suitable for various high-performance applications. The AD976ARS uses a successive approximation, switched capacitor architecture and includes an internal 2.5 V reference and a high-speed parallel interface. It is fabricated using Analog Devices’ proprietary BiCMOS process, which combines high-performance bipolar devices with CMOS transistors.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-bit |
| Throughput Rate | 100 kSPS (AD976), 200 kSPS (AD976A) |
| Supply Voltage | Single 5 V |
| Power Dissipation | 100 mW max |
| Input Range | ±10 V |
| Reference Voltage | Internal 2.5 V |
| Interface | High-speed parallel interface |
| Package Options | 28-Lead Skinny DIP, SSOP, SOIC |
| Operating Temperature | –40°C to +85°C |
Key Features
- Fast Throughput: The AD976ARS offers high throughput rates of 100 kSPS for the AD976 and 200 kSPS for the AD976A, making it suitable for high-speed applications.
- Single-Supply Operation: The device operates from a single 5 V supply, simplifying power management and reducing overall system complexity.
- Comprehensive DC and AC Specifications: The ADC is factory calibrated and fully tested for SNR, THD, offset, gain, and linearity, ensuring high accuracy and reliability.
- Complete A/D Solution: The AD976ARS includes an accurate ADC, reference, and on-chip clock, providing a highly integrated solution.
- High-Speed Parallel Interface: The device features a high-speed parallel interface, enabling direct connection to digital signal processors and microcontrollers.
Applications
The AD976ARS is suitable for a variety of high-performance applications, including:
- Data Acquisition Systems: High-speed data acquisition requires precise and fast ADCs, making the AD976ARS an ideal choice.
- Industrial Control Systems: The device's robust specifications and wide operating temperature range make it suitable for industrial control environments.
- Medical Devices: The high accuracy and reliability of the AD976ARS make it a good fit for medical devices that require precise analog-to-digital conversion.
- Aerospace and Defense: The device's performance and durability make it suitable for applications in aerospace and defense.
Q & A
- What is the resolution of the AD976ARS ADC?
The AD976ARS has a resolution of 16 bits.
- What are the throughput rates of the AD976 and AD976A?
The AD976 has a throughput rate of 100 kSPS, while the AD976A has a throughput rate of 200 kSPS.
- What is the supply voltage for the AD976ARS?
The AD976ARS operates on a single 5 V supply.
- What is the input range of the AD976ARS?
The input range is ±10 V.
- Does the AD976ARS have an internal reference voltage?
Yes, the AD976ARS includes an internal 2.5 V reference voltage.
- What types of packages are available for the AD976ARS?
The device is available in 28-Lead Skinny DIP, SSOP, and SOIC packages.
- What is the operating temperature range of the AD976ARS?
The operating temperature range is –40°C to +85°C.
- Is the AD976ARS RoHS compliant?
Yes, some versions of the AD976ARS are RoHS compliant, while others are not. It depends on the specific part number.
- What is the power dissipation of the AD976ARS?
The maximum power dissipation is 100 mW.
- Does the AD976ARS require external circuitry for the sample/hold function?
No, the AD976ARS uses an on-chip capacitor array, eliminating the need for additional external circuitry for the sample/hold function).
