Overview
The AD976ABR 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-performance applications requiring fast throughput and low power consumption. The AD976ABR uses a successive approximation, switched capacitor architecture, which ensures high accuracy and linearity. 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 (Per Second) | 200 kSPS |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5 V |
| Voltage - Supply, Digital | 5 V |
| Operating Temperature | -40°C to +85°C |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Power Dissipation | 100 mW Max |
| Input Range | ±10 V |
Key Features
- Fast Throughput: The AD976ABR offers a high throughput rate of 200 kSPS, making it suitable for high-speed data acquisition applications.
- Single-Supply Operation: The device operates from a single 5 V supply, simplifying system design and reducing power consumption.
- Comprehensive DC and AC Specifications: The ADC is factory calibrated and fully tested for parameters such as SNR, THD, offset, gain, and linearity.
- Complete A/D Solution: The AD976ABR includes an accurate ADC, reference, and on-chip clock, providing a highly integrated solution.
- High-Speed Parallel Interface: Allows for direct connection to digital signal processors and microcontrollers.
- Successive Approximation Technique: Uses a capacitor array charge distribution technique for analog-to-digital conversion, eliminating the need for external sample/hold circuitry.
Applications
The AD976ABR is suitable for a variety of high-performance applications, including:
- Data acquisition systems
- Digital signal processing
- Medical imaging and diagnostics
- Aerospace and defense systems
- Industrial control and automation
Q & A
- What is the sampling rate of the AD976ABR?
The AD976ABR has a sampling rate of 200 kSPS.
- What is the input range of the AD976ABR?
The input range is ±10 V.
- What type of architecture does the AD976ABR use?
The AD976ABR uses a successive approximation, switched capacitor architecture.
- Does the AD976ABR have an internal reference?
Yes, the AD976ABR has an internal 2.5 V reference, and it also supports external references.
- What is the power supply requirement for the AD976ABR?
The AD976ABR operates on a single 5 V supply.
- What is the operating temperature range of the AD976ABR?
The operating temperature range is -40°C to +85°C.
- What type of package is the AD976ABR available in?
The AD976ABR is available in a 28-SOIC package.
- What is the maximum power dissipation of the AD976ABR?
The maximum power dissipation is 100 mW.
- Is the AD976ABR suitable for high-speed data acquisition?
Yes, the AD976ABR is designed for high-speed data acquisition applications due to its fast throughput rate and low power consumption.
- Can the AD976ABR be connected directly to digital signal processors and microcontrollers?
Yes, the AD976ABR features a high-speed parallel interface that allows for direct connection to digital signal processors and microcontrollers.
