Overview
The AD976ACR, produced by Analog Devices Inc., is a high-speed, low-power 16-bit Analog-to-Digital Converter (ADC). This device is part of the AD976/AD976A series, known for its fast throughput rates and comprehensive DC and AC specifications. The AD976ACR operates from a single 5 V supply and is designed for applications requiring high accuracy and speed.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sampling Rate (Per Second) | 200 kSPS (AD976A), 100 kSPS (AD976) |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | Successive Approximation (SAR) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog/Digital | 5 V |
| Operating Temperature | -40°C to +85°C |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
Key Features
- Fast Throughput: The AD976ACR offers high-speed throughput rates of up to 200 kSPS for the AD976A model and 100 kSPS for the AD976 model.
- Single-Supply Operation: Operates from a single 5 V supply, dissipating only 100 mW maximum power.
- Comprehensive DC and AC Specifications: Factory calibrated and fully tested for SNR, THD, offset, gain, and linearity.
- Complete A/D Solution: Includes an accurate ADC, reference, and on-chip clock, providing a highly integrated solution.
- High Speed Parallel Interface: Capable of connecting directly 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 AD976ACR is suitable for a variety of applications that require high-speed and accurate analog-to-digital conversion. These include:
- Industrial Control and Automation: High-speed data acquisition and control systems.
- Medical Devices: High-precision medical equipment requiring fast and accurate data conversion.
- Aerospace and Defense: Applications requiring robust and reliable ADCs with high performance.
- Test and Measurement Equipment: High-speed data acquisition systems and test instruments.
Q & A
- What is the resolution of the AD976ACR?
The AD976ACR has a 16-bit resolution.
- What are the sampling rates for the AD976 and AD976A models?
The AD976 has a sampling rate of 100 kSPS, while the AD976A has a sampling rate of 200 kSPS.
- What is the supply voltage for the AD976ACR?
The AD976ACR operates from a single 5 V supply.
- What is the operating temperature range for the AD976ACR?
The operating temperature range is -40°C to +85°C.
- What type of architecture does the AD976ACR use?
The AD976ACR uses a Successive Approximation (SAR) architecture.
- Does the AD976ACR have an internal reference?
Yes, the AD976ACR offers the choice of an external or internal 2.5 V reference.
- What is the input range for the AD976ACR?
The analog full-scale input range is ±10 V.
- What type of package is the AD976ACR available in?
The AD976ACR is available in a 28-SOIC package.
- Is the AD976ACR RoHS compliant?
Yes, the AD976ACR is RoHS compliant.
- What is the power dissipation of the AD976ACR?
The maximum power dissipation is 100 mW.
