Overview
The AD977AARZ is a high-performance, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD977/AD977A series, known for its fast throughput rates and single-supply operation. The AD977AARZ operates at a sampling rate of 200 kSPS, making it suitable for a variety of high-speed data acquisition applications. It features a switched capacitor architecture and is factory calibrated to minimize linearity errors, ensuring high accuracy and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Sampling Rate | 200 kSPS | |
| Number of Inputs | 1 | |
| Input Type | Single Ended | |
| Data Interface | SPI | |
| 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 | 20-SOIC (0.295", 7.50mm Width) | |
| Power Dissipation | 100 mW Max |
Key Features
- Fast Throughput Rate: The AD977AARZ has a high sampling rate of 200 kSPS, making it ideal for high-speed data acquisition applications.
- Single-Supply Operation: It operates from a single 5 V supply, simplifying system design and reducing power consumption.
- Factory Calibrated: The ADC is factory calibrated to minimize linearity errors, ensuring high accuracy and reliability.
- Comprehensive DC and AC Specifications: The device is thoroughly tested for both DC parameters (offset, gain, linearity) and AC parameters (SNR, THD).
- High Speed Serial Interface: It features a high-speed serial interface for efficient data transfer.
Applications
The AD977AARZ is suitable for a wide range of applications, including:
- Data Acquisition Systems: High-speed data acquisition in industrial, medical, and scientific instruments.
- Medical Devices: Medical imaging, patient monitoring, and diagnostic equipment.
- Aerospace and Defense: High-reliability applications requiring precise and fast data conversion.
- Industrial Automation: Control systems, process monitoring, and automation.
Q & A
- What is the sampling rate of the AD977AARZ?
The AD977AARZ has a sampling rate of 200 kSPS. - What is the number of bits for the AD977AARZ?
The AD977AARZ is a 16-bit ADC. - What type of data interface does the AD977AARZ use?
The AD977AARZ uses an SPI (Serial Peripheral Interface) data interface. - What is the operating temperature range for the AD977AARZ?
The operating temperature range is -40°C to +85°C. - What is the power supply requirement for the AD977AARZ?
The AD977AARZ operates from a single 5 V supply. - What is the package type for the AD977AARZ?
The AD977AARZ comes in a 20-SOIC package. - Is the AD977AARZ factory calibrated?
Yes, the AD977AARZ is factory calibrated to minimize linearity errors. - What are the key applications for the AD977AARZ?
The AD977AARZ is used in data acquisition systems, medical devices, aerospace and defense, and industrial automation. - What is the maximum power dissipation of the AD977AARZ?
The maximum power dissipation is 100 mW. - Does the AD977AARZ support both external and internal references?
Yes, the AD977AARZ supports both external and internal references.
