Overview
The AD7721ARZ is a high-performance, 16-bit, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high-accuracy data acquisition and is particularly suited for applications requiring low noise and high linearity. The AD7721ARZ operates over a wide temperature range and is available in a 28-lead SOIC (Wide) package, making it versatile for various industrial and commercial uses.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Converter Type | Sigma-Delta |
| Package Type | 28-Lead SOIC (Wide) |
| Temperature Range | -40°C to 85°C |
| Sampling Rate | Up to 400 kSPS |
| Input Voltage Range | ±2.5V, ±5V (differential) |
| Noise Performance | Typically 95 dB SNR at 2.5 kHz bandwidth |
Key Features
- High accuracy and low noise performance, making it suitable for precision measurement applications.
- On-chip PGA (Programmable Gain Amplifier) with gains of 1, 2, 4, 8, and 16.
- Support for differential and single-ended analog input configurations.
- Low power consumption, typically 15 mW at 3 V supply.
- Integrated digital filter with adjustable cutoff frequency.
- SPI-compatible serial interface for easy communication with microcontrollers.
Applications
- Industrial process control and automation.
- Medical devices requiring high accuracy and low noise.
- Aerospace and defense applications where precision is critical.
- Test and measurement equipment.
- Automotive systems, especially those requiring robust temperature performance.
Q & A
- What is the resolution of the AD7721ARZ ADC?
The AD7721ARZ has a resolution of 16 bits.
- What type of converter is the AD7721ARZ?
The AD7721ARZ is a sigma-delta analog-to-digital converter.
- What is the temperature range of the AD7721ARZ?
The AD7721ARZ operates over a temperature range of -40°C to 85°C.
- What is the maximum sampling rate of the AD7721ARZ?
The AD7721ARZ can sample up to 400 kSPS.
- Does the AD7721ARZ support differential and single-ended inputs?
- What is the typical noise performance of the AD7721ARZ?
The AD7721ARZ typically offers 95 dB SNR at a 2.5 kHz bandwidth.
- Does the AD7721ARZ have an integrated PGA?
- What is the power consumption of the AD7721ARZ?
The AD7721ARZ typically consumes 15 mW at a 3 V supply.
- Does the AD7721ARZ have a digital filter?
- What type of interface does the AD7721ARZ use for communication?
The AD7721ARZ uses an SPI-compatible serial interface for communication with microcontrollers.
