Overview
The AD7721ANZ is a high-performance, 16-bit, sigma-delta analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high-accuracy measurements and is particularly suited for industrial, medical, and scientific applications where precision and reliability are crucial.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Conversion Type | Sigma-Delta |
| Input Range | ±2.5V, ±5V (differential or single-ended) |
| Sampling Rate | Up to 100 kSPS |
| Noise Free Resolution | 15.5 bits at 10 kHz input frequency |
| Power Supply | Single supply: 4.75V to 5.25V; Dual supply: ±2.25V to ±2.75V |
| Package Type | PDIP28, TSSOP28 |
| Operating Temperature | -40°C to +85°C |
Key Features
High Accuracy: The AD7721ANZ offers high accuracy with a noise-free resolution of 15.5 bits at a 10 kHz input frequency.
Flexible Input Range: Supports both differential and single-ended input configurations with ranges of ±2.5V and ±5V.
Low Power Consumption: Operates on a single supply voltage of 4.75V to 5.25V or dual supply voltages of ±2.25V to ±2.75V.
High Sampling Rate: Capable of sampling rates up to 100 kSPS.
Robust Noise Performance: Features a high signal-to-noise ratio (SNR) and low total harmonic distortion (THD).
Applications
Industrial Automation: Used in precision measurement and control systems.
Medical Devices: Suitable for medical instrumentation requiring high accuracy and reliability.
Scientific Instruments: Ideal for data acquisition systems in scientific research.
Aerospace and Defense: Applied in various military and aerospace applications where high precision is critical.
Q & A
- What is the resolution of the AD7721ANZ ADC?
The AD7721ANZ has a resolution of 16 bits.
- What type of conversion does the AD7721ANZ use?
The AD7721ANZ uses sigma-delta conversion.
- What are the input range options for the AD7721ANZ?
The input range options are ±2.5V and ±5V, available in both differential and single-ended configurations.
- What is the maximum sampling rate of the AD7721ANZ?
The maximum sampling rate is up to 100 kSPS.
- What is the noise-free resolution of the AD7721ANZ at a 10 kHz input frequency?
The noise-free resolution is 15.5 bits at a 10 kHz input frequency.
- What are the power supply options for the AD7721ANZ?
The device can operate on a single supply voltage of 4.75V to 5.25V or dual supply voltages of ±2.25V to ±2.75V.
- What are the package types available for the AD7721ANZ?
The AD7721ANZ is available in PDIP28 and TSSOP28 packages.
- What is the operating temperature range of the AD7721ANZ?
The operating temperature range is -40°C to +85°C.
- In which applications is the AD7721ANZ commonly used?
The AD7721ANZ is commonly used in industrial automation, medical devices, scientific instruments, and aerospace and defense applications.
- Why is the AD7721ANZ preferred for high-accuracy measurements?
The AD7721ANZ is preferred due to its high accuracy, low noise performance, and robust signal-to-noise ratio (SNR).
