Overview
The AD574AJN is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high precision and reliability, making it suitable for various applications, particularly in aerospace and industrial environments. The AD574AJN integrates all analog and digital functions on a single chip, utilizing Analog Devices' Bipolar/I2L process. This integration minimizes offset, linearity, and scaling errors through active laser-trimming of thin-film resistors at the wafer stage. The voltage reference is based on an implanted buried Zener diode, ensuring low noise and low drift.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | ADC |
| Number of A/D Converters | 1 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | Internal |
| Voltage - Supply, Analog | ±11.4 V ~ 16.5 V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | 0°C ~ 70°C |
| Package / Case | 28-DIP (0.600", 15.24mm) |
Key Features
- High Precision: The AD574AJN features high precision due to the active laser-trimming of thin-film resistors, minimizing offset, linearity, and scaling errors.
- Low Noise and Drift: The voltage reference uses an implanted buried Zener diode, ensuring low noise and low drift.
- Integrated Functions: All analog and digital functions are integrated on a single chip, enhancing reliability and reducing component count.
- Parallel Data Interface: The ADC provides a parallel data interface, facilitating easy integration with microprocessors and other digital systems.
- Durable Packaging: Available in 28-lead DIP packages, ensuring robustness and ease of use in various environments.
Applications
- Aerospace: The AD574AJN is particularly suited for aerospace applications due to its high reliability and precision.
- Industrial Automation: It is used in industrial automation for precise data acquisition and control systems.
- Medical Devices: The high precision and low noise characteristics make it suitable for medical devices requiring accurate analog-to-digital conversion.
- Test and Measurement Equipment: It is often used in test and measurement equipment where high accuracy and reliability are crucial).
Q & A
- What is the resolution of the AD574AJN ADC?
The AD574AJN is a 12-bit analog-to-digital converter).
- What type of data interface does the AD574AJN use?
The AD574AJN uses a parallel data interface).
- What is the operating temperature range of the AD574AJN?
The operating temperature range is from 0°C to 70°C).
- What type of packaging is available for the AD574AJN?
The AD574AJN is available in a 28-lead DIP package).
- Is the AD574AJN still in production?
No, the AD574AJN is obsolete and no longer manufactured. However, substitutes may be available).
- What is the architecture of the AD574AJN ADC?
The AD574AJN uses a Successive Approximation Register (SAR) architecture).
- What is the reference type used in the AD574AJN?
The AD574AJN uses an internal reference type).
- What are the typical supply voltages for the AD574AJN?
The analog supply voltage is ±11.4 V ~ 16.5 V, and the digital supply voltage is 5V).
- What are some common applications of the AD574AJN?
Common applications include aerospace, industrial automation, medical devices, and test and measurement equipment).
- How does the AD574AJN ensure high precision?
The AD574AJN ensures high precision through active laser-trimming of thin-film resistors and the use of an implanted buried Zener diode for the voltage reference).
