Overview
The AD574AUD/883B is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This integrated circuit is part of the AD574 series, known for its high precision and reliability. The AD574AUD/883B is specifically designed to meet military standards, making it suitable for applications that require robust performance under extreme conditions. It integrates all necessary analog and digital functions on a single chip, including a successive-approximation register (SAR) and 3-state output buffers, using Analog Devices' Bipolar/I2L process. The device features active laser-trimming of thin-film resistors to minimize offset, linearity, and scaling errors, and it includes an implanted buried Zener reference for low noise and low drift.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer / Brand | Analog Devices Inc. |
| Part Number | AD574AUD/883B |
| Category | Integrated Circuits (ICs) > Data Acquisition - Analog to Digital Converters (ADC) |
| Description | IC ADC 12BIT SAR 28CDIP |
| Lead Free Status / RoHS Status | ROHS3 Compliant |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | ±11.4V ~ 16.5V |
| Supplier Device Package | 28-CDIP |
| Series | Military, MIL-STD-883 |
| Operating Temperature | -55°C ~ 125°C |
| Number of Inputs | 1 |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Mounting Type | Through Hole |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Architecture | SAR (Successive Approximation Register) |
Key Features
- High Precision: The AD574AUD/883B features active laser-trimming of thin-film resistors to minimize offset, linearity, and scaling errors.
- Low Noise and Drift: The device includes an implanted buried Zener reference for low noise and low drift.
- Military Grade: Compliant with MIL-STD-883 standards, making it suitable for military and aerospace applications.
- Wide Operating Temperature Range: Operates from -55°C to 125°C, ensuring reliability in extreme environments.
- Parallel Data Interface: Supports parallel data output for easy integration with other digital systems.
- Single Chip Solution: Integrates all necessary analog and digital functions on a single chip, including the SAR and 3-state output buffers.
Applications
- Military and Aerospace: Given its compliance with MIL-STD-883 standards, this ADC is ideal for military and aerospace applications where reliability and precision are critical.
- Industrial Automation: Suitable for industrial environments that require high precision and robust performance under varying conditions.
- Medical Devices: Can be used in medical devices that demand high accuracy and reliability in analog-to-digital conversion.
- Test and Measurement Equipment: Applicable in various test and measurement instruments where precise analog-to-digital conversion is necessary.
Q & A
- What is the resolution of the AD574AUD/883B ADC?
The AD574AUD/883B has a resolution of 12 bits.
- What is the operating temperature range of the AD574AUD/883B?
The operating temperature range is from -55°C to 125°C.
- What type of data interface does the AD574AUD/883B use?
The AD574AUD/883B uses a parallel data interface.
- Is the AD574AUD/883B compliant with any military standards?
Yes, it is compliant with MIL-STD-883 standards.
- What is the supply voltage for the digital and analog sections of the AD574AUD/883B?
The digital supply voltage is 5V, and the analog supply voltage is ±11.4V ~ 16.5V.
- What type of architecture does the AD574AUD/883B use for analog-to-digital conversion?
The AD574AUD/883B uses a Successive Approximation Register (SAR) architecture.
- How many inputs does the AD574AUD/883B have?
The AD574AUD/883B has one analog input.
- What is the package type of the AD574AUD/883B?
The AD574AUD/883B is packaged in a 28-lead CerDIP (Ceramic Dual In-Line Package).
- Is the AD574AUD/883B RoHS compliant?
Yes, the AD574AUD/883B is ROHS3 compliant.
- What are some common applications for the AD574AUD/883B?
Common applications include military and aerospace, industrial automation, medical devices, and test and measurement equipment.
