Overview
The AD574ATD is a high-precision, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This integrated circuit is designed to integrate all analog and digital functions on a single chip, utilizing Analog Devices' Bipolar/I2L process. The AD574ATD is known for its high accuracy, achieved through active laser-trimming of thin-film resistors and the use of an implanted buried Zener voltage reference for low noise and low drift.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Temperature Range | -55°C to +125°C |
| Package Type | 28-Lead CerDIP (Side Brazed), 28-Lead LCC, 28-Lead PDIP, 28-Lead PLCC |
| Logic Type | I2L logic |
| Voltage Reference | Implanted buried Zener |
| Output Type | 3-state output buffers |
Key Features
- High precision with minimized offset, linearity, and scaling errors through active laser-trimming of thin-film resistors.
- Low noise and low drift voltage reference using an implanted buried Zener.
- I2L logic for the successive-approximation register, control circuitry, and 3-state output buffers.
- Available in various package types including CerDIP, LCC, PDIP, and PLCC.
- Optional processing to MIL-STD-883C Class B and JAN QPL for certain grades.
Applications
The AD574ATD is suitable for a wide range of applications requiring high precision and reliability, such as:
- Military and aerospace systems due to its compliance with MIL-STD-883C Class B and JAN QPL.
- Industrial control systems where high accuracy and stability are crucial.
- Medical devices that require precise analog-to-digital conversion.
- Data acquisition systems in various industries.
Q & A
- What is the resolution of the AD574ATD? The AD574ATD has a resolution of 12 bits.
- What is the temperature range of the AD574ATD? The AD574ATD operates over a temperature range of -55°C to +125°C.
- What types of packages are available for the AD574ATD? The AD574ATD is available in 28-Lead CerDIP (Side Brazed), 28-Lead LCC, 28-Lead PDIP, and 28-Lead PLCC packages.
- What logic type is used in the AD574ATD? The AD574ATD uses I2L logic.
- How is the voltage reference implemented in the AD574ATD? The voltage reference in the AD574ATD is implemented using an implanted buried Zener for low noise and low drift.
- Is the AD574ATD suitable for military applications? Yes, certain grades of the AD574ATD are processed to MIL-STD-883C Class B and are available as JAN QPL.
- What are the key features of the AD574ATD that contribute to its high precision? The AD574ATD's high precision is due to active laser-trimming of thin-film resistors and the use of an implanted buried Zener voltage reference.
- Can the AD574ATD be used in industrial control systems? Yes, the AD574ATD is suitable for industrial control systems due to its high accuracy and stability.
- Is the AD574ATD used in medical devices? Yes, the AD574ATD can be used in medical devices that require precise analog-to-digital conversion.
- Where can I find detailed documentation for the AD574ATD? Detailed documentation for the AD574ATD can be found on the Analog Devices website and through other authorized distributors like Digi-Key and Mouser Electronics.
