Analog Devices AD7663AST Product Overview

The AD7663AST is a precision 16-bit Analog-to-Digital Converter (ADC) developed by Analog Devices Inc., a renowned leader in high-performance semiconductors. This ADC is designed to deliver exceptional accuracy and speed, making it an ideal choice for a wide range of demanding applications, such as medical instrumentation, industrial control systems, and data acquisition modules.

Key Features

• Resolution: 16-bit SAR ADC with no missing codes.
• Sampling Rate: Offers a fast throughput rate of 250 kSPS (kilo-samples per second).
• Input Voltage Range: ±10 V with a reference of 2.5 V, allowing for a wide dynamic range of input signals.
• Low Power Consumption: Operates with a typical power dissipation of 90 mW at 250 kSPS, which can be reduced to 13 μW in power-down mode, making it energy-efficient for portable and battery-powered applications.
• Interface: Features a parallel interface that supports both read and write operations, ensuring easy integration with microcontrollers and DSPs.
• On-Chip Features: Includes an internal reference buffer, track-and-hold circuit, and error correction circuits to enhance performance and reliability.

Performance and Reliability

The AD7663AST is built to provide reliable and stable performance under varying conditions. It comes with an on-chip overvoltage protection for the analog inputs, which safeguards the device against inadvertent voltage spikes. The ADC also features a guaranteed monotonicity by design, ensuring consistent and predictable output for increasing input signals.

Package and Operating Temperature

Encased in a 48-lead LQFP (Low-profile Quad Flat Package), the AD7663AST is compact and suitable for space-constrained applications. It operates over an industrial temperature range of -40°C to +85°C, allowing for deployment in environments with extreme temperature variations.

Applications

With its robust design and precise conversion capabilities, the AD7663AST is well-suited for:

• Industrial Process Control
• Medical Imaging Systems
• Instrumentation
• Data Acquisition Systems
• Battery-Powered Devices

For engineers and designers looking for a high-performance ADC, the AD7663AST from Analog Devices Inc. offers a compelling blend of precision, speed, and reliability.