The AD698APZ from Analog Devices Inc. is a high-performance, universal LVDT (Linear Variable Differential Transformer) signal conditioner that is designed to simplify the interfacing of LVDTs to any microprocessor or analog circuit. The device is housed in a 20-lead PDIP package, ensuring easy integration into a wide range of industrial applications.

Key Features

• Complete Signal Conditioning: The AD698APZ contains a sine wave oscillator, a precision active rectifier, and a filter to convert the transducer mechanical position to a DC voltage without external components.
• Universal LVDT Support: It can operate with a wide variety of LVDTs, RVDTs (Rotary Variable Differential Transformers), and other inductive transducers.
• Flexible Excitation Frequency: The excitation frequency range is from 20 Hz to 20 kHz, which can be set by an external capacitor or driven by an external clock.
• Single or Dual Supply Operation: The AD698APZ can be powered by a single 5 V supply or dual ±15 V supplies, providing design versatility.
• High Accuracy: This device offers high accuracy and stability, ensuring precise measurements over a wide temperature range.

Applications

The AD698APZ is ideal for a variety of applications, including:

• Industrial process control
• Factory automation
• Aircraft control systems
• Test and measurement equipment
• Position and displacement sensing

Technical Specifications

Parameter Value Package Type 20-Lead PDIP Supply Voltage Single 5 V or Dual ±15 V Excitation Frequency 20 Hz to 20 kHz Operating Temperature -40°C to +85°C

The AD698APZ is a testament to Analog Devices Inc.'s commitment to providing innovative, high-quality components for precision signal processing. With its robust design and universal compatibility, it stands out as a top choice for engineers and designers looking to incorporate reliable LVDT signal conditioning into their projects.