ALD521D - 24 BIT SERIAL INTERFACE DIGITAL CONTROLLER

The ALD521D is a digital controller designed to interface to the ALD500 or ALD500R integrating dual slope analog processors as a chip set for building a precision analog-to-digital converter.

• Low cost, simple functionality.
• PC parallel printer port interface standard.
• Support resolution up to 23 binary bits + sign polarity bit.
• Easy to use to acquire up to 23 bit linearity and noise performance.
• Integration time can be set by the user.
• Easy user evaluation and setting of conversion parameters.
• Low power dissipation - 4 mA typical including crystal oscillator.
• On-chip Crystal Oscillator Circuit.
• Two way.