Linear Technology LTC1099 Half-Flash 8-Bit A/D Converter Application Note

About this manual

This document details an application using the LTC1099, a 'Half Flash' 8-bit Analog-to-Digital (A/D) converter, digitizing signals from a 256-element line scan photodiode array. The system is designed for automated pricing at supermarket checkouts and high-resolution machine inspection applications.

What's inside

• Introduction
• Electronic System Design
• Optical Sensor Details
• Timing Diagrams
• System Response

Frequently asked questions

What is the maximum sampling rate for the LTC1099 to maintain 8-bit accuracy?

The converter maintains 8-bit accuracy at a sample rate of 156kHz.

How long must the analog input signal be stable before the conversion cycle starts?

The analog input must remain stable for at least 130ns before the falling edge of the WRIRDY pulse.