ICL7116CM44

31/2位， LCD / LED显示，A / D转换器，显示保持 31/2 Digit, LCD/LED Display, A/D Converter with Display Hold

Description

The ICL7116 and ICL7117 are high performance, low power, 31/2 digit, A/D converters. Included are seven segment decoders, display drivers, a reference, and a clock. The ICL7116 is designed to interface with a liquid crystal display LCD and includes a multiplexed backplane drive. The ICL7117 will directly drive an instrument size, light emitting diode LED display.

Features

• HOLD Reading Input Allows Indefinite Display Hold

• Guaranteed Zero Reading for 0V Input

• True Polarity at Zero for Precise Null Detection

• 1pA Typical Input Current

• Direct Display Drive

   - LCD ICL7116

   - LED lCL7117

• Low Noise - Less Than 15µVP-P Typ

• On Chip Clock and Reference

• Low Power Dissipation - Typically Less Than 10mW

• No Additional Active Circuits Required

• Surface Mount Package Available