Click to expand full text
ICL7136, ICL7137
December 1997
3 1/2 Digit LCD/LED, Low Power Display, A/D Converters with Overrange Recovery
Description
The Intersil ICL7136 and ICL7137 are high performance, low power 31/2 digit, A/D converters. Included are seven segment decoders, display drivers, a reference, and a clock. The ICL7136 is designed to interface with a liquid crystal display (LCD) and includes a multiplexed backplane drive; the ICL7137 will directly drive an instrument size, light emitting diode (LED) display. The ICL7136 and ICL7137 bring together a combination of high accuracy, versatility, and true economy. It features autozero to less than 10µV, zero drift of less than 1µV/oC, input bias current of 10pA (Max), and rollover error of less than one count.