BUY ICL7109CQH https://www.utsource.net/itm/p/325153.html
12 Bit A/D Converter With 3-State Binary Outputs
The ICL7109CQH is a high-performance, low-power, LCD/LED display driver with an A/D converter. It is manufactured by Maxim Integrated and packaged in a 44-pin PLCC package. Features: High-performance, low-power LCD/LED display driver A/D converter On-chip voltage reference On-chip clock generator On-chip display RAM On-chip multiplexer On-chip segment drivers On-chip LCD bias generator On-chip temperature compensation On-chip voltage regulator On-chip power-on reset Low-power CMOS technology Low-power shutdown mode Wide operating temperature range Applications: Portable instrumentation Battery-powered systems Digital thermometers Digital voltmeters Digital panel meters Digital scales Digital clocks Digital timers Digital tachometers Digital frequency counters (For reference only)