ICL7107 - (ICL7106 / ICL7107) True Differential input and Reference
The ICL7106 and ICL7107 are high performance,low power 3 1 / 2 digit A/D converters.
Included are seven segment decoders, display drivers, a reference, and a clock.
The ICL7106 is designed to interface with a liquid crystal display (LCD) and includes a multiplexed backplane drive, the ICL7107 will
ICL7107 Features
* Guaranteed Zero Reading for 0V input on All Scales
* True Polarity at Zero for Precise Null Detection (1’ s) V+ D1 C1 B1 A1 F1 G1 E1 D2 C2 (10’ s) B2 A2 F2 E2 D3 (100’ s) B3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 OSC 1 39 OSC 2 38 OSC 3 37 TEST 36 REF HI 35 REF LO