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November 2000
CT UCT OD U E P R O D t R P T ra TE TITU ente OL E OBS LE SU BS upport C om/tsc SIB sil.c al S POS Technic w.inter A FOR ct our IL or ww a cont -INTERS 8 8 1-8
®
ICL7109
12-Bit, MicroprocessorCompatible A/D Converter
Features
• 12-Bit Binary (Plus Polarity and Over-Range) Dual Slope Integrating Analog-to-Digital Converter • Byte-Organized, TTL Compatible Three-State Outputs and UART Handshake Mode for Simple Parallel or Serial Interfacing to Microprocessor Systems • RUN/HOLD Input and STATUS Output Can Be Used to Monitor and Control Conversion Timing • True Differential Input and Differential Reference • Low Noise (Typ) . . . . . . . . . . . . . . . . . . . . . . . . 15µVP-P • Input Current (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . .