ADuC848 - Analog Devices

ADuC848 24-/16-Bit ADCs

.......... 11  General Description ........... 15  8052 Instruction Set ....... 18  Timer Operation............. 18  ALE...............

Features

High resolution Σ-Δ ADCs 2 independent 24-bit ADCs on the ADuC845 Single 24-bit ADC on the ADuC847 and single 16-bit ADC on the ADuC848 Up to 10 ADC input channels on all devices 24-bit no missing codes 22-bit rms (19.5 bit p-p) effective resolution Offset drift 10 nV/°C, gain drift 0.5 ppm/°C chop enabled Memory 62-kbyte on-chip Flash/EE program memory 4-kbyte on-chip Flash/EE data memory Flash/EE, 100-year retention, 100 kcycle endurance 3 levels of Flash/EE program memory security In-circuit serial download (no external hardware) High speed user download (5 sec) 2304 bytes on-chip data RAM .