ADuC845 Datasheet - Analog Devices

ADuC845 24-/16-Bit ADCs

11 General Description 15 8052 Instruction Set 18 Timer Operation 18 ALE 18 External Memory Access 18 Complete SFR Map 19 Functional Description 20 8051 Instruction Set 20 Memory Organization 22 Special Function Registers (SFRs) 24 ADC Circuit I.

ADuC845 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

ADuC845-AnalogDevices.pdf