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ADuC845.pdf
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2008-04-14
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The ADuC845, ADuC847, and ADuC848 are single-cycle,
12.58 MIPs, 8052 core upgrades to the ADuC834 and ADuC836.
They include additional analog inputs for applications requiring
more ADC channels.
The ADuC845, ADuC847, and ADuC848 are complete smart
transducer front ends. The family integrates high resolution Σ-Δ
ADCs with flexible, up to 10-channel input multiplexing, a fast
8-bit MCU, and program/data Flash/EE memory on a single chip.
The ADuC845 includes two (primary and auxiliary) 24-bit Σ-Δ
ADCs with internal buffering and PGA on the primary ADC.
The ADuC847 includes the same primary ADC as the ADuC845
(auxiliary ADC removed). The ADuC848 is a 16-bit ADC
version of the ADuC847.
The ADCs incorporate flexible input multiplexing, a temperature
sensor (ADuC845 only), and a PGA (primary ADC only)
allowing direct measurement of low-level signals. The ADCs
include on-chip digital filtering and programmable output data
rates that are intended for measuring wide dynamic range, low
frequency signals, such as those in weigh scale, strain gage,
pressure transducer, or temperature measurement applications.
12.58 MIPs, 8052 core upgrades to the ADuC834 and ADuC836.
They include additional analog inputs for applications requiring
more ADC channels.
The ADuC845, ADuC847, and ADuC848 are complete smart
transducer front ends. The family integrates high resolution Σ-Δ
ADCs with flexible, up to 10-channel input multiplexing, a fast
8-bit MCU, and program/data Flash/EE memory on a single chip.
The ADuC845 includes two (primary and auxiliary) 24-bit Σ-Δ
ADCs with internal buffering and PGA on the primary ADC.
The ADuC847 includes the same primary ADC as the ADuC845
(auxiliary ADC removed). The ADuC848 is a 16-bit ADC
version of the ADuC847.
The ADCs incorporate flexible input multiplexing, a temperature
sensor (ADuC845 only), and a PGA (primary ADC only)
allowing direct measurement of low-level signals. The ADCs
include on-chip digital filtering and programmable output data
rates that are intended for measuring wide dynamic range, low
frequency signals, such as those in weigh scale, strain gage,
pressure transducer, or temperature measurement applications.
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