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SP8542/SP8544
Two and Four Channel 12-Bit Multiplexed Sampling ADCs
s s s s s s s s Two or Four Channel Input Mux 12 Bit Resolution Single +5Volt Supply Internal 1.
25 Volt Reference Unipolar 0 to +2.
5 Volt Input Range Fast, 3.
75 µs Conversion Time per Channel Fast Power Shutdown/Turn-On Mode 3-Wire Synchronous Serial High Speed Interface s 2µA Shutdown Mode (10µW) s Low Power
CMOS 42mW typical
DESCRIPTION The SP8542 (2 channel) and SP8544 (4 channel) are 12-Bit serial in/out data acquisition systems with a bi-directional serial interface.
The devices contain a high speed 12-Bit analog to digital converter, internal reference, and a 2 or 4 channel input mux which drives the internal samp...