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SP8544JN Datasheet(PDF) 1 Page - Sipex Corporation |
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SP8544JN Datasheet(HTML) 1 Page - Sipex Corporation |
1 / 16 page SP8542/8544DS/01 SP8542/8544 Two and Four Channel 12-Bit Multiplexed Sampling ADC's © Copyright 2000 Sipex Corporation 1 SP8542/SP8544 s Two or Four Channel Input Mux s 12 Bit Resolution s Single +5Volt Supply s Internal 1.25 Volt Reference s Unipolar 0 to +2.5 Volt Input Range s Fast, 3.75 µs Conversion Time per Channel s Fast Power Shutdown/Turn-On Mode s 3-Wire Synchronous Serial High Speed Interface s 2 µA 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 sample/ hold circuitry. The SP8542 is available in 16-pin PDIP and SOIC packages, and the SP8544 is available in 18-pin PDIP and SOIC packages, specified over Commercial and Industrial temperature ranges. Two and Four Channel 12-Bit Multiplexed Sampling ADCs CONTROL LOGIC COUNTER SAR CDAC LATCHED COMPARATOR BUFFER STATUS DOUT REF. CS SCLK *CH3 OFFSET ADJUST SHUTDOWN GAIN ADJUST REF OUT RTRIM *CH2 CH1 CH0 DIN MUX MUX Register SP8542 - 2 CHANNEL MUX *SP8544 - 4 CHANNEL MUX ® |
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