SP8530

® SP8530 S2ADC™ - Simultaneous Sampling Analog to Digital Converter s Patented Simultaneous Sampling of 2 channels (Patent # 5,638,072) s 12 Bit Resolution s Single +5Volt Supply s Internal Reference, 1.25V s Unipolar 0 to +2.5 Volt Input Range s Fast, 7.75 µs Conversion Time Both Channels s Fast Power Shutdown/Turn-On Mode s 3-Wire Synchronous Serial High Speed Interface s True Differential Measurements s 2µA Shutdown Mode (10µW) s Low Power CMOS 60mW typical DESCRIPTION The SP8530 is a two channel simultaneous sampling, 12-Bit serial out data acquisition system. The device contains a high speed 12-Bit analog to digital converter, internal reference, and sample/hold circuitry for both channels. The 8530 is available in 16-pin PDIP and SOIC packages, specified over Commercial and Industrial temperature ranges. CS SCLK SAR CONTROL LOGIC STATUS COUNTER VIN A VIN B DAC RTRIM BUFFER LATCHED COMPARATOR DOUT OFFSET ADJUST PD REF. GAIN ADJUST REF OUT ™-S2ADC is a TRADEMARK OF SIPEX CORPORATION Patent Pending SP8530DS/01 SP8530 S2ADC - Simultaneous Sampling Analog to Digital Converter TM © Copyright 2000 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS (TA=+25˚C unless otherwise noted) .............................................. VDD to DGND ............................................................. -0.3V to +7V VDA to AGND .............................................................. -0.3V to +7V Vin to AGND .................................................... -0.3V ...