SP8531DS/01

SP8531 12-Bit Sampling Serial Out Analog to Digital Converter

© Copyright 1999 Sipex Corporation

1

s 12 Bit Resolution

s Single +5Volt Supply

s Internal Reference, 1.25V

s Unipolar 0 to +2.5 Volt Input Range

s Fast, 3.75

µs Conversion Time

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 60mW typical

SP8531

12-Bit Sampling Serial Out Analog

to Digital Converter

DESCRIPTION

The SP8531 is a sampling 12-Bit serial out analog to digital converter. The device contains a high

speed 12-Bit analog to digital converter, internal reference, and sample/hold circuitry. The

SP8531 is available in 16-pin PDIP and SOIC packages, specified over Commercial and

Industrial temperature ranges.

CONTROL

LOGIC

COUNTER

SAR

CDAC

LATCHED

COMPARATOR

BUFFER

STATUS

REF.

CS

SCLK

OFFSET

ADJUST

SHUTDOWN

GAIN

ADJUST

REF OUT

RTRIM

BUFFER

SIGNAL PROCESSING EXCELLENCE