SP8538KS Sipex Corporation, SP8538KS Datasheet

SP8538KS

Manufacturer Part Number

SP8538KS

Description

Manufacturer

Sipex Corporation

Datasheets

1.SP8538KS.pdf (12 pages)

2.SP8538KS.pdf (12 pages)

Specifications of SP8538KS

Case

SOP-8

Date_code

01+

Current page: 1 of 12
Download datasheet (218Kb)

DESCRIPTION

The SP8538 is a very low power 12-Bit data acquisition chip. The SP8538 typically draws 250 A

of supply current when sampling at 25 kHz. Supply current drops linearly as the sample rate is

reduced. The ADC automatically powers down when not performing conversions, drawing only

leakage current. The SP8538 is available in 8-Pin NSOIC packages, specified over Commercial

and Industrial temperature ranges. The SP8538 is best suited for Battery-Operated Systems,

Portable Data Acquisition Instrumentation, Battery Monitoring, and Remote Sensing

applications. The serial port allows efficient data transfer to a wide range of microprocessors and

microcontrollers over 3 or 4 wires.

SP8538 Block Diagram

SP8538DS/01

SIGNAL PROCESSING EXCELLENCE

Low Cost

12-Bit Serial Sampling ADC

Guaranteed +1.0 LSB Max INL

Guaranteed No Missing Codes

8-Pin NSOIC Plastic Package

Low Power @ 250 A including

Automatic Shutdown: 1nA(typ)

Programmable Input Configuration:

Single Supply 3.0V to 5.5V operation

Half Duplex Digital Serial Interface

Sample Rate: 40 S

Pin Compatible Upgrade to LTC 1298

Micropower Sampling 12-Bit A/D Converter

Full differential or 2 channel

single-ended

CH0

CLK

CH1

DIN

REFL

GND

INPUT

MUX

DATA

REG

SP8538 Micropower Sampling 12-Bit A/D Converter

Csample N

Csample P

REFL

REFH

V CC

Internal

V CC

DAC

COMPARATOR

CONTROL LOGIC

TIMING &

REFH

SAR

PARALLEL TO

SERIAL SHIFT

SP8538

Dout

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