MAX11626(2014) Просмотр технического описания (PDF) - Maxim Integrated

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MAX11626
(Rev.:2014)

12-Bit, 300ksps ADCs with FIFO and Internal Reference

Maxim Integrated 

MAX11626–MAX11629/

MAX11632/MAX11633

12-Bit, 300ksps ADCs

with FIFO and Internal Reference

CS

SCLK

DIN

DOUT

tCSS0

tCH

tCL

tDH

tDS

tDOE

tCP

tDOT

tCSH1

tCSH0

tCSS1

tDOD

Figure 1. Detailed Serial-Interface Timing Diagram

CS

DIN

SCLK

SERIAL

INTERFACE

DOUT

OSCILLATOR

CONTROL

EOC

CNVST

AIN1

AIN2

AIN15

REF

T/H

12-BIT

SAR

ADC

FIFO AND

ACCUMULATOR

INTERNAL

REFERENCE

MAX11626–MAX11629/MAX11632/MAX11633

Figure 2. Functional Diagram

Detailed Description

The MAX11626–MAX11629/MAX11632/MAX11633 are

low-power, serial-output, multichannel ADCs with FIFO

capability for system monitoring, process-control, and

instrumentation applications. These 12-bit ADCs have

internal track and hold (T/H) circuitry supporting sin-

gleended inputs. Data is converted from analog voltage

sources in a variety of channel and data-acquisition

configurations. Microprocessor (μP) control is made easy

through a 3-wire SPI-/QSPI-/MICROWIRE-compatible

serial interface.

Figure 2 shows a simplified functional diagram of the

MAX11626–MAX11629/MAX11632/MAX11633 inter-

nal architecture. The MAX11632/MAX11633 have 16

single-ended analog input channels. The MAX11628/

MAX11629 have 8 single-ended analog input channels.

The MAX11626/MAX11627 have 4 single-ended analog

input channels.

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