MAX1026BEEET データシートの表示（PDF） - Maxim Integrated

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MAX1026BEEET

10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference

Maxim Integrated 

10-Bit 300ksps ADCs with FIFO,

Temp Sensor, Internal Reference

CS

SCLK

DIN

DOUT

tCSS

tCH

tDH

tDS

tDOE

tCP

tDOT

tCSH

tCSH

tCSS

tDOD

Figure 1. Detailed Serial-Interface Timing Diagram

CS

DIN

SCLK

SERIAL

INTERFACE

DOUT

CNVST

AIN1

AIN2

AIN15

REF-

REF+

OSCILLATOR

CONTROL

EOC

T/H

TEMP

SENSE

MAX1026

MAX1028

MAX1030

12-BIT

SAR

ADC

FIFO AND

ACCUMULATOR

INTERNAL

REFERENCE

Figure 2. Functional Diagram

Detailed Description

The MAX1026/MAX1028/MAX1030 are low-power, seri-

al-output, multichannel ADCs with temperature-sensing

capability for temperature-control, process-control, and

monitoring applications. These 10-bit ADCs have inter-

nal track and hold (T/H) circuitry that supports single-

ended and fully differential inputs. Data is converted

from an internal temperature sensor or 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-compati-

ble serial interface.

Figure 2 shows a simplified functional diagram of the

MAX1026/MAX1028/MAX1030 internal architecture. The

MAX1026 has eight single-ended analog input chan-

nels or four differential channels. The MAX1028 has 12

single-ended analog input channels or six differential

channels. The MAX1030 has 16 single-ended analog

input channels or eight differential channels.

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