MAX31725(2012) データシートの表示（PDF） - Maxim Integrated

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MAX31725
(Rev.:2012)

±0.5°C Local Temperature Sensor

Maxim Integrated 

MAX31725

±0.5°C Local Temperature Sensor

Block Diagram

MAX31725

I2C BLOCK

TOS REGISTER

TEMP REGISTER

THYST REGISTER

DIGITAL

COMPARATOR

DIGITAL LOGIC BLOCK

OS

ACTIVATE

THERMOSTAT

LOGIC

OS

N

MSB

00

DATA POINTER

LSB

0 0 0 0 D1 D0

FAULT

QUEUE

BITS

COMPARE/

INTERRUPT

BIT

OS

POLARITY

BIT

DATA REGISTER BLOCK

D1 D0

MSB

MS BYTE

LSB MSB

LS BYTE

LSB

0 0 TEMP S 26 25 24 23 22 21 20 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8

SDA

SERIAL LOGIC

SCL

A0

ADDRESS

A1

DECODER

MSB

LSB 3

0

1

CONFIG

ONE

SHOT

TIMEOUT

DATA

FORMAT

FAULT

QUEUE

1

FAULT

QUEUE

0

OS

POLARITY

COMPARATOR/

INTERRUPT

SHUTDOWN

MS BYTE

MSB

LSB MSB

LS BYTE

2

LSB

1 0 THYST S 26 25 24 23 22 21 20 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8

11

TOS S 26 25 24 23 22 21 20 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8

A2

POR

BLOCK

VDD

VDD

GND

VOLTAGE

REFERENCE

TEMPERATURE CORE BLOCK

DIGITAL CONTROL

16-BIT

Σ∆ ADC

TEMPERATURE

SENSOR

ONE-SHOT BIT

SHUTDOWN BIT

Maxim Integrated

  7

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