Datasheet > MAX31826

MAX31826

更新时间： 2024-11-10 14:58:03

品牌	Logo	应用领域
亚德诺 - ADI		可编程只读存储器电动程控只读存储器电可擦编程只读存储器温度传感传感器温度传感器
页数	文件大小	规格书
22页	1041K
描述
带有1Kb可锁存EEPROM的1-Wire数字温度传感器

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中文翻译

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数据手册

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MAX31826 数据手册

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MAX31826

1-Wire Digital Temperature Sensor

with 1Kb Lockable EEPROM

General Description

The MAX31826 digital thermometer provides 12-bit

Beneﬁts and Features

● Unique 1-Wire Interface Requires Only One Port

Pin for Communication

● Integrated Temperature Sensor and EEPROM

Reduce Component Count

temperature measurements and communicates over a

1-Wire bus that by definition requires only one data line

(and ground) for communication with a central microcon-

troller. It has a -55°C to +125°C operating temperature

range and is accurate to ±0.5°C over the -10°C to +85°C

range. In addition, the device can derive power directly

from the data line (“parasite power”), eliminating the need

for an external power supply.

• Measures Temperatures from -55°C to +125°C

(-67°F to +257°F)

• ±0.5°C Accuracy from -10°C to +85°C

• 12-Bit Temperature Resolution (0.0625°C)

• 1Kb EEPROM Can Be Locked to Prevent Further

Writes

Each device has a unique 64-bit serial code, which

allows multiple devices to function on the same 1-Wire

bus. Therefore, it is simple to use one microcontroller

(the master device) to control many devices distributed

over a large area. The device includes 128 bytes (1Kb)

of EEPROM for storage of system data. The EEPROM

can be locked to permanently prevent any further data

writes. Four location address inputs simplify mapping of

individual devices to specific locations.

● Multidrop Capability Simplifies Multisensor Systems

• Each Device Has a Unique 64-Bit Serial Code

Stored in On-Board ROM

• Four Pin-Programmable Bits to Uniquely

Identify Up to 16 Sensor Locations on a Bus

● Can Be Powered from Data Line (3.0V to 3.7V

Power-Supply Range)

● 8-Pin μMAX and TDFN Packages

Applications

● Industrial Systems

● Building Automation

● Consumer Equipment

● System Calibration

● Module Identiﬁcation

Ordering Information appears at end of data sheet.

Block Diagram

4.7kΩ

MEMORY

CONTROL LOGIC

PARASITE-

POWER

CIRCUIT

MAX31826

64-BIT ROM

AND

1-Wire PORT

GND

1Kb

SCRATCHPAD 2

EEPROM

16-BIT TEMPERATURE REGISTER

POWER-

SUPPLY

SENSE

SCRATCHPAD 1

8-BIT CRC GENERATOR

8-BIT CONFIGURATION REGISTER

ADDRESS PIN

INPUT LATCH

AD0 AD1 AD2 AD3

1-Wire and μMAX are registered trademarks of Maxim Integrated Products, Inc.

19-6264; Rev 1; 1/21

12 3 4 5 6 7...22

中文翻译

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与MAX31826相关器件

型号	品牌	获取价格	描述	数据表
MAX31826MUA	MAXIM	获取价格	1-Wire Digital Temperature Sensor with 1Kb Lockable EEPROM
MAX31826MUA T	MAXIM	获取价格	1-Wire Digital Temperature Sensor with 1Kb Lockable EEPROM
MAX31826MUA+	MAXIM	获取价格	1-Wire Digital Temperature Sensor with 1Kb Lockable EEPROM
MAX31826MUA+T	MAXIM	获取价格	1-Wire Digital Temperature Sensor with 1Kb Lockable EEPROM
MAX31827	ADI	获取价格	具有 I2C 接口的低功耗温度开关
MAX31828	ADI	获取价格	具有I2C接口的低功耗温度开关
MAX31829	ADI	获取价格	具有 I2C 接口的低功耗温度开关
MAX3182E	MAXIM	获取价格	Evaluation Kit for the MAX1705/MAX1706[MAX1705EVKIT/MAX1706EVKIT ]
MAX3182E	ADI	获取价格	±15kV ESD保护、0.5μA、+3V至+5.5V、1.5Mbps RS-232接收器
MAX3182EEUK	MAXIM	获取价格	Line Receiver, 1 Func, 1 Rcvr, CMOS, PDSO5, SOT-23, 5 PIN

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