MAX31826MUA

更新时间： 2024-11-09 07:17:23

品牌	Logo	应用领域
美信 - MAXIM		传感器温度传感器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
页数	文件大小	规格书
22页	1638K
描述
1-Wire Digital Temperature Sensor with 1Kb Lockable EEPROM

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中文翻译

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数据手册

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MAX31826MUA 数据手册

19-6264; Rev 0; 3/12

MAX31826

1-Wire Digital Temperature Sensor

with 1Kb Lockable EEPROM

General Description

Benefits and Features

The MAX31826 digital thermometer provides 12-bit

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 -55NC to +125NC operating temperature

range and is accurate to Q0.5NC over the -10NC to +85NC

range. In addition, the device can derive power directly

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

need for an external power supply.

S Unique 1-Wire Interface Requires Only One Port

Pin for Communication

S Integrated Temperature Sensor and EEPROM

Reduce Component Count

 Measures Temperatures from -55NC to +125NC

(-67NF to +257NF)

 ±±05NC Accuracy from -1±NC to +85NC

 12-Bit Temperature Resolution (±0±625NC)

 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.

S 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

S Can Be Powered from Data Line (30±V to 307V

Power-Supply Range)

Applications

S 8-Pin µMAX Package

Ordering Information appears at end of data sheet.

Industrial Systems

Building Automation

Consumer Equipment

System Calibration

For related parts and recommended products to use with this part,

refer to www.maxim-ic.com/MAX31826.related.

Module Identification

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.

�� Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...22

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与MAX31826MUA相关器件

型号	品牌	获取价格	描述	数据表
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
MAX3182EEUK+	MAXIM	获取价格	Line Receiver, 1 Func, 1 Rcvr, CMOS, PDSO5, SOT-23, 5 PIN

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