Datasheet > LM95234_07

LM95234_07

更新时间： 2024-09-14 03:51:39

品牌	Logo	应用领域
美国国家半导体 - NSC		二极管传感器温度传感器
页数	文件大小	规格书
38页	828K
描述
Quad Remote Diode and Local Temperature Sensor with SMBus Interface and TruTherm Technology

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

LM95234_07 数据手册

June 2007

LM95234

Quad Remote Diode and Local Temperature Sensor with

SMBus Interface and TruTherm™ Technology

TruTherm BJT beta compensation technology accurately

senses sub-micron process thermal diodes

Programmable digital filters and analog front end filter

■

General Description

LM95234 is an 11-bit digital temperature sensor with a 2-wire

■

System Management Bus (SMBus) interface that can very

accurately monitor the temperature of four remote diodes as

0.125°C LSb temperature resolution

0.03125°C LSb remote temperature resolution with digital

filter enabled

+127.875°C/–128°C and 0°C/255°C remote ranges

well as its own temperature that includes patent pending re-

mote diode TruTherm™ BJT beta compensation beta com-

pensation technology. The four remote diodes can be

external devices such as microprocessors, graphics proces-

sors or diode-connected 2N3904s. The LM95234's TruTherm

BJT beta compensation technology allows sensing of 90 nm

or 65 nm process thermal diodes accurately.

■

Remote diode fault detection, model selection and offset

correction

Mask and status register support

■

3 programmable TCRIT outputs with programmable

shared hysteresis and Fault-Queue

Programmable conversion rate and shutdown mode one-

shot conversion control

SMBus 2.0 compatible interface, supports TIMEOUT

Three-level address pin

The LM95234 reports temperature in two different formats for

+127.875°C/–128°C range and 0°C/255°C range. The

LM95234 TCRIT1, TCRIT2 and TCRIT3 outputs are triggered

when any unmasked channel exceeds its corresponding pro-

grammable limit and can be used to shutdown the system, to

turn on the system fans or as a microcontroller interrupt func-

tion. The current status of the TCRIT1, TCRIT2 and TCRIT3

pins can be read back from the status registers. Mask regis-

ters are available for further control of the TCRIT outputs.

■

14-pin LLP package

Key Specifications

Two LM95234 remote temperature channels have pro-

grammable digital filters while the other two remote channels

utilize a fault-queue to minimize unwanted TCRIT events

when temperature spikes are encountered.

±2.0°C (max)

±0.875°C (max)

3.0V to 3.6V

■ꢀLocal Temperature Accuracy

■ꢀRemote Diode Temperature Accuracy

■ꢀSupply Voltage

■ꢀAverage Supply Current

ꢁꢀ(1Hz conversion rate)

For optimum flexibility and accuracy, each LM95234 channel

includes registers for sub-micron process or 2N3904 diode

model selection as well as offset correction. A three-level ad-

dress pin allows connection of up to 3 LM95234s to the same

SMBus master. The LM95234 includes power saving func-

tions such as: programmable conversion rate, shutdown

mode, and disabling of unused channels.

0.57 mA (typ)

Applications

Processor/Computer System Thermal Management

(e.g. Laptop, Desktop, Workstations, Server)

■

Electronic Test Equipment

Office Electronics

■

Features

Accurately senses die temperature of 4 remote ICs or

■

diode junctions and local temperature

Connection Diagram

LLP-14

20106301

TOP VIEW

TruTherm™ is a trademark of National Semiconductor Corporation.

Intel™ is a trademark of Intel Corporation.

Pentium™ is a trademark of Intel Corporation.

201063

www.national.com

12 3 4 5 6 7...38

中文翻译

下载PDF

与LM95234_07相关器件

型号	品牌	获取价格	描述	数据表
LM95234_15	TI	获取价格	Quad Remote Diode and Local Temperature Senso
LM95234CISD	NSC	获取价格	Quad Remote Diode and Local Temperature Senso
LM95234CISD/NOPB	NSC	获取价格	Switch/Digital Output Temperature Sensor, DIGITAL TEMP SENSOR-SERIAL, 11BIT(s), 2Cel, SQUA
LM95234CISD/NOPB	TI	获取价格	Quad Remote Diode and Local Temperature Senso
LM95234CISDX	NSC	获取价格	Quad Remote Diode and Local Temperature Senso
LM95234CISDX/NOPB	TI	获取价格	Quad Remote Diode and Local Temperature Senso
LM95235	NSC	获取价格	Precision Remote Diode Temperature Sensor with SMBus Interface and TruTherm Technology
LM95235	TI	获取价格	Precision Remote Diode Temperature Sensor wit
LM95235_08	NSC	获取价格	Precision Remote Diode Temperature Sensor with SMBus Interface and TruTherm? Technology
LM95235_15	TI	获取价格	Precision Remote Diode Temperature Sensor wit

与LM95234_07相关文章

摩尔斯微电子在美国约书亚树国家公园测试 Wi-Fi HaLow
2024-09-18

1
贸泽上架Tallysman TW5386智能GNSS天线
2024-09-18

1
SL74HC10N：高性能三输入与非门解析
2024-09-03

81
AIC1781A 电池充电控制器深度解析
2024-09-03

72

产品中心

服务支持

精选活动

关于我们

帮助中心

LM95234_07

LM95234_07 数据手册

与LM95234_07相关器件

与LM95234_07相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

LM95234_07

LM95234_07 数据手册

与LM95234_07相关器件

与LM95234_07相关文章

您还可以找

您在本页遇到什么问题？