LM96080

更新时间： 2024-11-09 05:42:23

品牌	Logo	应用领域
美国国家半导体 - NSC		监控
页数	文件大小	规格书
30页	589K
描述
System Hardware Monitor with 2-Wire Serial Interface

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LM96080 数据手册

November 3, 2009

LM96080

System Hardware Monitor with 2-Wire Serial Interface

General Description

Features

LM96080, compatible to LM80, is a hardware monitor that

contains a 10-bit delta-sigma ADC capable of measuring 7

positive voltages and local temperature. The LM96080 also

measures the speed of two fans and includes other hardware

monitoring on an I²C® interface. The LM96080 includes a se-

quencer that performs WATCHDOG window comparisons of

all measured values and its interrupt outputs become active

when any values exceed the programmed limits.

Local Temperature Sensing

■

7 Positive Voltage Inputs with 10-bit Resolution

2 Programmable Fan Speed Monitoring Inputs

2.5 mV LSb and 2.56V Input Range

Chassis Intrusion Detector Input

WATCHDOG Comparison of All Monitored Values

Separate Input to Show Status in Interrupt Status Register

of Additional External Temperature Sensors Such as the

LM26/27, LM56/57, LM73, or LM75

The LM96080 is especially suited to interface to both linear

and digital temperature sensors. The 2.5 mV LSb (least sig-

nificant bit) and 2.56 volt input range is ideal for accepting

inputs from a linear sensor such as the LM94022. The BTI is

used as an input from either digital or thermostat sensors such

as LM73, LM75, LM56, LM57, LM26, LM27, LM26LV, or other

LM96080.

I²C Serial Bus Interface Compatibility, Supports Standard

Mode, 100 kbits/s, and Fast Mode, 400 kbits/s

■

Shutdown Mode to Minimize Power Consumption

■

Programmable RST_OUT/OS Pin: RST_OUT Provides a

Reset Output; OS Provides an Interrupt Output Activated

by an Overtemperature Shutdown Event

The LM96080 supports Standard Mode (Sm, 100 kbits/s) and

Fast Mode (Fm, 400 kbits/s) I²C interface modes of operation.

LM96080 includes an analog filter on the I²C digital control

lines that allows improved noise immunity and supports

TIMEOUT reset function on SDA and SCL that prevents I²C

bus lockup. Three I²C device address pins allow up to 8 parts

on a single bus.

Software and Pin Compatible with the LM80

■

Key Specifications

■ꢀTotal Unadjusted Error

■ꢀDifferential Non-Linearity

■ꢀSupply Voltage Range

■ꢀSupply Current (Operating)

■ꢀSupply Current (Shutdown)

■ꢀADC Resolution

±1% FS (max)

±1LSb (max)

+3.0V to +5.5V

0.370 mA typ

0.330 mA typ

10 Bits

The LM96080's 3.0V to 5.5V supply voltage range, low supply

current, and I²C interface make it ideal for a wide range of

applications. Operation is guaranteed over the temperature

range of (−40)°C ≤ T_A≤ +125°C. The LM96080 is available

in a 24-pin TSSOP package.

Applications

Communications Infrastructure

■

■ꢀTemperature Resolution

■ꢀTemperature Accuracy

0.5/0.0625°C

± 3°C (max)

System Thermal and Hardware Monitoring for Servers

Electronic Test Equipment and Instrumentation

Office Electronics

C® is a registered trademark of the Philips Corporation.

300701

www.national.com

12 3 4 5 6 7...30

中文翻译

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与LM96080相关器件

型号	品牌	获取价格	描述	数据表
LM96080CIMT	NSC	获取价格	IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO24, PLASTIC, TSSOP-24, Power Management Circ
LM96080CIMT	TI	获取价格	LM96080 System Hardware Monitor with 2-Wire Serial Interface
LM96080CIMT/NOPB	TI	获取价格	LM96080 System Hardware Monitor with 2-Wire Serial Interface
LM96080CIMT-NOPB	NSC	获取价格	IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO24, ROHS COMPLIANT, PLASTIC, TSSOP-24, Power
LM96080CIMT-NOPB1	NSC	获取价格	System Hardware Monitor with 2-Wire Serial Interface
LM96080CIMTX	NSC	获取价格	IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO24, PLASTIC, TSSOP-24, Power Management Circ
LM96080CIMTX/NOPB	TI	获取价格	LM96080 System Hardware Monitor with 2-Wire Serial Interface
LM96080CIMTX-NOPB	NSC	获取价格	IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO24, ROHS COMPLIANT, PLASTIC, TSSOP-24, Power
LM96080CIMTX-NOPB2	NSC	获取价格	System Hardware Monitor with 2-Wire Serial Interface
LM96-1/2-LENS-KIT	NSC	获取价格	LM9648 Color CMOS Image Sensor SXGA 18 FPS

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