LM86 具有 SMBus 接口的 ±0.75°C 远程和本地温度传感器

数据： 0.75C Accurate, Remote Diode & Local Digital Temp Sensor w/Two-Wire Interface 数据表

描述

LM86是一款11位数字温度传感器，带有2线系统管理总线（SMBus）串行接口。 LM86可精确测量其自身的温度以及外部设备的温度，如处理器热二极管或二极管连接的晶体管，如2N3904。只要目标芯片上有专用二极管（半导体结），就可以使用LM86精确确定任何ASIC的温度。 LM86远程传感器精度为±0.75°C，针对移动奔腾III热敏二极管的1.008典型非理想因子进行了工厂调整。 LM86具有偏移寄存器，可以在不需要连续软件管理的情况下测量其他二极管。请联系hardware.monitor.team@nsc.com以获取新处理器的最新数据。

激活 ALERT 输出温度超出由HIGH和LOW温度限制寄存器设置的预编程窗口或超过T_CRIT温度限制。当任何温度超过T_CRIT编程限制时，会激活 T_CRIT_A 。 LM86引脚和寄存器兼容ADI公司的ADM1032和Maxim MAX6657 /8。

特性

Accurately Senses Die Temperature of Remote ICs or Diode Junctions
Offset Register Allows Sensing a Variety of Thermal Diodes Accurately
On-Board Local Temperature Sensing
10-Bit Plus Sign Remote Diode Temperature Data Format, 0.125°C Resolution
T_CRIT_A Output Useful for System Shutdown
ALERT Output Supports SMBus 2.0 Protocol
SMBus 2.0 Compatible Interface, Supports TIMEOUT
8-Pin VSSOP and SOIC Packages

Key Specifications

Supply Voltage 3.0V to 3.6V
Supply Current 0.8mA (typ)
Local Temp Accuracy (includes quantization error)
- T_A=25°C to 125°C, ±3.0°C (max)
Remote Diode Temp Accuracy (includes quantization error)
- T_A=30°C, T_D=80°C, ±0.75°C (max)
- T_A=30°C to 50°C, T_D=60°C to 100°C, ±1.0°C (max)
- T_A=0°C to 85°C, T_D=25°C to 125°C, ±3.0°C (max)

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参数与其它产品相比数字温度传感器


Interface
Local Sensor Accuracy (Max) (+/- C)
Temp Resolution (Max) (bits)
Operating Temperature Range (C)
Supply Voltage (Min) (V)
Supply Voltage (Max) (V)
Supply Current (Typ) (uA)
Supply Current (Max) (uA)
Features
Rating
Package Group
Package Size: mm2:W x L (PKG)
Iq (Typ) (uA)

LM86	LM95231
I2C SMBus	I2C SMBus
3	3
8	10
0 to 125	0 to 85
3	3
3.6	3.6
800	402
1700	402
Programmable Alert Programmable conversion rate Shutdown	One shot conversion control Programmable conversion rate Remote diode fault detection Shutdown Thermal diode input stage filtering
Catalog	Catalog
SOIC VSSOP	VSSOP
8SOIC: 29 mm2: 6 x 4.9(SOIC) 8VSSOP: 15 mm2: 4.9 x 3(VSSOP)	8VSSOP: 15 mm2: 4.9 x 3(VSSOP)
800	402