LM96080 - 具有双线串行接口的系统硬件监控器

LM96080是TI德州仪器公司的一款监控和??风扇控制产品，LM96080是具有双线串行接口的系统硬件监控器，本站介绍了LM96080的封装应用图解、特点和优点、功能等，并给出了与LM96080相关的TI元器件型号供参考。

LM96080 - 具有双线串行接口的系统硬件监控器 - 监控和??风扇控制 - 其他传感器信号调节器 - 德州仪器

产品描述

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 sequencer that performs WATCHDOG window comparisons of all measured values and its interrupt outputs become active when any values exceed the programmed limits.

The LM96080 is especially suited to interface to both linear and digital temperature sensors. The 2.5 mV LSb (least significant 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.

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.

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 ensured over the temperature range of (−40)°C ≤ TA ≤ +125°C. The LM96080 is available in a 24-pin TSSOP package.

产品特性

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
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
Software and Pin Compatible with the LM80

Key Specifications

Total Unadjusted Error ±1 %FS (Max)
Differential Non-Linearity ±1 Lsb (Max)
Supply Voltage Range +3.0 V to +5.5 V
Supply Current (Operating) 0.370 mA Typ
Supply Current (Shutdown) 0.330 mA Typ
ADC Resolution 10 Bits
Temperature Resolution 0.5°C/0.0625°C
Temperature Accuracy ±3°C (Max)

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