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LM99-1CIMM
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LM99-1CIMM

  • Category:Operational amplifiers
  • Product Name:Remote diodes and local digital temperature sensors
  • Manufacturers:NSC
  • Production Batch Number:10+11+
  • Encapsulation:MSOP8
  • Stock Status:There is stock
  • Stock Quantity:41980
  • Minimum order quantity: 1
  • Details:点击查找LM99-1CIMM的pdf资料
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  • Product introduction

peculiarity


Accurate sensory temperature of the remote diode
Offset registers that allow the use of various thermal diodes
Local temperature sensing
Temperature data format of 10-bit plus remote diode with resolution 0.125°C,
T_CRIT_A # Output useful system shutdown
The ALERT# output supports SMBus with the 2.0 protocol
SMBus 2.0 compatible interface that supports timeouts
8-pin MSOP package

 

illustrate

The LM99 is an 11-bit, 2-wire System Management Bus (SMBus) serial interface remote diode temperature sensor. LM99 measures accurately: (1) its own temperature and (2) remote connection into diodes, such as 2N3904 or thermal diodes, commonly used in graphics processing units (GPUs), computer processor units (CPU or other ASIC transistor temperature LM99 remote diode temperature sensor to change the temperature from 16 ° C drop remote control sensor and operate, transfer temperature:

Local temperature readings require no offset.

The LM99 has an offset register which provides a means of precisely matching the various thermal diodes. Contact hardware.monitor @ nsc.com for the latest details.

LM99 and LM99-1 have the same functionality, but different SMBus slave addresses. This makes every one on the same bus at the same time.

Activated alarm output# occurs at any temperature rise outside the pre-programmed window set high and low temperature limit registers or exceeds T_CRIT temperature limits. #T_CRIT_A Any temperature exceeding T_CRIT programming limit occurs when activated.

 

Main specifications


The supply voltage is 3.0 V to 3.6 V
Supply current 0.8 mA (typical)
Local temperature accuracy (including quantification error)
TA = 25°C to 125°C ± 3.0°C (maximum)
Remote diode temperature accuracy (including quantization error)
T A = 30 °C to 50 °C, T D = 120 °C to 140 °C ± 1.0 °C (maximum)
T = 0°C to 85°C, T D = 25°C to 140°C ± 3.0°C (maximum)


 

 

apply


Graphics processor thermal management
Thermal management of computer processors
Electronic test equipment
Office electronics

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