參數(shù)資料
型號: LM92CIMX/NOPB
廠商: National Semiconductor
文件頁數(shù): 1/25頁
文件大小: 1472K
描述: IC SENSOR TEMP/THERM COMP 8-SOIC
標準包裝: 2,500
系列: PowerWise®
功能: 溫度監(jiān)控系統(tǒng)(傳感器)
傳感器類型: 內(nèi)部
感應溫度: -55°C ~ 150°C
精確度: ±1.5°C(最小值)
拓撲: ADC,比較器,寄存器庫
輸出類型: 2 線串行,I²C?
輸出警報:
輸出風扇:
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -55°C ~ 150°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SOP
包裝: 帶卷 (TR)
其它名稱: *LM92CIMX
*LM92CIMX/NOPB
LM92CIMX
LM92CIMX-ND
LM92CIMX/NOPBTR
LM 92
www.ti.com
SNIS110D MARCH 2000REVISED MARCH 2013
?.33癈A ccurate,12-B it+SignTem peratureSensorandTherm alW indowC om parator
W ithTw o-W ireInterface
Check for Samples: LM92
1
FEATURES
DESCRIPTION
The LM92 is a digital temperature sensor and thermal
23
"  Window Comparison Simplifies Design of
window comparator with an I
2
C" Serial Bus interface
ACPI-Compatible Temperature Monitoring and
and an accuracy of ?.33癈. The window-comparator
Control
architecture  of  the  LM92  eases  the  design  of
"   Serial Bus Interface
temperature   control   systems.   The   open-drain
Interrupt  (INT)  output  becomes  active  whenever
"   Separate Open-Drain Outputs for Interrupt and
temperature goes outside a programmable window,
Critical Temperature Shutdown
while   a   separate   Critical   Temperature   Alarm
"   Shutdown Mode to Minimize Power
(T_CRIT_A)   output   becomes   active   when   the
Consumption
temperature exceeds a programmable critical limit.
"   Up to Four LM92s can be Connected to a
The INT output can operate in either a comparator or
Single Bus
event mode, while the T_CRIT_A output operates in
comparator mode only.
"   12-Bit + Sign Output
The host can program both the upper and lower limits
"   Operation up to 150癈
of the window as well as the critical temperature limit.
Programmable Hysteresis as well as a fault queue
APPLICATIONS
are available to minimize false tripping. Two pins (A0,
"   HVAC
A1) are available for address selection. The sensor
"   Medical Electronics
powers up with default thresholds of 2癈 T
HYST
, 10癈
T
LOW
, 64癈 T
HIGH
, and 80癈 T_CRIT.
"   Electronic Test Equipment
The LM92's 2.7V to 5.5V supply voltage range, Serial
"   System Thermal Management
Bus  interface,  12-bit  +  sign  output,  and  full-scale
"   Personal Computers
range of over 128癈 make it ideal for a wide range of
"   Office Electronics
applications. These include thermal management and
"   Automotive
protection   applications   in   personal   computers,
electronic    test    equipment,    office    electronics,
automotive, medical and HVAC applications.
KEY SPECIFICATIONS
"   Supply Voltage 2.7V to 5.5V
"   Supply Current operating 350 糀 (typ) 625 糀
(max) shutdown 5 糀 (typ)
"   Temperature Accuracy
  30癈, ?.33癈 (max)
  10癈 to 50癈, ?.50癈 (max)
  10癈 to 85癈, ?.0癈 (max)
  125癈, ?.25癈 (max)
  25癈 to 150癈, ?.5癈 (max)
"   Linearity ?.5癈 (max)
"   Resolution 0.0625癈
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2I
2
C is a trademark of dcl_owner.
3All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright ?20002013, Texas Instruments Incorporated
Products  conform  to  specifications  per  the  terms  of  the  Texas
Instruments  standard  warranty.  Production  processing  does  not
necessarily include testing of all parameters.
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