LM83CIMQAX/NOPB National Semiconductor, LM83CIMQAX/NOPB Datasheet
LM83CIMQAX/NOPB
Specifications of LM83CIMQAX/NOPB
*LM83CIMQAX/NOPB
LM83CIMQAX
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LM83CIMQAX/NOPB Summary of contents
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... Pentium II ® registered trademark of the Intel Corporation ® registered trademark of the Philips Corporation. © 2000 National Semiconductor Corporation n On-board local temperature sensing n SMBus and I SMBus 1.1 TIMEOUT n Two interrupt outputs: INT and T_CRIT_A n Register readback capability n 7 bit plus sign temperature data format, 1 ˚C resolution n 2 address select pins allow connection of 9 LM83s on a ® ...
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Connection Diagram QSOP-16 TOP VIEW Typical Application Pin Description Label Pin # D1+, D2+, D3 www.national.com Ordering Information Order Number LM83CIMQA LM83CIMQAX DS101058-2 Function Diode Current Source To Diode Anode. Connected to remote discrete ...
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Pin Description (Continued) Label Pin # D− 4 ADD0–ADD1 10, 6 GND 13, 15 INT 11 SMBData 12 SMBCLK 14 T_CRIT_A 16 Function Diode Return Current To all Diode Junction Cathodes using a star Sink connection ...
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Absolute Maximum Ratings Supply Voltage Voltage at Any Pin D− Input Current Input Current at All Other Pins (Note 2) Package Input Current (Note 2) SMBData, T_CRIT_A, INT Output Sink Current SMBCLK, SMBData, T_CRIT_A, INT Output Voltage Storage Temperature Soldering ...
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Logic Electrical Characteristics DIGITAL DC CHARACTERISTICS Unless otherwise noted, these specifications apply for all other limits =+25˚C, unless otherwise noted. MAX A J Symbol Parameter SMBData, SMBCLK V Logical “1” Input Voltage IN(1) V ...
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Logic Electrical Characteristics SMBus DIGITAL SWITCHING CHARACTERISTICS Unless otherwise noted, these specifications apply for V pF. Boldface limits apply for The switching characteristics of the LM83 fully meet or exceed the published specifications of the SMBus ...
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Logic Electrical Characteristics See drawing DS10105807 Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating the device beyond its rated operating conditions. Note 2: ...
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Logic Electrical Characteristics Note 6: Typicals are 25˚C and represent most likely parametric norm. A Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). Note 8: The Temperature Error will vary less than Note ...
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Functional Description Register flags are updated at the completion of a conversion, which occurs approximately 60 ms after a temperature diode is sampled. INT is deactivated when the Status Register, containing the set bit, is read and a temperature ...
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Functional Description 3. Diode 1, Diode 2, and Diode 3 Remote Temperature set to 0˚C until the LM83 senses a diode present between the D+ and D− input pins. 4. Status Registers 1 and 2 set to 00h. 5. ...
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Functional Description 1.9 COMMUNICATING with the LM83 There are 19 data registers in the LM83, selected by the Command Register. At power-up the Command Register is set to “00”, the location for the Read Local Temperature Reg- ister. The ...
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Functional Description the serial interface logic if either of the SMBData or SMBCLK lines are held low between 25 ms and 40 ms. TIMEOUT al- lows a clean recovery in cases where the master may be re- set while ...
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Functional Description 2.0 LM83 REGISTERS 2.1 COMMAND REGISTER Selects which registers will be read from or written to. Data for this register should be transmitted during the Command Byte of the SMBus write communication ...
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Functional Description Command Se- Power On Default State lect Address < > < > P7:P0 hex D7:D0 binary 5Ch-6Fh and F0h-FDh FEh 0000 0001 FFh 2.2 LOCAL and D1, D2 and D3 REMOTE TEMPERATURE REGISTERS (LT, D1RT, D2RT, and ...
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Functional Description D5: T_CRIT mask for Diode 1, when set Diode 1 temperature reading that exceeds T_CRIT setpoint will not activate the T_CRIT_A pin. D4: T_CRIT mask for Diode 2, when set Diode ...
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SMBus Timing Diagrams (a) Serial Bus Write to the internal Command Register followed by a the Data Byte (b) Serial Bus Write to the internal Command Register (c) Serial Bus Read from a Register with the internal Command Register ...
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Application Hints The LM83 can be applied easily in the same way as other integrated-circuit temperature sensors, and its remote diode sensing capability allows used in new ways as well. It can be soldered to a ...
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Application Hints 6. Avoid running diode traces close to or parallel to high speed digital and bus lines. Diode traces should be kept at least 2cm. apart from the high speed digital traces necessary to ...
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Typical Applications Any two or three D+ inputs can be connected in parallel to increase the number of High temperature setpoints for a particular temperature reading. If all three D+ inputs are tied as shown here, D1+, D2+ and ...
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... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...