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ADM1024ARUZ-REEL データシート(PDF) 1 Page - ON Semiconductor |
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ADM1024ARUZ-REEL データシート(HTML) 1 Page - ON Semiconductor |
1 / 29 page © Semiconductor Components Industries, LLC, 2010 June, 2010 − Rev. 2 1 Publication Order Number: ADM1024/D ADM1024 System Hardware Monitor with Remote Diode Thermal Sensing The ADM1024 is a complete system hardware monitor for microprocessor−based systems, providing measurement and limit comparison of various system parameters. Eight measurement inputs are provided; three are dedicated to monitoring 5.0 V and 12 V power supplies and the processor core voltage. The ADM1024 can monitor a fourth power supply voltage by measuring its own VCC. One input (two pins) is dedicated to a remote temperature−sensing diode. Two more pins can be configured as inputs to monitor a 2.5 V supply and a second processor core voltage, or as a second temperature−sensing input. The remaining two inputs can be programmed as general purpose analog inputs or as digital fan speed measuring inputs. Measured values can be read out via a serial System Management Bus and values for limit comparisons can be programmed in over the same serial bus. The high speed successive approximation ADC allows frequent sampling of all analog channels to ensure a fast interrupt response to any out−of−limit measurement. The ADM1024’s 2.8 V to 5.5 V supply voltage range, low supply current, and SMBus interface make it ideal for a wide range of applications. These include hardware monitoring and protection applications in personal computers, electronic test equipment, and office electronics. FEATURES • Up to Nine Measurement Channels • Inputs Programmable−to−Measure Analog Voltage, Fan Speed or External Temperature • External Temperature Measurement with Remote Diode (Two Channels) • On−Chip Temperature Sensor • Five Digital Inputs for VID Bits • LDCM Support • System Management Bus (SMBus) • Chassis Intrusion Detect • Interrupt and Overtemperature Outputs • Programmable RESET Input Pin • Shutdown Mode to Minimize Power Consumption • Limit Comparison of All Monitored Values • This is a Pb−Free Device APPLICATIONS • Network Servers and Personal Computers • Microprocessor−Based Office Equipment • Test Equipment and Measuring Instruments http://onsemi.com See detailed ordering and shipping information in the package dimensions section on page 28 of this data sheet. ORDERING INFORMATION xxx = Specific Device Code #= Pb−Free Package YYWW = Date Code MARKING DIAGRAM TSSOP−24 CASE 948H 1024 ARUZ #YYWW 1 PIN ASSIGNMENT 1 2 5 6 7 8 9 10 20 21 22 23 24 19 14 13 12 11 SDA SCL CI FAN2/AIN2 FAN1/AIN1 NTEST_OUT/ADD VID1/IRQ1 +2.5VIN/D2+ +VCCP1 VID4/IRQ4 GND VCC RESET NTEST_IN/AOUT INT VCCP2/D2– +5.0VIN D1– D1+ +12VIN VID0/IRQ0 AD1024 (Top View) THERM VID3/IRQ3 VID2/IRQ2 18 17 16 15 3 4 |
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同様の説明 - ADM1024ARUZ-REEL |
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