ADM1040 AD | Alldatasheet
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Technical content
/G61Power Supply Monitor ASIC ADM1040
FEATURES
Monitors Multiple Voltage Rails (240VA Lim- ited) Monitors Bulk DC, Op-Amp Supply, 5V Supply Monitors Voltage Rails 1,2 and 3 Currents Up to 3 Fan Speed Measurement Channels Up to 6 General-Purpose Logic Inputs External Temperature Measurement with Remote Diode (Two Channels) On-Chip Temperature Sensor Limit Comparison of all Monitored Values FUNCTIONAL BLOCK DIAGRAM REV. PrG 01/'01 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 617/329-4700 W orld Wide Web Site: http://www.analog.com Fax: 617/326-8703 © Analog Devices, Inc., 2001 Preliminary Technical Data SMBus is a trademark Analog Fan Speed Control Output SMBusTM Compatible Serial Interface SMBus ALERT Capability
512 Bytes On-Chip, Write-Protected E 2PROM
Shutdown Output for Overtemperature and 240VA Faults
APPLICATIONS
Network Servers and Personal Computers Microprocessor-Based Office Equipment Test Equipment and Measuring Instruments PRELIMINARY TECHNICAL DATA INPUT SIGNAL CONDITIONING AND ANALOG MULTIPLEXER BANDGAP REFERENCE GND SERIAL BUS INTERFACE SCLSDA GPIO REGISTERS A0/NTEST_OUT ADDRESS POINTER REGISTER ADM1040 TEMPERATURE CONFIGURATION REGISTER FAN SPEED COUNTER 8-BIT ADC 8K BYTES E 2PROM VDD /5VSB GPI2/I2_+ GPI3/I2_-/AIN2 GPI4/I3_+ GPI5/I3_- D1-/GPI2 D1+/GPI3 D2-/GPI4/FAN2 D2+/GPI5/FAN3 I1_+ I1_-/AIN1 AIN3 AIN4 AIN5 GPI0 FAN1/GPI1 VALUE AND LIMIT REGISTERS LIMIT COMPARATORS INT MASK REGISTERS CONFIGURATION REGISTERS INTERRUPT STATUS REGISTERS INTERRUPT MASKING ANALOG OUTPUT REGISTER AND 8-BIT DAC /G41/G4C/G45/G52/G541 BANDGAP TEMP. SENSOR VDD 2 3 22 23 FROM NAND TREE OUTPUT TO NAND TREE ENABLE 24 /G53/G48/G44/G4E DAC/NTEST_IN