ADM1033 Datasheet | Analog Devices

FEATURES 1 local and 1 remote temperature channel ±1.5°C accuracy on local and remote channels Automatic series resistance cancellation on remote Temperature channels > 1 kΩ Fast (up to 64 measurements per second) SMBus 2.0, 1.1, and 1.0 pliant SMBus address input/LOCATION input to UDID Programmable over-/undertemperature limits Programmable fault queue SMBus ALERT output Fail-safe overtemperature parator output Fan speed (RPM) controller Look-up table for temperature-to-fan-speed control Linear and discrete options for look-up table FAN_FAULT output THERM input, used to time PROCHOT assertions REF input, used as reference for THERM (PROCHOT) 3 V to 5.5 V supply Small 16-lead QSOP package APPLICATIONS Desktop and notebook PCs Embedded systems Telemunications equipment LCD projectors FUNCTIONAL BLOCK DIAGRAM SMBUS ADDRESS 16 15 MANUAL FAN SPEED CONTROL REGISTERS SERIAL BUS INTERFACE ADDRESS POINTER REGISTER ALERT STATUS REGISTER THERM MASK REGISTERS FAULT QUEUE SCL SDA 8 3 14 7 FAN_FAULT ALERT p SMBus ALERT THERM TEMPERATURE-TOFAN-SPEED LOOK-UP TABLE DRIVE 1 FAN SPEED CONTROLLER FAN RESPONSE LIMIT PARATOR TACH 2 NC 4 TACH SIGNAL CONDITIONING FAN SPEED COUNTER VALUE AND LIMIT REGISTERS THERM PERCENT TIMER REF 8 LOCATION 13 D- FAULT QUEUE HYSTERESIS REGISTERS ANALOG MULTIPLEXER SRC BLOCK BAND GAP REFERENCE BAND GAP TEMPERATURE SENSOR ADC OFFSET REGISTERS CONVERSION RATE REGISTER CONFIGURATION REGISTERS D+ 10 NC 11 NC 12 NC = NO CONNECT Figure 1. Rev. 0 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 that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective...