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Part Number: ADM1033
Description: The ADM1033 is a remote and local temperature sensor and fancontroller. Its remote channel accur...
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ADM1033
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DataSheet
General Description
ADM1033 General Description
The ADM1033 is a remote and local temperature sensor and fan controller. Its remote channel accurately monitors the temperature of a remote thermal diode, which can be a discrete 2N3904/6 or located on a microprocessor die. The device can monitor its own ambient temperature as well.
The ADM1033 is also used to monitor and control the speed of a cooling fan. The user can program a target fan speed, or use the look-up table to input a temperature-to-fan speed profile. The look-up table can be configured to run the fan at discrete speeds (discrete mode) or to ramp the fan speed with temperature (linear mode). The ADM1033 communicates over a 2-wire SMBus 2.0 interface. An 8-level LOCATION input allows the user to choose between SMBus 1.1 and SMBus 2.0.
ADM1033 Maximum Ratings
Parameter Value
Positive Supply Voltage (VCC) −0.3 V to +6.5 V
Voltage on Any Input or Output Pin except −0.3 V to +6.5 V
Voltage on LOCATION VCC + 0.3V
Input Current at Any Pin ±20 mA
Maximum Junction Temperature (TJmax) 150°C
Storage Temperature Range −65°C to +150°C
Lead Temperature, Soldering (10 sec) 300°C
IR Reflow Peak Temperature 220°C
ESD Rating-All Pins 1500 V
Positive Supply Voltage (VCC) −0.3 V to +6.5 V
Voltage on Any Input or Output Pin except −0.3 V to +6.5 V
Voltage on LOCATION VCC + 0.3V
Input Current at Any Pin ±20 mA
Maximum Junction Temperature (TJmax) 150°C
Storage Temperature Range −65°C to +150°C
Lead Temperature, Soldering (10 sec) 300°C
IR Reflow Peak Temperature 220°C
ESD Rating-All Pins 1500 V
ADM1033 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 compliant
SMBus address input/LOCATION input to UDID
Programmable over-/undertemperature limits
Programmable fault queue
Fail-safe overtemperature comparator output
Fan speed (RPM) controller
±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 compliant
SMBus address input/LOCATION input to UDID
Programmable over-/undertemperature limits
Programmable fault queue
Fail-safe overtemperature comparator output
Fan speed (RPM) controller
ADM1033 Typical Application
Desktop and notebook PCs
Embedded systems
Telecommunications equipment
LCD projectors
Embedded systems
Telecommunications equipment
LCD projectors
ADM1033 Connection Diagram
ADM1033
PDF/DataSheet Download
- Datasheet: ADM1033
- File Size: 1192139 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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