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参数资料
型号： ADM1033ARQZ
厂商： Analog Devices, Inc.
英文描述： Thermal Monitor and Fan Speed (RPM) Controller
中文描述： 热监测和风扇转速（RPM）控制器
文件页数： 1/40页
文件大小： 1164K
代理商： ADM1033ARQZ
Thermal Monitor and
Fan Speed (RPM) Controller
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 k
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
SMBusALERT output
Fail-safe overtemperature comparator output
Fan speed (RPM) controller
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 owners.
Tel: 781.329.4700
Fax: 781.326.8703
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
Telecommunications equipment
LCD projectors
FUNCTIONAL BLOCK DIAGRAM
ALERT Comp
ANALOG
MULTIPLEXER
TACH
SMBusALERT
THERM
SDA
SCL
GND
V
CC
DRIVE
ADM1033
NC
LOCATION
SMBUS
ADDRESS
MASK
REGISTERS
FAULT
QUEUE
THERM PERCENT
TIMER
FAULT
QUEUE
HYSTERESIS
REGISTERS
OFFSET
REGISTERS
CONVERSION
RATE REGISTER
CONFIGURATION
REGISTERS
BAND GAP
REFERENCE
BAND GAP
TEMPERATURE
SENSOR
SRC
BLOCK
FAN
SPEED
COUNTER
TEMPERATURE-TO-
FAN-SPEED
LOOK-UP TABLE
MANUAL FAN
SPEED CONTROL
REGISTERS
FAN RESPONSE
TACH SIGNAL
CONDITIONING
FAN SPEED
CONTROLLER
ADC
LIMIT
COMPARATOR
VALUE AND
LIMIT
REGISTERS
STATUS
REGISTER
SERIAL BUS
INTERFACE
ADDRESS
POINTER
REGISTER
NC
NC
D–
D+
FAN_FAULT
REF
ALERT
THERM
15
8
14
7
16
6
5
12
11
10
9
8
4
2
1
13
3
0
NC = NO CONNECT
Figure 1.
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