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ADM1032ARMZ-002 参数 Datasheet PDF下载

ADM1032ARMZ-002图片预览
型号: ADM1032ARMZ-002
PDF下载: 下载PDF文件 查看货源
内容描述: ± 1 ℃的远程和本地系统温度监控 [±1℃ Remote and Local System Temperature Monitor]
分类和应用: 模拟IC信号电路光电二极管监控
文件页数/大小: 18 页 / 199 K
品牌: ONSEMI [ ON SEMICONDUCTOR ]
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ADM1032
+15C
Remote and Local
System Temperature Monitor
The ADM1032 is a dual−channel digital thermometer and
under/overtemperature alarm intended for use in PCs and thermal
management systems. The device can measure the temperature of a
remote thermal diode, which can be located on the processor die or can
be a discrete device (2N3904/06), accurate to 1°C. A novel
measurement technique cancels out the absolute value of the
transistor’s base emitter voltage so that no calibration is required. The
ADM1032 also measures its ambient temperature.
The ADM1032 communicates over a 2−wire serial interface
compatible with System Management Bus (SMBus) standards.
Under/overtemperature limits can be programmed into the device over
the SMBus, and an ALERT output signals when the on−chip or remote
temperature measurement is out of range. This output can be used as
an interrupt or as a SMBus alert. The THERM output is a comparator
output that allows CPU clock throttling or on/off control of a cooling
fan. An ADM1032−1 and ADM1032−2 are available. The difference
between the ADM1032 and the ADM1032−1 is the default value of
the external THERM limit. The ADM1032−2 has a different SMBus
address. The SMBus address of the ADM1032−2 is 0x4D.
Features
http://onsemi.com
MARKING
DIAGRAMS
8
1
SOIC−8
CASE 751
1
Marking #1
#
Y
W
XX
1032AR
#YWW
XXXX
1
Marking #2
8
1032AR
01
#YWW
= Pb−Free Package
= Year
= Work Week
= Assembly Lot
8
On−Chip and Remote Temperature Sensing
Offset Registers for System Calibration
0.125°C Resolution/1°C Accuracy on Remote Channel
1°C Resolution/3°C Accuracy on Local Channel
Fast (Up to 64 Measurements Per Second)
2−Wire SMBus Serial Interface
Supports SMBus Alert
Programmable Under/Overtemperature Limits
Programmable Fault Queue
Overtemperature Fail−Safe THERM Output
Programmable THERM Limits
Programmable THERM Hysteresis
170
mA
Operating Current
5.5
mA
Standby Current
3.0 V to 5.5 V Supply
Small 8−Lead SOIC and MSOP Packages
These are Pb−Free Devices
Desktop and Notebook Computers
Smart Batteries
Industrial Controllers
Telecommunications Equipment
Instrumentation
Embedded Systems
1
1
MSOP−8
CASE 846AB
1
T1x
AYWG
G
T1x = Refer to Order Info Table
A
= Assembly Location
Y
= Year
W = Work Week
G
= Pb−Free Package
(Note: Microdot may be in either location)
PIN ASSIGNMENT
V
DD
D+
D–
THERM
1
2
3
4
8
7
6
5
SCLK
SDATA
ALERT
GND
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 16 of this data sheet.
Applications
©
Semiconductor Components Industries, LLC, 2009
December, 2009
Rev. 11
Publication Order Number:
ADM1032/D