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參數(shù)資料
| 型號： | NCT214MT3R2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC10 |
| 封裝： | 3 X 3 MM, 0.50 MM PITCH, LEAD FREE, WQFN-10 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 269K |
| 代理商： | NCT214MT3R2G |
Semiconductor Components Industries, LLC, 2010
September, 2010 Rev. P2
1
Publication Order Number:
NCT214/D
NCT214
Product Preview
+15C Temperature Monitor
with Series Resistance
Cancellation
The NCT214 is a dualchannel digital thermometer and
undertemperature/overtemperature alarm, intended for use in PCs and
thermal management systems. It is registercompatible with the
ADM1032 and ADT7461. A feature of the NCT214 is series resistance
cancellation, where up to 1.5 k
W (typical) of resistance in series with the
temperature monitoring diode can be automatically cancelled from the
temperature result, allowing noise filtering. The NCT214 has a
configurable ALERT output and an extended, switchable temperature
measurement range.
The NCT214 can measure the temperature of a remote thermal diode
accurate to
±1°C and the ambient temperature accurate to ±3°C. The
temperature measurement range defaults to 0
°C to +127°C, compatible
with the ADM1032, but it can be switched to a wider measurement
range of 64
°C to +191°C.
The NCT214 communicates over a 2wire serial interface,
compatible with system management bus (SMBus/I2C) standards. The
NCT214 has two address pins which allow up to 9 NCT214s to be used
on the same bus.
An ALERT output signals when the onchip or remote temperature is
out of range. The THERM output is a comparator output that allows
on/off control of a cooling fan. The ALERT output can be reconfigured
as a second THERM output, if required.
Features
OnChip and Remote Temperature Sensor
0.25°C Resolution/1°C Accuracy on Remote Channel
1°C Resolution/1°C Accuracy on Local Channel
Series Resistance Cancellation Up to 1.5 kW
Extended, Switchable Temperature Measurement Range
0
°C to +127°C (Default) or –64°C to +191°C
RegisterCompatible with ADM1032 and ADT7461
2Wire SMBus/I2C Serial Interface with SMBus Alert Support
Programmable Over/Undertemperature Limits
Offset Registers for System Calibration
Up to Two Overtemperature FailSafe THERM Outputs
240 mA Operating Current, 5 mA Standby Current
This is a PbFree Device
Applications
Desktop and Notebook Computers
Industrial Controllers
Smart Batteries
Automotive
Embedded Systems
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
MARKING DIAGRAM
http://onsemi.com
PIN ASSIGNMENT
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
ORDERING INFORMATION
WDFN10
M SUFFIX
CASE 522AA
XXXX
= Specific Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= PbFree Package
(Note: Microdot may be in either location)
XXXXX
ALYWG
G
(Top View)
ADD0
SCLK
SDATA
ALERT/THERM2
GND
ADD1
VDD
D+
D
THERM
1
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