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参数资料
| 型号： | ADM1023 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | LJT 6C 6#12 PIN PLUG |
| 中文描述： | 符合ACPI的高精度微处理器系统温度监控 |
| 文件页数： | 1/12页 |
| 文件大小： | 170K |
| 代理商： | ADM1023 |
REV. A
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADM1023
*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
FUNCTIONAL BLOCK DIAGRAM
ACPI-Compliant
High-Accuracy Microprocessor
System Temperature Monitor
FEATURES
Next Generation Upgrade to ADM1021
On-Chip and Remote Temperature Sensing
Offset Registers for System Calibration
1 C Accuracy and Resolution on Local Channel
0.125 C Resolution/1 C Accuracy on Remote Channel
Programmable Over/Under Temperature Limits
Programmable Conversion Rate
Supports System Management Bus (SMBus) Alert
2-Wire SMBus Serial Interface
200 A Max Operating Current (0.25 Conversions/
Seconds)
1 A Standby Current
3 V to 5.5 V Supply
Small 16-Lead QSOP Package
APPLICATIONS
Desktop Computers
Notebook Computers
Smart Batteries
Industrial Controllers
Telecomms Equipment
Instrumentation
PRODUCT DESCRIPTION
The ADM1023 is a two-channel digital thermometer and under/
over temperature alarm, intended for use in personal computers
and other systems requiring thermal monitoring and management.
Optimized for the Pentium
III; the higher accuracy offered
allows systems designers to safely reduce temperature guard
banding and increase system performance. The device can
measure the temperature of a microprocessor using a diode-con-
nected PNP transistor, which may be provided on-chip in the
case of the Pentium
III or similar processors, or can be a low
cost discrete NPN/PNP device such as the 2N3904/2N3906.
A novel measurement technique cancels out the absolute value
of the transistor’s base emitter voltage, so that no calibration
is required. The second measurement channel measures the
output of an on-chip temperature sensor, to monitor the tem-
perature of the device and its environment.
The ADM1023 communicates over a 2-wire serial interface
compatible with SMBus
standards. Under and over tempera-
ture limits can be programmed into the device over the serial
bus, and an
ALERT
output signals when the on-chip or remote
temperature is out of range. This output can be used as an
interrupt, or as an SMBus alert.
*
Patents pending.
Pentium is a registered trademark of Intel Corporation.
ON-CHIP
TEMPERATURE
SENSOR
A-TO-D
CONVERTER
BUSY
RUN/STANDBY
EXTERNAL DIODE OPEN-CIRCUIT
ADDRESS POINTER
REGISTER
ONE-SHOT
REGISTER
CONVERSION RATE
REGISTER
OFFSET
REGISTERS
REMOTE TEMPERATURE
HIGH-LIMIT REGISTERS
CONFIGURATION
REGISTER
INTERRUPT
MASKING
SMBUS INTERFACE
LOCAL TEMPERATURE
LOW-LIMIT COMPARATOR
LOCAL TEMPERATURE
HIGH-LIMIT COMPARATOR
REMOTE TEMPERATURE
LOW-LIMIT COMPARATOR
REMOTE TEMPERATURE
HIGH-LIMIT COMPARATOR
REMOTE TEMPERATURE
VALUE REGISTERS
LOCAL TEMPERATURE
VALUE REGISTER
STATUS REGISTER
NC
V
DD
GND
NC
GND
NC
NC
NC
SDATA
SCLK
ADD0
ADD1
ALERT
STBY
D+
D–
REMOTE TEMPERATURE
LOW-LIMIT REGISTERS
LOCAL TEMPERATURE
HIGH-LIMIT REGISTER
LOCAL TEMPERATURE
LOW-LIMIT REGISTER
ANALOG
MUX
NC = NO CONNECT
ADM1023
相关PDF资料 |
PDF描述 |
|---|---|
| ADM1023ARQ | ACPI-Compliant High-Accuracy Microprocessor System Temperature Monitor |
| ADM1024 | System Hardware Monitor with Remote Diode Thermal Sensing |
| ADM1024ARU | Circular Connector; No. of Contacts:8; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:17-8 |
| ADM1025 | Circular Connector; No. of Contacts:8; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:17-8 |
| ADM1025A | Circular Connector; No. of Contacts:8; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:17; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:17-8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM102-33/12VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM102-33/24VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM102-33/48VDC | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| ADM1023ARQ | 功能描述:IC SENSOR TEMP PREC DUAL 16QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
| ADM1023ARQ-REEL | 功能描述:IC SENSOR TEMP PREC DUAL 16QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
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