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| 型号： | ADT7461ARZ |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/20页 |
| 文件大小： | 268K |
| 描述： | IC TEMP MONITOR +/-1C DUAL 8SOIC |
| 产品变化通告： | MFG CHG Notification ADI to ON Semi Product Discontinuation 30/Sept/2011 |
| 标准包装： | 98 |
| 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： | 0°C ~ 127°C，-55°C ~ 150°C |
| 精确度： | ±3°C |
| 拓扑： | ADC，比较器，多路复用器，寄存器库 |
| 输出类型： | 2 线 SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 120°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 管件 |
| 产品目录页面： | 1129 (CN2011-ZH PDF) |
?Semiconductor Components Industries, LLC, 2014
March, 2014 Rev. 8
1
Publication Order Number:
ADT7461/D
ADT7461
+15C Temperature Monitor
with Series Resistance
Cancellation
The ADT7461 is a dual-channel digital thermometer and under/over
temperature alarm intended for use in PCs and thermal management
systems. It is pin- and register-compatible with the ADM1032. The
ADT7461 has three additional features: series resistance cancellation
(where up to 3 kW (typical) of resistance in series with the temperature
monitoring diode may be automatically cancelled from the temperature
result, allowing noise filtering); configurable ALERT
output; and an
extended, switchable temperature measurement range. The ADT7461
can accurately measure the temperature of a remote thermal diode to
?癈 and the ambient temperature to ?癈. The temperature
measurement range defaults to 0癈 to +127癈, compatible with the
ADM1032, but can be switched to a wider measurement range of 55癈
to +150癈. The ADT7461 communicates over a 2-wire serial interface
compatible with system management bus (SMBus) standards. An
ALERT
output signals when the on-chip 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.
The SMBus address of the ADT7461 is 0x4C. An ADT7461-2 is also
available, which uses SMBus Address 0x4D.
Features
" On-Chip and Remote Temperature Sensor
" 0.25?/SPAN>C Resolution/1?/SPAN>C Accuracy on Remote Channel
" 1?/SPAN>C Resolution/3?/SPAN>C Accuracy on Local Channel
" Automatically Cancels Up to 3 kW (Typ) of Resistance in Series with
Remote Diode to Allow Noise Filtering
" Extended, Switchable Temperature Measurement Range
0癈 to +127癈 (Default) or 55癈 to +150癈
" Pin- and Register-Compatible with the ADM1032
" 2-wire SMBus Serial Interface with SMBus Alert Support
" Two SMBus Address Versions Available:
f ADT7461 SMBus Address is 0x4C
f ADT7461-2 SMBus Address is 0x4D
" Programmable Over/Undertemperature Limits
" Offset Registers for System Calibration
" Up to Two Overtemperature FailSafe THERM
Outputs
" Small 8-lead SOIC NB or 8-lead MSOP Packages
" 170 mA Operating Current, 5.5 mA Standby Current
" These are Pb-Free Devices*
Applications
" Desktop and Notebook Computers
" Industrial Controllers
" Smart Batteries
" Embedded Systems
" Instrumentation
* For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
MARKING DIAGRAMS
http://onsemi.com
PIN ASSIGNMENT
SOIC8 NB
CASE 751
ADT74
61A
#YWW
1
8
ADT7461A = Specific Device Code
#
= Pb-Free Package
Y
= Year
W
= Work Week
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
ORDERING INFORMATION
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)
1
8
T1x
AYWG
G
MSOP8
CASE 846AB
(Top View)
SCLK
SDATA
ALERT
/THERM2
GND
D+
D
THERM
V
DD
8
7
6
5
1
2
3
4
SOIC8
MSOP8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADT7461ARZ | 制造商:ON Semiconductor 功能描述:TEMPERATURE SENSOR IC |
| ADT7461ARZ-REEL | 功能描述:板上安装温度传感器 1C TDM TMP RNG IC RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| ADT7461ARZ-REEL7 | 功能描述:板上安装温度传感器 1C TDM TMP RNG IC RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| ADT7462 | 制造商:AD 制造商全称:Analog Devices 功能描述:Flexible Temperature and Voltage Monitor and System Fan Controller |
| ADT7462ACPZ-500RL7 | 制造商:AD 制造商全称:Analog Devices 功能描述:Flexible Temperature and Voltage Monitor and System Fan Controller |
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