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| 型号： | ADT7484AARZ-RL7 |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/14页 |
| 文件大小： | 369K |
| 描述： | IC TEMP SENSOR DGTL W/SST 8-SOIC |
| 产品变化通告： | MFG CHG Notification ADI to ON Semi Product Discontinuation 30/Sept/2011 |
| 标准包装： | 1,000 |
| 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： | ±1.75°C（最小值） |
| 拓扑： | ADC，多路复用器，寄存器库 |
| 输出类型： | Simple Serial Transport?（SST） |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 125°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： | 带卷 (TR) |
ADT7484A/ADT7486A
http://onsemi.com
7
Product Description
The ADT7484A is a single remote temperature sensor,
and the ADT7486A is a dual temperature sensor for use in
PC applications. The ADT7484A/ADT7486A accurately
measure local and remote temperature and communicate
over a one-wire Simple Serial Transport (SST) bus interface.
SST Interface
Simple Serial Transport (SST) is a one-wire serial bus and
a communications protocol between components intended
for use in personal computers, personal handheld devices, or
other industrial sensor nets. The ADT7484A/ADT7486A
support SST specification Rev 1.
SST is a licensable bus technology from Analog Devices,
Inc., and Intel Corporation. To inquire about obtaining a
copy of the Simple Serial Transport Specification or an SST
technology license, please email Analog Devices, at
sst_licensing@analog.com or write to Analog Devices,
3550 North First Street, San Jose, CA 95134, Attention:
SST Licensing, M/S B7-24.
ADT7484A/ADT7486A Client Address
The client address for the ADT7484A/ADT7486A is
selected using the address pin. The address pin is connected
to a float detection circuit, which allows the ADT7484A/
ADT7486A to distinguish between three input states: high,
low (GND), and floating. The address range for fixed
address, discoverable devices is 0x48 to 0x50.
Table 6. ADT7484A/ADT7486A SELECTABLE
ADDRESSES
ADD1
ADD0
Address
Selected
Low (GND)
Low (GND)
0x48
Low (GND)
Float
0x49
Low (GND)
High
0x4A
Float
Low (GND)
0x4B
Float
Float
0x4C
Float
High
0x4D
High
Low (GND)
0x4E
High
Float
0x4F
High
High
0x50
Command Summary
Table 7 summarizes the commands supported by the
ADT7484A/ADT7486A devices when directed at the target
address selected by the fixed address pins. It contains the
command name, command code (CC), write data length
(WL), read data length (RL), and a brief description.
Table 7. COMMAND CODE SUMMARY
Command
Command
Code, CC
Write Length,
WL
Read Length, RL
Description
Ping()
0x00
0x00
0x00
Shows a nonzero FCS over the header if present.
GetIntTemp()
0x00
0x01
0x02
Shows the temperature of the devices internal thermal
diode.
GetExt1Temp()
0x01
0x01
0x02
Shows the temperature of External Thermal Diode 1.
GetExt2Temp()
0x02
0x01
0x02
Shows the temperature of External Thermal Diode 2
(ADT7486A only).
GetAllTemps()
0x00
0x01
0x04 (ADT7484A)
0x06 (ADT7486A)
Shows a 4- or 6-byte block of data (ADT7484A:
GetIntTemp, GetExt1Temp; ADT7486A: GetIntTemp,
GetExt1Temp, GetExt2Temp).
SetExt1Offset()
0xe0
0x03
0x00
Sets the offset used to correct errors in External Diode 1.
GetExt1Offset()
0xe0
0x01
0x02
Shows the offset that the device is using to correct errors
in External Diode 1.
SetExt2Offset()
0xe1
0x03
0x00
Sets the offset used to correct errors in External Diode 2
(ADT7486A only).
GetExt2Offset()
0xe1
0x01
0x02
Shows the offset that the device is using to correct errors
in External Diode 2 (ADT7486A only).
ResetDevice()
0xf6
0x01
0x00
Functional reset. The ADT7484A/ADT7486A also
respond to this command when directed to the Target
Address 0x00.
GetDIB()
0xf7
0xf7
0x01
0x01
0x08
0x10
Shows information used by SW to identify the devices
capabilities. Can be in 8- or 16-byte format.
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相关代理商/技术参数 |
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|---|---|
| ADT7484ARMZ-REEL | 功能描述:板上安装温度传感器 DIGITAL TEMP SENSOR W/SST INTERFACE 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 |
| ADT7484ARMZ-REEL7 | 功能描述:IC TEMP SENSOR DGTL SST 8MSOP RoHS:是 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 |
| ADT7484ARMZ-RL7 | 功能描述:板上安装温度传感器 DIGITAL TEMP SENSOR W/SST INTERFACE 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 |
| ADT7485A | 制造商:AD 制造商全称:Analog Devices 功能描述:SST Digital Temperature Sensor and Voltage Monitor |
| ADT7485AARMZ | 制造商: 功能描述: 制造商:undefined 功能描述: |
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