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参数资料
| 型号： | ADT7481ARMZ-1RL |
| 厂商： | ON Semiconductor |
| 文件页数： | 12/20页 |
| 文件大小： | 237K |
| 描述： | IC SENSOR TEMP 2CH ALARM 10MSOP |
| 产品变化通告： | MFG CHG Notification ADI to ON Semi |
| 标准包装： | 3,000 |
| 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 ~ 120°C，外部传感器 |
| 精确度： | ±2.5°C（最小值） |
| 拓扑： | ADC，比较器，多路复用器，寄存器库 |
| 输出类型： | SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 120°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | ADT7481ARMZ-1REEL ADT7481ARMZ-1REEL-ND |
ADT7481
http://onsemi.com
12
Consecutive ALERT
Register
The value written to this register determines how many
out-of-limit measurements must occur before an ALERT
is
generated. The default value is that one out-of-limit
measurement generates an ALERT
. The maximum value
that can be chosen is 4.
The purpose of this register is to allow the user to perform
some filtering of the output. This is particularly useful at the
fastest three conversion rates, where no averaging takes
place. This register is at Address 0x22. This register has
other functions that are listed in Table 15.
Table 15. CONSECUTIVE ALERT
REGISTER BIT
Bit
Name
Description
7
SCL
Timeout
Set to 1, enables the SMBus SCL
timeout bit. Default = 0 = Timeout
disabled. See the Serial Bus Interface
section for more information.
6
SDA
Timeout
Set to 1 to enable the SMBus SDA
Timeout Bit. Default = 0 = Timeout
disabled. See the Serial Bus Interface
section for more information.
5
Mask Local
Setting this bit to 1 masks ALERT
s
due to the local temperature
exceeding a programmed limit.
Default = 0.
4
Res
Reserved for future use.
<3:0>
Consecutive
ALERT
These bits set the number of
consecutive out-of-limit
measurements that have to occur
before an ALERT
is generated.
000x = 1
001x = 2
011x = 3
111x = 4
Table 16. LIST OF REGISTERS
Read
Address
(Hex)
Write
Address
(Hex)
Mnemonic
Power-On Default
Comment
Lock
N/A
N/A
Address Pointer
Undefined
No
00
N/A
Local Temperature Value
0000 0000 (0x00)
No
01
N/A
Remote 1 Temperature Value High Byte
0000 0000 (0x00)
Bit 3 Conf Reg = 0
No
01
N/A
Remote 2 Temperature Value High Byte
0000 0000 (0x00)
Bit 3 Conf Reg = 1
No
02
N/A
Status Register 1
Undefined
No
03
09
Configuration Register 1
0000 0000 (0x00)
Yes
04
0A
Conversion Rate/Channel Selector
0000 0111 (0x07)
Yes
05
0B
Local Temperature High Limit
0101 0101 (0x55) (85癈)
Yes
06
0C
Local Temperature Low Limit
0000 0000 (0x00) (0癈)
Yes
07
0D
Remote 1 Temp High Limit High Byte
0101 0101 (0x55) (85癈)
Bit 3 Conf Reg = 0
Yes
07
0D
Remote 2 Temp High Limit High Byte
0101 0101 (0x55) (85癈)
Bit 3 Conf Reg = 1
Yes
08
0E
Remote 1 Temp Low Limit High Byte
0000 0000 (0x00) (0癈)
Bit 3 Conf Reg = 0
Yes
08
0E
Remote 2 Temp Low Limit High Byte
0000 0000 (0x00) (0癈)
Bit 3 Conf Reg = 1
Yes
N/A
0F
(Note 1)
One-Shot
N/A
10
N/A
Remote 1 Temperature Value Low Byte
0000 0000
Bit 3 Conf Reg = 0
No
10
N/A
Remote 2 Temperature Value Low Byte
0000 0000
Bit 3 Conf Reg = 1
No
11
11
Remote 1 Temperature Offset High Byte
0000 0000
Bit 3 Conf Reg = 0
Yes
11
11
Remote 2 Temperature Offset High Byte
0000 0000
Bit 3 Conf Reg = 1
Yes
12
12
Remote 1 Temperature Offset Low Byte
0000 0000
Bit 3 Conf Reg = 0
Yes
12
12
Remote 2 Temperature Offset Low Byte
0000 0000
Bit 3 Conf Reg = 1
Yes
13
13
Remote 1 Temp High Limit Low Byte
0000 0000
Bit 3 Conf Reg = 0
Yes
13
13
Remote 2 Temp High Limit Low Byte
0000 0000
Bit 3 Conf Reg = 1
Yes
14
14
Remote 1 Temp Low Limit Low Byte
0000 0000
Bit 3 Conf Reg = 0
Yes
14
14
Remote 2 Temp Low Limit Low Byte
0000 0000
Bit 3 Conf Reg = 1
Yes
19
19
Remote 1 THERM
Limit
0101 0101 (0x55) (85癈)
Bit 3 Conf Reg = 0
Yes
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相关代理商/技术参数 |
参数描述 |
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| ADT7481ARMZ-R7 | 功能描述:板上安装温度传感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE 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 |
| ADT7481ARMZ-REEL | 功能描述:板上安装温度传感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE 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 |
| ADT7481ARMZ-REEL7 | 功能描述:IC SENSOR TEMP 2CH ALARM 10MSOP 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 |
| ADT7481EBZEVB | 功能描述:EVALUATION BOARD ADT7481 制造商:on semiconductor 系列:* 零件状态:在售 标准包装:1 |
| ADT7482 | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual Channel Temperature Sensor and Overtemperature Alarm |
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