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參數資料
| 型號： | ADT7481ARMZ-1RL |
| 廠商： | ON Semiconductor |
| 文件頁數： | 12/20頁 |
| 文件大小： | 237K |
| 描述： | IC SENSOR TEMP 2CH ALARM 10MSOP |
| 產品變化通告： | MFG CHG Notification ADI to ON Semi |
| 標準包裝： | 3,000 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -40°C ~ 120°C，外部傳感器 |
| 精確度： | ±2.5°C（最小值） |
| 拓撲： | ADC，比較器，多路復用器，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 120°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 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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| ADT7481ARMZ-R7 | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| ADT7481ARMZ-REEL | 功能描述:板上安裝溫度傳感器 2 CH TEMP SNSR/ALARM 2 WIRE SMBUS INTRFCE RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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| ADT7481EBZEVB | 功能描述:EVALUATION BOARD ADT7481 制造商:on semiconductor 系列:* 零件狀態:在售 標準包裝:1 |
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