參數(shù)資料
型號(hào)： ADT7461AARMZ-R
廠商： ON Semiconductor
文件頁(yè)數(shù)： 12/19頁(yè)
文件大?。?/td> 294K
描述： IC TEMP SENSOR DGTL 2CH 8-MSOP
產(chǎn)品變化通告： MFG CHG Notification ADI to ON Semi
標(biāo)準(zhǔn)包裝： 3,000
功能： 溫度監(jiān)控系統(tǒng)（傳感器）
傳感器類(lèi)型： 內(nèi)部和外部
感應(yīng)溫度： 0°C ~ 127°C，-55°C ~ 150°C
精確度： ±3°C
拓?fù)洌?/td> ADC，比較器，多路復(fù)用器，寄存器庫(kù)
輸出類(lèi)型： 2 線 SMBus?
輸出警報(bào)： 是
輸出風(fēng)扇： 是
電源電壓： 3 V ~ 5.5 V
工作溫度： -40°C ~ 120°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： Micro8?
包裝： 帶卷 (TR)
ADT7461A
http://onsemi.com
12
Table 14. LIST OF REGISTERS
Read Address (Hex)
Write Address (Hex)
Name
Power-On Default
Not Applicable
Not Applicable
Address Pointer
Undefined
00
Not Applicable
Local Temperature Value
0000 0000 (0x00)
01
Not Applicable
External Temperature Value High Byte
0000 0000 (0x00)
02
Not Applicable
Status
Undefined
03
09
Configuration
0000 0000 (0x00)
04
0A
Conversion Rate
0000 1000 (0x08)
05
0B
Local Temperature High Limit
0101 0101 (0x55) (85癈)
06
0C
Local Temperature Low Limit
0000 0000 (0x00) (0癈)
07
0D
External Temperature High Limit High Byte
0101 0101 (0x55) (85癈)
08
0E
External Temperature Low Limit High Byte
0000 0000 (0x00) (0癈)
Not Applicable
0F (Note 1)
One-Shot
10
Not Applicable
External Temperature Value Low Byte
0000 0000
11
11
External Temperature Offset High Byte
0000 0000
12
12
External Temperature Offset Low Byte
0000 0000
13
13
External Temperature High Limit Low Byte
0000 0000
14
14
External Temperature Low Limit Low Byte
0000 0000
19
19
External THERM
 Limit
0101 0101 (0x55) (85癈)
20
20
Local THERM
 Limit
0101 0101 (0x55) (85癈)
21
21
THERM
 Hysteresis
0000 1010 (0x0A) (10癈)
22
22
Consecutive ALERT
0000 0001 (0x01)
FE
Not Applicable
Manufacturer ID
0100 0001 (0x41)
FF
Not Applicable
Die Revision Code
0101 0111 (0x57)
1.  Writing to Address 0x0F causes the ADT7461A to perform a single measurement. It is not a data register, and it does not matter what data
is written to it.
Serial Bus Interface
Control of the ADT7461A is carried out via the serial bus.
The ADT7461A is connected to this bus as a slave device,
under the control of a master device.
The ADT7461A has an SMBus timeout feature. When
this is enabled, the SMBus times out after typically 25 ms of
no activity. However, this feature is not enabled by default.
Bit 7 of the consecutive alert register (Address = 0x22)
should be set to enable it.
Addressing the Device
In general, every SMBus device has a 7-bit device
address, except for some devices that have extended 10-bit
addresses. When the master device sends a device address
over the bus, the slave device with that address responds.
The ADT7461Ais available with one device address, 0x4C
(1001 100b). An ADT7461A2 is also available.
The ADT7461A2 has an SMBus address of 0x4D
(1001 101b). This is to allow two ADT7461A devices on the
same bus, or if the default address conflicts with an existing
device on the SMBus. The serial bus protocol operates as
follows:
1. The master initiates a data transfer by establishing
a start condition, defined as a high-to-low
transition on SDATA, the serial data line, while
SCLK, the serial clock line, remains high. This
indicates that an address/data stream follows. All
slave peripherals connected to the serial bus
respond to the start condition and shift in the next
eight bits, consisting of a 7-bit address (MSB first)
plus an R/W
 bit, which determines the direction of
the data transfer, that is, whether data is written to,
or read from, the slave device. The peripheral
whose address corresponds to the transmitted
address responds by pulling the data line low
during the low period before the ninth clock pulse,
known as the acknowledge bit. All other devices
on the bus remain idle while the selected device
waits for data to be read from or written to it. If the
R/W
 bit is a 0, the master writes to the slave
device. If the R/W
 bit is a 1, the master reads from
the slave device.
2. Data is sent over the serial bus in a sequence of
nine clock pulses, eight bits of data followed by an
acknowledge bit from the slave device. Transitions
on the data line must occur during the low period
of the clock signal and remain stable during the
high period, since a low-to-high transition when
the clock is high can be interpreted as a stop
signal. The number of data bytes that can be
transmitted over the serial bus in a single read or
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADT7461AARMZ-REEL 功能描述:IC SENSOR TEMP DGTL 2CH 8-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6
ADT7461AARMZ-REEL7 功能描述:IC SENSOR TEMP DGTL 2CH 8-MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6
ADT7461AARMZ-RL7 功能描述:板上安裝溫度傳感器 1 TMP DIO MON W/SMBUS ITF RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
ADT7461AEBZEVB 功能描述:BOARD EVAL FOR ADT7461 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 過(guò)時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類(lèi)型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP
ADT7461AR 功能描述:IC TEMP MONITOR +/-1C DUAL 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類(lèi)型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫(kù) 輸出類(lèi)型:2 線 SMBus? 輸出警報(bào):無(wú) 輸出風(fēng)扇:無(wú) 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱(chēng):296-22675-6
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