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參數(shù)資料
| 型號： | TCN75 |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 2-Wire Serial Temperature Sensor and Thermal Monitor(2線串行溫度傳感器和熱監(jiān)控器) |
| 中文描述： | 2線串行溫度傳感器和溫度監(jiān)視器（2線串行溫度傳感器和熱監(jiān)控器） |
| 文件頁數(shù)： | 8/18頁 |
| 文件大小： | 468K |
| 代理商： | TCN75 |
TCN75
DS21490B-page 8
2002 Microchip Technology Inc.
4.3.1
ADDRESS BYTE
Immediately following the START condition, the host
must next transmit the address byte to the TCN75. The
four Most Significant bits of the Address Byte (A6, A5,
A4, A3) are fixed to 1001(B). The states of A2, A1 and
A0 in the serial bit stream must match the states of the
A2, A1 and A0 address inputs for the TCN75 to
respond with an Acknowledge (indicating the TCN75 is
on the bus and ready to accept data). The eighth bit in
the Address Byte is a Read/Write Bit. This bit is a ‘1’ for
a read operation or ‘0’ for a write operation.
4.3.2
ACKNOWLEDGE (ACK)
Acknowledge (ACK) provides a positive handshake
between the host and the TCN75. The host releases
SDA after transmitting eight bits then generates a ninth
clock cycle to allow the TCN75 to pull the SDA line
LOW to acknowledge that it successfully received the
previous eight bits of data or address.
4.3.3
DATA BYTE
After a successful ACK of the address byte, the host
must next transmit the data byte to be written or clock
out the data to be read. (See the appropriate timing
diagrams.) ACK will be generated after a successful
write of a data byte into the TCN75.
4.3.4
STOP CONDITION (STOP)
Communications must be terminated by a STOP
condition (a LOW to HIGH transition of SDA while SCL
is HIGH). The STOP condition must be communicated
by the transmitter to the TCN75.
4.3.5
POWER SUPPLY
To minimize temperature measurement error, the
TCN75-3.3MOA and TCN75-3.3MUA are factory cali-
brated at a supply voltage of 3.3V ±5% and the TCN75-
5.0MOA and TCN75-5.0MUA are factory calibrated at
a supply voltage of 5V ±5%. Either device is fully
operational over the power supply voltage range of
2.7V to 5.5V, but with a lower measurement accuracy.
The typical value of this power supply-related error is
±2°C.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TCN75_13 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:2-Wire Serial Temperature Sensor and Thermal Monitor |
| TCN75-3.3MOA | 功能描述:板上安裝溫度傳感器 2-Wire 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TCN75-3.3MOA713 | 功能描述:板上安裝溫度傳感器 2-Wire 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TCN75-3.3MOA713G | 功能描述:板上安裝溫度傳感器 2-Wire 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| TCN75-3.3MOAG | 功能描述:板上安裝溫度傳感器 2-Wire 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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