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參數資料
| 型號： | DS1721U+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數： | 13/17頁 |
| 文件大?。?/td> | 257K |
| 描述： | IC THERMOMETER/STAT DIG HP 8USOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 3,000 |
| 功能： | 溫度計，恒溫計 |
| 傳感器類型： | 內部 |
| 感應溫度： | -55°C ~ 125°C |
| 精確度： | ±2°C（最小值） |
| 拓撲： | ADC，比較器，寄存器庫 |
| 輸出類型： | 2 線串行，I²C?/SMBUS? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
DS1721
13 of 17
SAMPLE COMMAND SEQUENCE Table 6
Example: Bus master programs the DS1721 for 11-bit conversions in the continuous mode with an active
low state for the thermostat output. It then programs TH=50癈 and TL=45癈 and starts temperature
conversions.
BUS MASTER
MODE
DS1721
MODE
DATA (MSB
FIRST)
COMMENTS
TX
RX
START
Bus Master initiates a START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W = 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
ACh
Bus Master sends access configuration protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
08h
Bus Master programs configuration register as
described above. This will also clear thermostat
flags
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master Initiates a REPEATED START
condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W = 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
A1h
Bus Master sends access TH protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
32h
Bus Master writes MSB of TH (50癈)
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
00h
Bus Master writes LSB of TH (50癈)
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a REPEATED START
condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W = 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
A2h
Bus Master sends access TL protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
2Dh
Bus Master writes MSB of TL (45癈)
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
00h
Bus Master writes LSB of TL (45癈)
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a REPEATED START
condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W = 0
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
51h
Bus Master sends start convert protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
STOP
Bus Master initiates STOP condition
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1722 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Digital Thermometer with SPI/3-Wire Interface |
| DS1722S | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat 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 |
| DS1722S/T&R | 制造商:Maxim Integrated Products 功能描述:SPI 3-WIRE THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-SOIC |
| DS1722S/T&R | 功能描述:板上安裝溫度傳感器 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 |
| DS1722S+ | 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat 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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