參數(shù)資料
型號： DS18S20
廠商： DALLAS SEMICONDUCTOR
元件分類： 溫度/濕度傳感器
英文描述： High Precision 1-Wire Digital Thermometer(高精度1線數(shù)字溫度計)
中文描述： DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, ROUND, THROUGH HOLE MOUNT
封裝： TO-92, 3 PIN
文件頁數(shù)： 11/21頁
文件大?。?/td> 150K
代理商： DS18S20
DS18S20
11 of 21
DS18S20 FUNCTION COMMAND SET
Table 4
Command
Description
TEMPERATURE CONVERSION COMMANDS
Convert T
Initiates temperature
conversion.
Protocol
1-Wire Bus Activity
After Command is Issued
Notes
44h
DS18S20 transmits conversion
status to master (not applicable
for parasite-powered DS18S20s).
1
MEMORY COMMANDS
Read Scratchpad Reads the entire scratchpad
including the CRC byte.
Write Scratchpad Writes data into scratchpad
bytes 2 and 3 (T
H
and T
L
).
Copy Scratchpad Copies T
H
and T
L
data from
the scratchpad to EEPROM.
Recall E
2
Recalls T
H
and T
L
data from
EEPROM to the scratchpad.
Read Power
Supply
supply mode to the master.
NOTES:
1. For parasite-powered DS18S20s, the master must enable a strong pullup on the 1-wire bus during
temperature conversions and copies from the scratchpad to EEPROM. No other bus activity may take
place during this time.
2. The master can interrupt the transmission of data at any time by issuing a reset.
3. Both bytes must be written before a reset is issued.
BEh
DS18S20 transmits up to 9 data
bytes to master.
Master transmits 2 data bytes to
DS18S20.
None
2
4Eh
3
48h
1
B8h
DS18S20 transmits recall status
to master.
DS18S20 transmits supply status
to master.
Signals DS18S20 power
B4h
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相關代理商/技術參數(shù)
參數(shù)描述
DS18S20/T&R 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI PREC TO-92
DS18S20/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(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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
DS18S20+ 功能描述:板上安裝溫度傳感器 Prgmble Resolution 1-Wire Parasite Pwr 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
DS18S20+PAR 功能描述:板上安裝溫度傳感器 Prgmble Resolution 1-Wire Parasite Pwr 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
DS18S20+T&R 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI-PREC TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr
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