參數(shù)資料
型號： DS1620
元件分類： 溫度傳感器
英文描述： Digital Thermometer and Thermostat
中文描述： 數(shù)字溫度計和溫度監(jiān)控器
文件頁數(shù)： 3/13頁
文件大?。?/td> 539K
代理商： DS1620
DS1620
3 of 13
TEMPERATURE MEASURING CIRCUITRY
Figure 2
This calculation is done inside the DS1620 to provide 0.5
°
C resolution. The temperature reading is
provided in a 9–bit, two’s complement reading by issuing a READ TEMPERATURE command. Table 1
describes the exact relationship of output data to measured temperature. The data is transmitted serially
through the 3–wire serial interface, LSB first. The DS1620 can measure temperature over the range of
-55
°
C to +125
°
C in 0.5
°
C increments. For Fahrenheit usage, a lookup table or conversion factor must be
used.
TEMPERATURE/DATA RELATIONSHIPS
Table 1
TEMP
DIGITAL OUTPUT
(Binary)
+125°C
0 11111010
+25°C
0 00110010
+°C
0 00000001
+0°C
0 00000000
-°C
1 11111111
-25°C
1 11001110
-55°C
1 10010010
DIGITAL OUTPUT
(Hex)
00FA
0032h
0001h
0000h
01FFh
01CEh
0192h
Since data is transmitted over the 3–wire bus LSB first, temperature data can be written to/read from the
DS1620 as either a 9–bit word (taking
RST
low after the 9
th
(MSB) bit), or as two transfers of 8–bit
SLOPE ACCUMULATOR
PRESET
COMPARE
LOW TEMPERATURE
COEFFICIENT OSCILLATOR
COUNTER
PRESET
=0
TEMPERATURE REGISTER
HIGH TEMPERATURE
COEFFICIENT OSCILLATOR
COUNTER
=0
INC
STOP
SET/CLEAR
LSB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1620+ 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(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
DS1620-E2 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS1620K 功能描述:KIT DIGITAL THERMOMETER/STAT DIG RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時/停產(chǎn)零件編號 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型: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
DS1620R 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Self?Heating Temperature Sensor
DS1620S 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(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
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