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參數(shù)資料
| 型號： | DS1822-PAR |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 0.20Cel, ROUND, THROUGH HOLE MOUNT |
| 封裝： | TO-92, 3 PIN |
| 文件頁數(shù)： | 7/19頁 |
| 文件大小： | 138K |
| 代理商： | DS1822-PAR |
DS1822-PAR
15 of 19
resister. Output data from the DS1822-PAR is valid for 15
s after the falling edge that initiated the read
time slot. Therefore, the master must release the bus and then sample the bus state within 15
s from the
start of the slot.
Figure 13 illustrates that the sum of TINIT, TRC, and TSAMPLE must be less than 15
s for a read time slot.
Figure 14 shows that system timing margin is maximized by keeping TINIT and TRC as short as possible
and by locating the master sample time during read time slots towards the end of the 15
s period.
DETAILED MASTER READ 1 TIMING Figure 13
RECOMMENDED MASTER READ 1 TIMING Figure 14
RELATED APPLICATION NOTES
The following Application Notes can be applied to the DS1822-PAR. These notes can be obtained from
the Dallas Semiconductor “Application Note Book,” via the Dallas website at http://www.dalsemi.com/,
or through our faxback service at (214) 450–0441.
Application Note 27: “Understanding and Using Cyclic Redundancy Checks with Dallas Semiconductor
Touch Memory Product”
Application Note 55: “Extending the Contact Range of Touch Memories”
Application Note 74: “Reading and Writing Touch Memories via Serial Interfaces”
Application Note 104: “Minimalist Temperature Control Demo”
Application Note 106: “Complex MicroLANs”
Application Note 108: “MicroLAN – In the Long Run”
Sample 1-wire subroutines that can be used in conjunction with AN74 can be downloaded from the
Dallas website or anonymous FTP Site.
VPU
GND
1-WIRE BUS
15
s
VIH of Master
TRC
TINT > 1
s
Master samples
LINE TYPE LEGEND
Bus master pulling low
Resistor pullup
VPU
GND
1-WIRE BUS
15
s
VIH of Master
TRC =
small
TINT =
small
Master samples
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1822Z/T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| DS1822/T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| DS1822 | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| DS1822+T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| DS1822Z | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1822-PAR/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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS1822-PAR_07 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Econo 1-Wire Parasite-Power Digital Thermometer |
| DS1822-PAR+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 THERMOMETER ECONO DIG TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors 1-Wire Digital Thermometer |
| DS1822-PAR+T&R | 功能描述:板上安裝溫度傳感器 1-Wire Digital Thermometer 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(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| DS-18-22-RS | 制造商:TE Connectivity 功能描述:Red sealed splice terminal,0.5-1.5sq.mm |
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