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參數(shù)資料
| 型號(hào)： | DS1775R/TR3 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 9/13頁 |
| 文件大小： | 201K |
| 代理商： | DS1775R/TR3 |
DS1775
5 of 13
O.S. OUTPUT TRANSFER FUNCTION Figure 2
Regardless of the mode chosen, the O.S. output is open–drain and the active state is set in the configuration
register. The power–up default is active low. Refer to the “OPERATION–Programming” section for
instructions in adjusting the thermostat setpoints, thermostat mode, and O.S. active state.
OPERATION–PROGRAMMING
There are three areas of interest in programming the DS1775: the configuration register, the TOS register,
and the THYST register. All programming is done via the 2–wire interface by setting the pointer to the
appropriate location. Table 3 illustrates the pointer settings for the four registers of the DS1775.
POINTER REGISTER STRUCTURE Table 3
POINTER
ACTIVE REGISTER
00h
Temperature (default)
01h
Configuration
02h
THYST
03h
TOS
The DS1775 will power up with the temperature register selected. If the host wishes to change the data
pointer it simply addresses the DS1775 in the write mode (R/ W =0), receives an acknowledge, and writes
the 8 bits that correspond to the new desired location. The last pointer location is always maintained so that
consecutive reads from the same register do not require the host to always provide a pointer address. The
only exception is at power–up, in which case the pointer will always be set to 00h, the temperature register.
The pointer address must always proceed data in writing to a register, regardless of which address is
currently selected. Please refer to the “2–Wire Serial Data Bus” section for details of the 2-wire bus
protocol.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1775R-U | 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 |
| DS1776 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PI-Bus Transceiver |
| DS1776E/883 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PI-Bus Transceiver |
| DS1776J/883 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| DS1776W/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single 8-bit Bus Transceiver |
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