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參數(shù)資料
| 型號： | DS1775R3/T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 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)： | 16/17頁 |
| 文件大?。?/td> | 328K |
| 代理商： | DS1775R3/T&R |
DS1775
8 of 14
Thermometer Resolution Configuration Table 5
R1
R0
Thermometer Resolution
Max Conversion Time
0
9-bit
0.1875s
0
1
10-bit
0.375s
1
0
11-bit
0.75s
1
12-bit
1.5s
Thermostat Setpoints Programming
The thermostat registers (TOS and THYST) can be programmed or read via the 2–wire interface. TOS is
accessed by setting the DS1775 data pointer to the 03h location, and to the 02h location for THYST.
The format of the TOS and THYST registers is identical to that of the Thermometer register; that is, 12–bit
2’s complement representation of the temperature in
°C. The user can program the number of bits (9, 10,
11, or 12) for each TOS and THYST that corresponds to the thermometer resolution mode chosen. For
example, if the 9–bit mode is chosen the 3 least significant bits of TOS and THYST will be ignored by the
thermostat comparator. The format for both TOS and THYST is shown in Table 6. The power–up default
for TOS is 80
°C and for THYST is 75°C.
Thermostat Setpoint (TOS/THYST) Format Table 6
S
26
25
24
23
22
21
20
MSB
MSb
(UNIT =
°C)
LSb
2-1
2-2
2-3
2-4
0
LSB
TEMPERATURE/DATA RELATIONSHIPS
TEMP
DIGITAL OUTPUT
(Binary)
DIGITAL OUTPUT (Hex)
+80
°C
0101 0000 0000 0000
5000h
+75
°C
0100 1011 0000 0000
4B00h
+10.125
°C
0000 1010 0010 0000
0A20h
+0.5
°C
0000 0000 1000 0000
0080h
+0
°C
0000 0000 0000 0000
0000h
-0.5
°C
1111 1111 1000 0000
FF80h
-10.125
°C
1111 0101 1110 0000
F5E0h
-25.0625
°C
1110 0110 1111 0000
E6F0h
-55
°C
1100 1001 0000 0000
C900h
If the user does not wish to take advantage of the thermostat capabilities of the DS1775, the 24 bits can be
used for general storage of system data that need not be maintained following a power loss.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1775R3-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 |
| DS1775R4/T&R | 制造商:Maxim Integrated Products 功能描述:IC THERMOM/STAT DIG 100 SOT-23-5 |
| DS1775R4/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(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 |
| DS1775R4+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 5PIN SOT-23 - Tape and Reel 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC THERMOM/STAT DIG 100 SOT-23-5 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Digital Thermometer & Thermostat |
| DS1775R4+T&R | 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 |
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