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参数资料
| 型号： | DS1775R2+T&R |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| 封装： | LEAD FREE, SOT-23, 5 PIN |
| 文件页数： | 13/17页 |
| 文件大小： | 328K |
| 代理商： | DS1775R2+T&R |
DS1775
5 of 14
Temperature/Data Relationships Table 2
S
26
25
24
23
22
21
20
MSB
MSb
(UNIT =
°C)
LSb
2-1
2-2
2-3
2-4
0
LSB
TEMP
DIGITAL OUTPUT
(Binary)
DIGITAL OUTPUT (Hex)
+125
°C
0111 1101 0000 0000
7D00h
+25.0625
°C
0000 1010 0010 0000
1910h
+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
OPERATION–Thermostat Control
In its comparator operating mode, the DS1775 functions as a thermostat with programmable hysteresis, as
shown in Figure 2. When the DS1775’s temperature meets or exceeds the value stored in the high
temperature trip register (TOS) a consecutive number of times, as defined by the configuration register, the
output becomes active and stays active until the first time that the temperature falls below the temperature
stored in the low temperature trigger register (THYST). In this way, any amount of hysteresis may be
obtained. The DS1775 powers up in the comparator mode with TOS=80
°C and THYST=75°C and can be
used as a standalone thermostat (no 2–wire interface required) with those setpoints.
In the interrupt mode, the O.S. output will first become active following the programmed number of
consecutive conversions above TOS. The fault can only be cleared by either setting the DS1775 in a
shutdown mode or by reading any register (temperature, configuration, TOS, or THYST) on the device.
Following a clear, a subsequent fault can only occur if consecutive conversions fall below THYST. This
interrupt/clear process is thus cyclical (TOS, clear, THYST, clear, TOS, clear, THYST, clear, ...). Only the first
of multiple consecutive TOS violations will activate O.S., even if each fault is separated by a clearing
function. The same situation applies to multiple consecutive THYST events.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1775R2-U | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS1775R3/T&R | 制造商:Maxim Integrated Products 功能描述:DS1775R DIG THERM T&R 011 ADD SOT23 - Tape and Reel |
| DS1775R3/T&R | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS1775R3+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:Maxim Integrated Products 功能描述:IC THERMOM/STAT DIG 011 SOT-23-5 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Digital Thermometer & Thermostat |
| DS1775R3+T&R | 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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