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参数资料
| 型号： | DS1775R1+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/14页 |
| 文件大小： | 394K |
| 描述： | IC THERMOM/STAT DIG 001 SOT-23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 3,000 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，比较器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
DS1775
7 of 14
R0, R1 = Thermometer resolution bits. Table 6 defines the resolution of the digital thermometer, based
on the settings of these two bits. There is a direct trade-off between resolution and conversion time, as
shown in the AC Electrical Characteristics. The default state is R0 = 0 and R1 = 0 (9-bit conversions).
Table 6. Thermometer Resolution Configuration
R1
R0
THERMOMETER RESOLUTION
BITS
MAX CONVERSION TIME
SECONDS
0
0
9
0.1875
0
1
10
0.375
1
0
11
0.75
1
1
12
1.5
Thermostat Setpoints Programming
The thermostat registers (T
OS
and T
HYST
) can be programmed or read via the 2-wire interface. T
OS
is
accessed by setting the DS1775 data pointer to the 03h location, and to the 02h location for T
HYST
.
The format of the T
OS
and T
HYST
registers is identical to that of the Thermometer register; that is, 12-bit
2s complement representation of the temperature in 癈. The user can program the number of bits (9, 10,
11, or 12) for each T
OS
and T
HYST
that corresponds to the thermometer resolution mode chosen. For
example, if the 9-bit mode is chosen the three least significant bits of T
OS
and T
HYST
are ignored by the
thermostat comparator. Table 7 shows the format for both T
OS
and T
HYST
. The power-up default for T
OS
is
+80癈 and for T
HYST
is +75癈.
Table 7. Thermostat Setpoint (T
OS
/T
HYST
) Format
S
2
6
2
5
2
4
2
3
2
2
2
1
2
0
MSB
MSb
UNIT = 癈
LSb
2
-1
2
-2
2
-3
2
-4
0
0
0
0
LSB
TEMPERATURE
?SPAN class="pst DS1775R7-T-R_2292811_1">C
DIGITAL OUTPUT
BINARY
DIGITAL OUTPUT
HEX
+80
0101 0000 0000 0000
5000h
+75
0100 1011 0000 0000
4B00h
+10.125
0000 1010 0010 0000
0A20h
+0.5
0000 0000 1000 0000
0080h
0
0000 0000 0000 0000
0000h
-0.5
1111 1111 1000 0000
FF80h
-10.125
1111 0101 1110 0000
F5E0h
-25.0625
1110 0110 1111 0000
E6F0h
-55
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1775R1-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 |
| DS1775R1-U/GG8 | 制造商:Maxim Integrated Products 功能描述:TINY DIGITAL THERMOMETER AND THERMOSTAT - Tape and Reel |
| DS1775R2 | 制造商:Maxim Integrated Products 功能描述:DIGITAL THERMOMETER SOT23 T&R - Tape and Reel |
| DS1775R2/T&R | 制造商:Maxim Integrated Products 功能描述:DS1775R DIG THERM T&R 010 ADD SOT23 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOM/STAT DIG 010 SOT-23-5 |
| DS1775R2/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 |
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