参数资料
型号: SE95D,118
厂商: NXP Semiconductors
文件页数: 9/27页
文件大小: 150K
描述: IC SENSOR TEMP 2.8-5.5V 8SOIC
标准包装: 1
功能: 温度监视系统(传感器),监视器
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(三角积分型),比较器,振荡器,寄存器库
输出类型: 2 线串行,I²C?
输出警报:
输出风扇:
电源电压: 2.8 V ~ 5.5 V
工作温度: -55°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 标准包装
其它名称: 568-8721-6
SE95_7
?NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 07  2 September 2009
9 of 27
NXP Semiconductors
SE95
Ultra high accuracy digital temperature sensor and thermal watchdog
At power-up, the pointer value is preset to logic 0 for register Temp; users can then read
the temperature without specifying the pointer byte.
8.4  Conguration register
The Conguration (Conf) register is a read/write register and contains an 8-bit
non-complement data byte that is used to congure the device for different operating
conditions.
T
ab
le
6 shows the bit assignments of this register.
8.5  Temperature register
The Temperature (Temp) register holds the digital result of temperature measurement or
monitor at the end of each analog to digital conversion. This register is read only and
contains two 8-bit data bytes consisting of one Most Signicant Byte (MSByte) and one
Least Signicant Byte (LSByte). However, only 13 bits of those two bytes are used to store
the Temp data in twos complement format with the resolution of 0.03125 癈.
T
ab
le
7
shows the bit arrangement of the Temp data in the data bytes.
Table 6.
Conf register
Legend: * = default value.
Bit
Symbol
Access
Value
Description
7
reserved
R/W
0*
reserved for manufacturers use
6 and 5
RATEVAL[1:0]
R/W
sets the conversion rate
00*
10 conversion/s
01
0.125 conversion/s
10
1 conversion/s
11
30 conversion/s
4 and 3
OS_F_QUE[1:0]    R/W
OS fault queue programming
00*
queue value = 1
01
queue value = 2
10
queue value = 4
11
queue value = 6
2
OS_POL
R/W
OS polarity selection
0*
OS active LOW
1
OS active HIGH
1
OS_COMP_INT    R/W
OS operation mode selection
0*
OS comparator
1
OS interrupt
0
SHUTDOWN
R/W
0
operation mode
0*
normal
1
shutdown
Table 7.
Temp register
MSByte
LSByte
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
D15   D14   D13   D12   D11   D10    D9    D8    D7    D6    D5    D4    D3    D2    D1    D0
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