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| 型号： | TMP431BDGKT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封装： | GREEN, PLASTIC, MSOP-8 |
| 文件页数： | 15/40页 |
| 文件大小： | 790K |
| 代理商： | TMP431BDGKT |
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SBOS441C
– SEPTEMBER 2009 – REVISED FEBRUARY 2011
Beta Compensation Configuration Register
continue to be GND collector-connected in this mode,
but no beta compensation factor is applied. When the
If the Beta Compensation Configuration Register is
beta correction is set to '0111' or the sensor is
set to '1xxx' (beta correction enabled) for a given
diode-connected (base shorted to collector), the
remote channel at the beginning of each temperature
η-factor used by the TMP431/32 is 1.008. When the
conversion, the TMP431/32 automatically detect if the
beta correction configuration is set to '1xxx' (beta
sensor
is
diode-connected
or
GND
correction
enabled)
and
the
sensor
is
GND
collector-connected, select the proper beta range,
collector-connected (PNP collector to ground), the
and measure the sensor temperature appropriately.
η-factor used by the TMP431/32 is 1.000. Table 10
shows the read value for the selected beta ranges
If the Beta Compensation Configuration Register is
and
the
appropriate
η-factor
used
for
each
set to '0111' (beta correction disabled) for a given
conversion.
channel, the automatic detection is bypassed and the
temperature
is
measured
assuming
a
diode-connected sensor. A PNP transistor may
Table 10. Beta Compensation Configuration Register
BCx3-BCx0
BETA RANGE DESCRIPTION
η-FACTOR
TIME
1000
Automatically selected range 0 (0.10
< beta < 0.18)
1.000
126ms
1001
Automatically selected range 1 (0.16
< beta < 0.26)
1.000
126ms
1010
Automatically selected range 2 (0.24
< beta < 0.43)
1.000
126ms
1011
Automatically selected range 3 (0.35
< beta < 0.78)
1.000
126ms
1100
Automatically selected range 4 (0.64
< beta < 1.8)
1.000
126ms
1101
Automatically selected range 5 (1.4
< beta < 9.0)
1.000
126ms
1110
Automatically selected range 6 (6.7
< beta < 40.0)
1.000
126ms
1111
Automatically selected range 7 (beta
> 27.0)
1.000
126ms
1111
Automatically detected diode connected sensor
1.008
93ms
0000
Manually selected range 0 (0.10
< beta < 0.5)
1.000
93ms
0001
Manually selected range 1 (0.13
< beta < 1.0)
1.000
93ms
0010
Manually selected range 2 (0.18
< beta < 2.0)
1.000
93ms
0011
Manually selected range 3 (0.3
< beta < 25)
1.000
93ms
0100
Manually selected range 4 (0.5
< beta < 50)
1.000
93ms
0101
Manually selected range 5 (1.1
< beta < 100)
1.000
93ms
0110
Manually selected range 6 (2.4
< beta < 150)
1.000
93ms
0111
Manually disabled beta correction
1.008
93ms
22
2009–2011, Texas Instruments Incorporated
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| TMP431CDGKR | 功能描述:板上安装温度传感器 +/-1C Remote and Local Temp Sensor 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 |
| TMP431CDGKT | 功能描述:板上安装温度传感器 +/-1C Remote and Local Temp Sensor 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 |
| TMP431DDGKR | 功能描述:板上安装温度传感器 +/-1C Remote and Local Temp Sensor 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 |
| TMP431DDGKT | 功能描述:板上安装温度传感器 +/-1C Remote and Local Temp Sensor 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 |
| TMP432ADGSR | 功能描述:板上安装温度传感器 Remote & Local Temp Sensor 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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