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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： | 13/40页 |
| 文件大小： | 790K |
| 代理商： | TMP431BDGKT |
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SBOS441C
– SEPTEMBER 2009 – REVISED FEBRUARY 2011
Configuration Register 2
The
LEN
bit
enables
the
local
temperature
measurement channel. If LEN = '1', the local channel
Configuration Register 2 (pointer address 1Ah for the
is enabled; if LEN = '0', the local channel is disabled.
TMP431 and 3Fh for the TMP432) controls which
temperature measurement channels are enabled and
The
REN
bit
enables
external
temperature
whether the external channels have the resistance
measurement channel 1 (connected to pins 2 and 3.)
correction feature enabled or not.
If REN = '1', the external channel is enabled; if REN =
'0', the external channel is disabled.
The RC bit enables the resistance correction feature
for the external temperature channels. If RC = '1',
For the TMP432 only, the REN2 bit enables the
series resistance correction is enabled; if RC = '0',
second external measurement channel (connected to
resistance
correction
is
disabled.
Resistance
pins 4 and 5). If REN2 = '1', the second external
correction should be enabled for most applications.
channel is enabled; if REN2 = '0', the second external
However, disabling the resistance correction may
channel is disabled.
yield slightly improved temperature measurement
The temperature measurement sequence is local
noise performance, and reduce conversion time by
channel, external channel 1, external channel 2,
about 50%, which could lower power consumption
shutdown, and delay (to set conversion rate, if
when conversion rates of two per second or less are
necessary). The sequence starts over with the local
selected.
channel. If any of the channels are disabled, they are
skipped in the sequence. Table 8 summarizes the
bits of Configuration Register 2.
Table 8. Configuration Register 2 Bit Descriptions
CONFIGURATION REGISTER 2
(Read/Write = 1A for TMP431 3F for TMP432; POR = 1Ch for TMP431; 3Ch for TMP432)
BIT
NAME
FUNCTION
POWER-ON RESET VALUE
7, 6
Reserved
—
0
0 = External channel 2 disabled
1 (TMP432)
5
REN2
1 = External channel 2 enabled
0 (TMP431)
0 = External channel 1 disabled
4
REN
1
1 = External channel 1 enabled
0 = Local channel disabled
3
LEN
1
1 = Local channel enabled
0 = Resistance correction
disabled
2
RC
1
1 = Resistance correction
enabled
1, 0
Reserved
—
0
20
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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