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| 型号： | TMP431CDGKT |
| 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： | 17/40页 |
| 文件大小： | 790K |
| 代理商： | TMP431CDGKT |
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SBOS441C
– SEPTEMBER 2009 – REVISED FEBRUARY 2011
Consecutive Alert Register
Identification Registers
The value in the Consecutive Alert Register (address
The TMP431/32 allow for the Two-Wire bus controller
22h) determines how many consecutive out-of-limit
to query the device for manufacturer and device IDs
measurements
must
occur
on
a
measurement
to enable the device for software identification of the
channel before the ALERT or the THERM signal is
device at the particular Two-Wire bus address. The
activated. The value in this register does not affect
manufacturer ID is obtained by reading from pointer
bits in the Status Register. Values of one, two, three,
address FEh. The TMP431/32 both return 55h for the
or four consecutive conversions can be selected; one
manufacturer code. The device ID is obtained by
conversion
is
the
default.
This
function
allows
reading from pointer address FDh. The TMP431
additional filtering for the ALERT or the THERM pin.
returns 31h for the device ID and the TMP432 returns
Table 14 shows the consecutive alert bits. For bit
descriptions, refer to Table 12.
These registers are read-only.
Table 12. Consecutive Alert Register Bit
Table 13. Allowable THERM Hysteresis Values
Descriptions
THERM HYSTERESIS VALUE
BIT NAME
NUMBER OF
TH[7:0]
CONSECUTIVE
TEMPERATURE
(STANDARD
OUT-OF-LIMIT
(
°C)
BINARY)
(HEX)
MEASUREMENTS
0
0000 0000
00
CALT2/CTH2 CALT1/CTH1 CALT0/CTH0
(ALERT/THERM)
1
0000 0001
01
0
1
5
0000 0101
05
0
1
2
10
0000 1010
0A
0
1
3
25
0001 1001
19
1
4
50
0011 0010
32
.
75
0100 1011
4B
100
0110 0100
64
Therm Hysteresis Register
125
0111 1101
7D
The THERM Hysteresis Register, shown in Table 15,
127
0111 1111
7F
stores the hysteresis value used for the THERM pin
150
1001 0110
96
alarm function. This register must be programmed
175
1010 1111
AF
with a value that is less than the Local Temperature
200
1100 1000
C8
High Limit Register value, Remote Temperature High
Limit Register value, Local THERM Limit Register
225
1110 0001
E1
value, or Remote THERM Limit Register value;
255
1111 1111
FF
otherwise, the respective temperature comparator
does not trip on the measured temperature falling
edges. Allowable hysteresis values are shown in
Table 13. The default hysteresis value is 10
°C,
whether the device is operating in the standard or
extended mode setting.
Table 14. Consecutive Alert Register Format
CONSECUTIVE ALERT REGISTER
(READ = 22h, WRITE = 22h, POR = 70h)
BIT #
D7
D6
D5
D4
D3
D2
D1
D0
BIT NAME
0
CTH2
CTH1
CTH0
CALT2
CALT1
CALT0
0
POR VALUE
0
1
0
Table 15. THERM Hysteresis Register Format
THERM HYSTERESIS REGISTER
(Read = 21h, Write = 21h, POR = 0Ah)
BIT #
D7
D6
D5
D4
D3
D2
D1
D0
BIT NAME
TH7
TH6
TH5
TH4
TH3
TH2
TH1
TH0
POR VALUE
0
1
0
1
0
24
2009–2011, Texas Instruments Incorporated
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相关代理商/技术参数 |
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| 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 |
| TMP432ADGST | 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 |
| TMP432ADGST | 制造商:Texas Instruments 功能描述:Temperature Sensor IC 制造商:Texas Instruments 功能描述:IC, TEMP SENSOR, 12BIT, 1C, MSOP-10 |
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