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參數資料
| 型號： | AT30TS750-MA8-T |
| 廠商： | ATMEL CORP |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | 2 X 3 MM, 0.60 MM HEIGHT, GREEN, PLASTIC, MO-229, UDFN-8 |
| 文件頁數： | 2/52頁 |
| 文件大?。?/td> | 1369K |
| 代理商： | AT30TS750-MA8-T |
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incorporates a Fault Tolerance Queue that requires consecutive temperature faults to occur
before resulting in a valid fault condition. The Fault Tolerance Queue value is controlled by the
FT1 and FT0 bits in the Configuration Register and can be set to a single fault count of 1 or a
count of 2, 4, or 6 consecutive faults.
An internal counter that automatically increments after a temperature fault is used to determine if
the Fault Tolerance Queue setting has been met. After incrementing the fault counter, the device
will compare the count to the Fault Tolerance Queue setting to see if a valid fault condition should
be triggered. Once a valid fault condition occurs, the device will activate the ALERT output pin. If
the most recent measured temperature does not meet or exceed the high or low temperature limit,
then the internal fault counter will be reset back to zero.
Figure 5-1 shows a sample temperature profile and how each temperature fault would impact the
internal fault counter.
Figure 5-1.
Fault Count Example
TEMPERATURE
TEMPERATURE MEASUREMENTS/CONVERSIONS
THIGH LIMIT
TLOW LIMIT
1
2
3
4
After the device powers up or resets, the NVFT1 and NVFT0 bits of the Nonvolatile Configuration
Register are automatically copied into the FT1 and FT0 bits of the Configuration Register;
therefore, the Fault Tolerance Queue setting will revert back to the settings defined by the NVFT1
and NVFT0 bits prior to when the device was powered-down or reset.
5.2.2
Comparator Mode
When the device operates in the Comparator Mode, then the ALERT pin goes active if the
measured temperature meets or exceeds the high temperature limit set by the THIGH Limit
Register and a valid fault condition exists (the consecutive number of temperature faults has been
reached). The ALERT pin will return to the inactive state after the measured temperature drops
below the TLOW Limit Register value the appropriate number of times to create a subsequent
valid fault condition. The ALERT pin only changes state based on the high and low temperature
limits and fault conditions; reading from or writing to any register or putting the device into
Shutdown Mode will not affect the state of the ALERT pin. The high temperature limit set by the
THIGH Limit Register must be greater than the low temperature limit set by the TLOW Limit
Register in order for the ALERT pin to activate correctly.
If switching from Interrupt Mode to Comparator Mode while the ALERT pin is already active, then
the ALERT pin will remain active until the measured temperature is below the TLOW Limit
Register value the appropriate number of times to create a valid fault condition.
The ALERT pin will return to the inactive state if the device receives the General Call Reset
command. When reset, the contents of the Nonvolatile Configuration register will be copied into
8749A-DTS-03/11
Atmel AT30TS750 [Preliminary]
10
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AT30TS750SS8B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:9- to 12-bit Selectable, ?±0.5?°C Accurate Digital Temperature Sensor with Nonvolatile Registers |
| AT30TS750-SS8-B | 功能描述:板上安裝溫度傳感器 TMP SENSOR RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| AT30TS750SS8T | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:9- to 12-bit Selectable, ?±0.5?°C Accurate Digital Temperature Sensor with Nonvolatile Registers |
| AT30TS750-SS8-T | 功能描述:板上安裝溫度傳感器 TMP SENSOR RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| AT30TS750XM8B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:9- to 12-bit Selectable, ?±0.5?°C Accurate Digital Temperature Sensor with Nonvolatile Registers |
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