參數(shù)資料
型號(hào)： MAX6635MSA+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 溫度/濕度傳感器
英文描述： 12-Bit Plus Sign Temperature Sensors with SMBus/I<sup>2</sup>C-Compatible Serial Interface
中文描述： DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2.50Cel, RECTANGULAR, SURFACE MOUNT
封裝： 0.150 INCH, SOIC-8
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 210K
代理商： MAX6635MSA+
MAX6633/MAX6634/MAX6635
bit. Registers THIGH and TLOW are 16 bits, read/write,
and contain values that trigger ALERT and OVERT.
Register THYST is 16 bits, read/write, and contains the
values by which the temperature must rise or fall
beyond THIGH, TLOW, or TMAX, before ALERT or
OVERT deassert.
Temperature Conversion
An on-chip bandgap reference produces a signal pro-
portional to absolute temperature (PTAT), as well as the
temperature-stable reference voltage necessary for the
analog-to-digital conversion. The PTAT signal is digi-
tized by the on-board ADC to a resolution of 0.0625°C.
The resulting digital value is placed in the Temperature
register. The temperature conversion runs continuously
and asynchronously from the serial interface at a rate of
500ms per conversion. When the Temperature register
is read, the conversion in progress is aborted. The bus
transaction is completed by a stop condition.
Fault Queue (MAX6634/MAX6635)
A programmable fault queue on the MAX6634/
MAX6635 eliminates spurious alarm activity in noisy
environments. The queue sets the number of consecu-
tive out-of-tolerance temperature readings that must
occur before the ALERT or OVERT alarm outputs are
toggled. An out-of-tolerance reading is above THIGH or
TMAX or below TLOW. The fault queue depth defaults to
1 at power-up and may be programmed—through the
Configuration register—to four consecutive conver-
sions. Any time the conversion result is in tolerance,
and the particular alarm output is not asserted, the
queue is cleared, even if it contains some out-of-toler-
ance counts. Additionally, the fault queue automatically
clears at power-up and in shutdown. Whenever the
fault queue is cleared, the alarm outputs are deassert-
ed. Figure 9 is the alarm output and reset diagram.
12-Bit Plus Sign Temperature Sensors with
SMBus/I2C-Compatible Serial Interface
10
______________________________________________________________________________________
**
*
*IN INTERRUPT MODE, READING THE DEVICE CLEARS ALERT.
OTHERWISE, IT WOULD REMAIN LOW INDEFINITELY UNTIL CLEARED.
TMAX
TMAX - THYST
THIGH
THIGH - THYST
TLOW
TLOW + THYST
ALERT
COMPARATOR MODE
ALERT
INTERRUPT MODE
OVERT
COMPARATOR MODE
ONLY
Figure 9. Alarm Output and Reset Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6635MSA+ 功能描述:板上安裝溫度傳感器 12-Bit + Sign Temperature Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6635MSA+T 功能描述:板上安裝溫度傳感器 12-Bit + Sign Temperature Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6635MSA-T 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6636UP9A+ 功能描述:板上安裝溫度傳感器 7Ch Precision Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6636UP9A+T 功能描述:板上安裝溫度傳感器 7Ch Precision Temperature Monitor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
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