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參數(shù)資料
| 型號： | DS1821C+ |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 8/19頁 |
| 文件大小： | 793K |
| 描述： | IC THERMOMETER/STAT PROG 3-TO92 |
| 標準包裝： | 500 |
| 系列： | 1-Wire® |
| 功能： | 溫度計，恒溫計 |
| 傳感器類型： | 內(nèi)部 |
| 感應溫度： | -55°C ~ 125°C |
| 精確度： | ±1°C |
| 拓撲： | 比較器，寄存器庫 |
| 輸出類型： | 數(shù)字 |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | TO-226-3、TO-92-3 標準主體 |
| 供應商設備封裝： | TO-92-3 |
| 包裝： | 管件 |
DS1821
8 of 19
CONFIGURATION REGISTER BIT DESCRIPTIONS Table 3
Bit Name
r A
Functional Description
DONE Temperature Conversion Done
(Read Only)
DONE = 0 Temperature conversion is in progress.
DONE = 1 Temperature conversion is complete.
NOTE: DONE = 0 at POR.
NVB Non-volatile Memory Busy
Read Onl
NVB = 0 Nonvolatile memory is not busy.
NVB = 1 A write to EEPROM memor is in ro ress
THF* Temperature High Flag
(Read/Write)
THF = 0 The measured temperature has not exceeded the
value stored in the T
H
register.
THF = 1 At some point in time the measured temperature has
been higher than the value stored in the T
H
register. THF will
r m in 1 n il i i
r- ri n i h
h
r
TLF* Temperature Low Flag
(Read/Write)
TLF = 0 The measured temperature has not been lower than
the value stored in the T
L
register.
TLF = 1 At some point in time the measured temperature has
been lower than the value stored in the T
L
register. TLF will
r m in 1 n il i i
r- ri n i h
h
r
T/R ? Power-up Operating Mode
(Read/Write)
T/R ?= 0 DS1821 powers up in 1- wire mode.
T/R ?= 1 DS1821 powers up in thermostat mode.
POL* Thermostat Output (DQ) Polarity
Read/Write
POL = 0 Thermostat output (DQ) is active low.
POL = 1 Thermostat out ut D is active hi h.
1SHOT* Conversion Mode
(Read/Write)
1SHOT = 0 Continuous conversion mode. The Start Convert
T [EEh] command initiates continuous temperature conversions,
which can be stopped with the Stop Convert T [22h] command.
1SHOT = 1 One-shot mode. The Start Convert T [EEh]
command initiates a single temperature conversion after which
h D 1 21 r rn
l -
r n
*Stored in EEPROM
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參數(shù)描述 |
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| DS1821C+ | 功能描述:恒溫器 Programmable Digital Thermo-stat/monitor RoHS:否 制造商:Maxim Integrated 功能: 開路溫度: 閉合溫度: 準確性:+/- 1 C 溫度范圍:- 55 C to + 125 C 電流額定值:500 uA 電壓額定值:2.7 V to 5.5 V 產(chǎn)品:Thermostats |
| DS1821-C02 | 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| DS1821-C04 | 制造商:DSC 功能描述: |
| DS1821S | 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 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| DS1821S/T&R | 制造商:Maxim Integrated Products 功能描述:PROGRAM THERMOSTAT 208ML 8-SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT PROG 8-SOIC |
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