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參數資料
| 型號： | DS18B20+T&R |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/22頁 |
| 文件大?。?/td> | 528K |
| 描述： | IC THERM MICROLAN PROG-RES TO92 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 功能： | 溫度計，恒溫計 |
| 傳感器類型： | 內部 |
| 感應溫度： | -55°C ~ 125°C |
| 精確度： | ±2°C（最小值） |
| 拓撲： | 寄存器庫，變簽式暫存器 |
| 輸出類型： | 1-Wire? |
| 輸出警報： | 是 |
| 輸出風扇： | 無 |
| 電源電壓： | 3 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（TO-226AA）成形引線 |
| 供應商設備封裝： | TO-92-3 |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | DS18B20+T&RCT |
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REV: 042208
DESCRIPTION
The DS18B20 digital thermometer provides 9-bit
to 12-bit Celsius temperature measurements and
has an alarm function with nonvolatile user-
programmable upper and lower trigger points.
The DS18B20 communicates over a 1-Wire bus
that by definition requires only one data line (and
ground) for communication with a central
microprocessor. It has an operating temperature
range of -55癈 to +125癈 and is accurate to
?.5癈 over the range of -10癈 to +85癈. In
addition, the DS18B20 can derive power directly
from the data line ( parasite power ), eliminating
the need for an external power supply.
Each DS18B20 has a unique 64-bit serial code,
which allows multiple DS18B20s to function on
the same 1-Wire bus. Thus, it is simple to use one
microprocessor to control many DS18B20s
distributed over a large area. Applications that
can benefit from this feature include HVAC
environmental controls, temperature monitoring
systems inside buildings, equipment, or
machinery, and process monitoring and control
systems.
FEATURES
? Unique 1-Wire?Interface Requires Only One
Port Pin for Communication
? Each Device has a Unique 64-Bit Serial Code
Stored in an On-Board ROM
? Multidrop Capability Simplifies Distributed
Temperature-Sensing Applications
? Requires No External Components
? Can Be Powered from Data Line; Power Supply
Range is 3.0V to 5.5V
? Measures Temperatures from -55癈 to +125癈
(-67癋 to +257癋)
? ?.5癈 Accuracy from -10癈 to +85癈
? Thermometer Resolution is User Selectable
from 9 to 12 Bits
? Converts Temperature to 12-Bit Digital Word in
750ms (Max)
? User-Definable Nonvolatile (NV) Alarm
Settings
? Alarm Search Command Identifies and
Addresses Devices Whose Temperature is
Outside Programmed Limits (Temperature
Alarm Condition)
? Available in 8-Pin SO (150 mils), 8-Pin 礢OP,
and 3-Pin TO-92 Packages
? Software Compatible with the DS1822
? Applications Include Thermostatic Controls,
Industrial Systems, Consumer Products,
Thermometers, or Any Thermally Sensitive
System
PIN CONFIGURATIONS
DS18B20
Programmable Resolution
1-Wire Digital Thermometer
TO-92
(DS18B20)
1 2 3
AXIM
18B20
1
2 3
SO (150 mils)
(DS18B20Z)
N. .
N.C.
N.C.
GND
DQ
V
DD
6
7
3
2
V
DD
N. .
N.C.
N. .
GND
N.C.
6
7
3
2
?SPAN class="pst DS18B20Z-T-R_2290795_6">SOP
(DS18B20U)
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS18B20U | 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 |
| DS18B20U/T&R | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER USOP T&R - Tape and Reel |
| DS18B20U/T&R-W | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER USOP T&R - Tape and Reel |
| DS18B20U/T&R | 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 |
| DS18B20U+ | 功能描述:板上安裝溫度傳感器 Prgmble Resolution 1-Wire Parasite Pwr 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 |
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