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參數(shù)資料
| 型號： | AD22105 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | ECONOLINE: RD & RC - Dual Output from a Single Input Rail- 1kVDC & 2kVDC Isolation- Power Sharing on Output- Custom Solutions Available- UL94V-0 Package Material- Efficiency to 86% |
| 中文描述： | 低電壓，電阻可編程恒溫開關 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 262K |
| 代理商： | AD22105 |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Low Voltage, Resistor Programmable
Thermostatic Switch
AD22105
Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
User-Programmable Temperature Setpoint
2.0
8
C Setpoint Accuracy
4.0
8
C Preset Hysteresis
Wide Supply Range (+2.7 V dc to +7.0 V dc)
Wide Temperature Range (–40
8
C to +150
8
C)
Low Power Dissipation (230
m
W @ 3.3 V)
APPLICATIONS
Industrial Process Control
Thermal Control Systems
CPU Monitoring (i.e., Pentium)
Computer Thermal Management Circuits
Fan Control
Handheld/Portable Electronic Equipment
The AD22105 is designed to operate on a single power supply
voltage from +2.7 V to +7.0 V facilitating operation in battery
powered applications as well as in industrial control systems.
Because of low power dissipation (230
μ
W @ 3.3 V), self-
heating errors are minimized and battery life is maximized.
An optional internal 200 k
pull-up resistor is included to
facilitate driving light loads such as CMOS inputs.
Alternatively, a low power LED indicator may be driven directly.
GENERAL DESCRIPTION
The AD22105 is a solid state thermostatic switch. Requiring
only one external programming resistor, the AD22105 can be set
to switch accurately at any temperature in the wide operating
range of –40
°
C to +150
°
C. Using a novel circuit architecture,
the AD22105 asserts an open collector output when the ambient
temperature exceeds the user-programmed setpoint temperature.
The AD22105 has approximately 4
°
C of hysteresis which prevents
rapid thermal on/off cycling.
FUNCTIONAL BLOCK DIAGRAM
1
2
3
4
8
7
6
5
NC
V
S
R
SET
NC
R
PULL–UP
OUT
GND
NC
TEMPERATURE
SENSOR
200k
SET–
POINT
AD22105
1
2
3
4
8
7
6
5
OUT
+2.7V TO +7.0V
R
SET
AD22105
TOP VIEW
Figure 1. Typical Application Circuit
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD22105AR | 功能描述:IC THERMOSTATIC SWITCH SS 8-SOIC RoHS:否 類別:傳感器，轉換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
| AD22105AR-REEL | 功能描述:IC TEMP SENSOR/SWITCH LV 8SOIC RoHS:否 類別:傳感器，轉換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
| AD22105AR-REEL7 | 功能描述:IC TEMP SENSOR/SWITCH LV 8SOIC RoHS:否 類別:傳感器，轉換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
| AD22105ARZ | 功能描述:IC TEMP SENSOR/SWITCH LV 8SOIC RoHS:是 類別:傳感器，轉換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
| AD22105ARZ-REEL | 功能描述:IC TEMP SENSOR/SWITCH LV 8SOIC RoHS:是 類別:傳感器，轉換器 >> 溫度 系列:- 其它有關文件:DS1820 Digital Thermometer 標準包裝:500 系列:- 感應溫度:-55°C ~ 125°C 輸出類型:開路漏極 電源電壓:3 V ~ 5.5 V 精確度:±0.5°C 封裝/外殼:TO-226-3、TO-92-3 標準主體 供應商設備封裝:TO-92 包裝:散裝 |
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