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參數資料
| 型號： | ADT6402SRJZ-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/12頁 |
| 文件大小： | 264K |
| 描述： | IC TEMP SENS TRIP PT PP SOT-23-6 |
| 產品培訓模塊： | Temperature Sensors |
| 特色產品： | ADT6401 and ADT6402 Temperature Switches |
| 標準包裝： | 1 |
| 功能： | 溫度開關 |
| 傳感器類型： | 內部 |
| 感應溫度： | -45°C ~ 5°C，45°C ~ 115°C |
| 精確度： | ±0.5°C |
| 拓撲： | ADC（三角積分型），比較器 |
| 輸出類型： | 推挽式 |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 798 (CN2011-ZH PDF) |
| 其它名稱： | ADT6402SRJZ-RL7DKR |
Low Cost, 2.7 V to 5.5 V, Pin-Selectable
Tem erature Switches in SOT-23
Data Sheet
ADT6401/ADT6402
Rev. C
Document Feedback
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
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FEATURES
?.5癈 (typical) threshold accuracy
Pin-selectable trip points from
45癈 to +5癈 in 10癈 increments (undertemperature)
45癈 to 115癈 in 10癈 increments (overtemperature)
Maximum operating temperature of 125癈
Open-drain output (ADT6401)
Push-pull output (ADT6402)
Pin-selectable hysteresis of 2癈 and 10癈
Supply current of 30 礎 (typical)
Space-saving, 6-lead SOT-23 package
APPLICATIONS
Medical equipment
Automotive
Cell phones
Hard disk drives
Personal computers
Electronic test equipment
Domestic appliances
Process control
FUNCTIONAL BLOCK DIAGRAM
2篊/10篊
V
CC
4
GND
5
TOVER/TUNDER
6
TRIP POINT AND
HYSTERESIS
DECODING
ADT6401
COMPARATOR
??/DIV>
TEMPERATURE-TO-
DIGITAL CONVERTER
2
1
1
2
0
3
Figure 1.
GENERAL DESCRIPTION
The ADT6401/ADT6402 are trip point temperature switches
available in a 6-lead SOT-23 package. Each part contains an
internal band gap temperature sensor for local temperature
sensing. When the temperature crosses the trip point setting,
the logic output is activated. The ADT6401 logic output is
active low and open-drain. The ADT6402 logic output is active
high and push-pull. The temperature is digitized to a resolution
of 0.125癈 (11-bit). The pin-selectable trip point settings are
10癈 apart starting from 45癈 to +5癈 for undertemperature
switching, and from 45癈 to 115癈 for overtemperature
switching.
These devices typically consume 30 糀 of supply current. Hystere-
sis is pin selectable at 2癈 and 10癈. The temperature switch is
specified to operate over the supply range of 2.7 V to 5.5 V.
When the ADT6401/ADT6402 are used for monitoring tempera-
tures from 45癈 to 115癈, the logic output pin becomes active
when the temperature goes higher than the selected trip point
temperature.
When the ADT6401/ADT6402 are used for monitoring tempera-
tures from 45癈 to +5癈, the logic output pin becomes active
when the temperature goes lower than the selected trip point
temperature.
PRODUCT HIGHLIGHTS
1. ??based temperature measurement gives high accuracy
and noise immunity.
2. Wide operating temperature range from 55癈 to +125癈.
3. ?.5癈 typical accuracy from 45癈 to +115癈.
4. Pin-selectable threshold settings from 45癈 to +115癈 in
10癈 increments.
5. Supply voltage is 2.7 V to 5.5 V.
6. Supply current of 30 糀.
7. Space-saving, 6-lead SOT-23 package.
8. Pin-selectable temperature hysteresis of 2癈 or 10癈.
9. Temperature resolution of 0.125癈.
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