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參數(shù)資料
| 型號(hào)： | MIC281-0YM6 |
| 廠商： | MICREL INC |
| 元件分類(lèi)： | 模擬信號(hào)調(diào)理 |
| 英文描述： | Low-Cost IttyBitty Thermal Sensor IttyBitty |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO6 |
| 封裝： | LEAD FREE, SOT-23, 6 PIN |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 171K |
| 代理商： | MIC281-0YM6 |
November 2004
1
MIC281
MIC281
Micrel
MIC281
Low-Cost IttyBitty Thermal Sensor IttyBitty
REV 11/04
General Description
The MIC281 is a digital thermal sensor capable of measuring
the temperature of a remote PN junction. It is optimized for
applications favoring low cost and small size. The remote
junction may be an inexpensive commodity transistor, e.g.,
2N3906, or an embedded thermal diode such as found in
Intel Pentium* II/III/IV CPUs, AMD Athlon* CPUs, and Xilinx
Virtex* FPGAs.
The MIC281 is 100% software and hardware backward com-
patible with the MIC280 and features the same industry-leading
noise performance and small size. The advanced integrating
A/D converter and analog front-end reduce errors due to noise
for maximum accuracy and minimum guardbanding.
A 2-wire SMBus 2.0-compatible serial interface is provided for
host communication. The clock and data pins are 5V-tolerant
regardless of the value of V
DD
. They will not clamp the bus
lines low even if the device is powered down.
Superior performance, low power, and small size make the
MIC281 an excellent choice for cost-sensitive thermal man-
agement applications.
Typical Application
DATA
CLK
NC
5
4
2
3
1
TO
SERIAL BUS
HOST
CPU DIODE
2000pF
MIC281
3.3V
10k
pull-ups
VDD
T1
GND
0.1
μ
F
MIC281 Typical Application
Features
Remote temperature measurement using embedded
thermal diodes or commodity transistors
Accurate remote sensing
±3°C max., 0°C to 100°C
Excellent noise rejection
I
2
C and SMBus 2.0 compatible serial interface
SMBus timeout to prevent bus lockup
Voltage tolerant I/Os
Low power shutdown mode
Failsafe response to diode faults
3.0V to 3.6V power supply range
IttyBitty SOT23-6 Package
Applications
Desktop, server and notebook computers
Set-top boxes
Game consoles
Appliances
Micrel, Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
IttyBitty is a registered trademark of Micrel, Inc.
*All trademarks are the property of their respective owners.
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| MIC281-1BM6 | Low-Cost IttyBitty Thermal Sensor IttyBitty |
| MIC281-1YM6 | Low-Cost IttyBitty Thermal Sensor IttyBitty |
| MIC281-2BM6 | Low-Cost IttyBitty Thermal Sensor IttyBitty |
| MIC281-2YM6 | Low-Cost IttyBitty Thermal Sensor IttyBitty |
| MIC281-3BM6 | Low-Cost IttyBitty Thermal Sensor IttyBitty |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC281-0YM6 TR | 功能描述:板上安裝溫度傳感器 Local and Remote Temperature Sensor with I2C Temperature Sensor in SOT23-6 (Lead Free) RoHS:否 制造商:Omron Electronics 輸出類(lèi)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 |
| MIC281-0YM6-TR | 功能描述:SENSOR TEMP I2C/SMBUS SOT23-6 制造商:microchip technology 系列:IttyBitty? 包裝:剪切帶（CT） 零件狀態(tài):有效 傳感器類(lèi)型:數(shù)字，遠(yuǎn)程 檢測(cè)溫度 - 本地:- 檢測(cè)溫度 - 遠(yuǎn)程:-55°C ~ 125°C 輸出類(lèi)型:I2C/SMBus 電壓 - 電源:3 V ~ 3.6 V 分辨率:7 b 特性:關(guān)斷模式 精度 - 最高（最低）:±3°C（±5°C） 測(cè)試條件:0°C ~ 100°C（-40°C ~ 125°C） 工作溫度:-55°C ~ 125°C 封裝/外殼:SOT-23-6 供應(yīng)商器件封裝:SOT-23-6 標(biāo)準(zhǔn)包裝:1 |
| MIC2811-4GJLYML TR | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Single DC/DC + 3 LDOs w/ Low Noise Bypass RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MIC2811-4GJLYML-TR | 功能描述:Handheld/Mobile Devices PMIC 16-MLF? (4x4) 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):停產(chǎn) 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電壓 - 電源:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤(pán)，16-MLF? 供應(yīng)商器件封裝:16-MLF?（4x4） 標(biāo)準(zhǔn)包裝:1 |
| MIC2811-4GMSYML TR | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Single DC/DC + 3 LDOs w/ Low Noise Bypass RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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