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參數資料
| 型號： | MCP9808T-E/MS |
| 廠商： | Microchip Technology |
| 文件頁數： | 1/52頁 |
| 文件大小： | 1085K |
| 描述： | IC TEMP SENSOR DGTL I2C 8MSOP |
| 標準包裝： | 2,500 |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部 |
| 感應溫度： | -40°C ~ 125°C |
| 精確度： | ±1°C |
| 拓撲： | ADC（三角積分型），寄存器庫 |
| 輸出類型： | 2 線串行，I²C?/SMBUS? |
| 輸出警報： | 是 |
| 輸出風扇： | 是 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
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?2011 Microchip Technology Inc.
DS25095A-page 1
MCP9808
Features
" Accuracy:
- ?.25 (typical) from -40癈 to +125癈
- ?.5癈 (maximum) from -20癈 to 100癈
- ?癈 (maximum) from -40癈 to +125癈
" User-Selectable Measurement Resolution:
- +0.5癈, +0.25癈, +0.125癈, +0.0625癈
" User-Programmable Temperature Limits:
- Temperature Window Limit
- Critical Temperature Limit
" User-Programmable Temperature Alert Output
" Operating Voltage Range: 2.7V to 5.5V
" Operating Current: 200 礎 (typical)
" Shutdown Current: 0.1 礎 (typical)
" 2-wire Interface: I
2
C"/SMBus Compatible
" Available Packages: 2x3 DFN-8, MSOP-8
Typical Applications
" General Purpose
" Industrial Applications
" Industrial Freezers and Refrigerators
" Food Processing
" Personal Computers and Servers
" PC Peripherals
" Consumer Electronics
" Handheld/Portable Devices
Temperature Accuracy
Description
Microchip Technology Inc.s MCP9808 digital
temperature sensor converts temperatures between
-20癈 and +100癈 to a digital word with
?.25癈/?.5癈 (typical/maximum) accuracy.
The MCP9808 comes with user-programmable registers
that provide flexibility for temperature sensing
applications. The registers allow user-selectable
settings such as Shutdown or Low-Power modes and
the specification of temperature Alert window limits and
critical output limits. When the temperature changes
beyond the specified boundary limits, the MCP9808
outputs an Alert signal. The user has the option of setting
the Alert output signal polarity as an active-low or active-
high comparator output for thermostat operation, or as a
temperature Alert interrupt output for microprocessor-
based systems. The Alert output can also be configured
as a critical temperature output only.
This sensor has an industry standard 400 kHz, 2-wire,
SMBus/I
2
C compatible serial interface, allowing up to
eight or sixteen sensors to be controlled with a single
serial bus (see Table 3-2 for available Address codes).
These features make the MCP9808 ideal for
sophisticated, multi-zone, temperature-monitoring
applications.
Package Types
0%
10%
20%
30%
40%
Temperature Accuracy (癈)
T
A
= -20癈, 25癈, 85癈, 100癈
V
DD
= 3.3V
854 units
8-Pin 2x3 DFN*
1
2
3
4
8-Pin MSOP
8
7
6
5
* Includes Exposed Thermal Pad (EP); see Table 3-1.
A1
A0
A2
SCL
Alert
1
2
3
4
8
7
6
5
GND
SDA
V
DD
EP
9
SCL
Alert
GND
SDA
A1
A0
A2
V
DD
?.5癈 Maximum Accuracy Digital Temperature Sensor
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