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MCP9802A2T-M/OT

更新时间： 2024-11-13 15:41:15
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美国微芯 - MICROCHIP /
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MCP9802A2T-M/OT

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MCP9802A2T-M/OT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：TSOP5/6,.11,37
Reach Compliance Code：compliantFactory Lead Time：19 weeks
风险等级：5.8安装特点：SURFACE MOUNT
端子数量：5最大工作电流：0.4 mA
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：PLASTIC/EPOXY封装等效代码：TSOP5/6,.11,37
封装形状/形式：RECTANGULAR电源：3/5 V
子类别：Other Sensors/Transducers表面贴装：YES
Base Number Matches：1

MCP9802A2T-M/OT 数据手册

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MCP9800/1/2/3  
2-Wire High-Accuracy Temperature Sensor  
Features  
Description  
• Temperature-to-Digital Converter  
• Accuracy with 12-bit Resolution:  
- ±0.5°C (typ.) at +25°C  
Microchip Technology Inc.’s MCP9800/1/2/3 family of  
digital temperature sensors converts temperatures  
between -55°C and +125°C to a digital word. They  
provide an accuracy of ±1°C (max.) from -10°C to  
+85°C.  
- ±1°C (max.) from -10°C to +85°C  
- ±2°C (max.) from -10°C to +125°C  
- ±3°C (max.) from -55°C to +125°C  
• User-selectable Resolution: 9 – 12 bit  
• Operating Voltage Range: 2.7V to 5.5V  
• 2-wire Interface: I2C™/SMBus Compatible  
• Operating Current: 200 µA (typ.)  
• Shutdown Current: 1 µA (max.)  
The MCP9800/1/2/3 family comes with user-program-  
mable registers that provide flexibility for temperature  
sensing applications. The register settings allow user-  
selectable 9-bit to 12-bit temperature measurement  
resolution, configuration of the power-saving Shutdown  
and One-shot (single conversion on command while in  
the Shutdown) modes and the specification of both  
temperature alert output and hysteresis limits. When  
the temperature changes beyond the specified limits,  
the MCP9800/1/2/3 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 temperature event interrupt  
output for microprocessor-based systems.  
• Power-saving One-shot Temperature  
Measurement  
• Available Packages: SOT-23-5, MSOP-8, SOIC-8  
Typical Applications  
• Personal Computers and Servers  
• Hard Disk Drives and Other PC Peripherals  
• Entertainment Systems  
This sensor has an industry standard 2-wire, I2C™/  
SMBus compatible serial interface, allowing up to eight  
devices to be controlled in a single serial bus. These fea-  
tures make the MCP9800/1/2/3 ideal for sophisticated  
multi-zone temperature-monitoring applications.  
• Office Equipment  
• Data Communication Equipment  
• Mobile Phones  
Package Types  
• General-purpose Temperature Monitoring  
MCP9800  
MCP9802  
MCP9801  
MCP9803  
Typical Application  
SOT-23-5  
SOIC, MSOP  
VDD  
PICmicro®  
Microcontroller  
V
V
SDA  
SDA  
1
2
3
4
8
7
6
5
DD 1  
5
4
DD  
SCLK  
A0  
GND  
2
MCP9800/02  
R
PIC16F737  
A1  
A2  
SCLK  
ALERT  
3
ALERT  
GND  
VDD  
1
2
3
5
SDA  
GND  
SCLK  
MCP9800/02A0: A2, A1, A0 are internally set to (0, 0, 0)  
MCP9800/02A5: A2, A1, A0 are internally set to (1, 0, 1)  
MCP9802/03: Serial Bus time-out 35 ms (typ.)  
ALERT  
4
I/O Port  
RPULL-UP  
2004 Microchip Technology Inc.  
DS21909B-page 1  
1234567...30

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