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| 型号： | MCP9802A5T-M/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 3/42页 |
| 文件大小： | 0K |
| 描述： | IC TEMP SNSR 12BIT 2WIRE SOT23-5 |
| 标准包装： | 1 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC（三角积分型），寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 无 |
| 输出风扇： | 是 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 683 (CN2011-ZH PDF) |
| 其它名称： | MCP9802A5T-M/OTDKR |
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MCP9800/1/2/3
1.0
ELECTRICAL
CHARACTERISTICS
?Notice: Stresses above those listed under “Maximum
ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
Absolute Maximum Ratings ?
V DD ....................................................................... 6.0V
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
Voltage at all Input/Output pins .....GND – 0.3V to 5.5V
Storage temperature .......................... -65°C to +150°C
Ambient temp. with power applied ..... -55°C to +125°C
Junction Temperature (T J ) ................................. 150°C
ESD protection on all pins (HBM:MM) .......(4 kV:400V)
Latch-Up Current at each pin ........................ ±200 mA
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, V DD = 2.7V to 5.5V, GND = Ground, and
T A = -55°C to +125°C.
Parameters
Sym
Min
Typ
Max
Unit
Conditions
Power Supply
Operating Voltage Range
V DD
2.7
—
5.5
V
Operating Current
Shutdown Current
Power-on-Reset Threshold (POR)
Line Regulation
I DD
I SHDN
V POR
Δ °C/ Δ V
—
—
—
—
200
0.1
1.7
0.2
400
1
—
—
μA
μA
V
°C/V
Continuous Operation
Shutdown mode
V DD falling edge
V DD = 2.7V to 5.5V
Temperature Sensor Accuracy
Accuracy with 12-bit Resolution:
T A = +25°C
-10°C < T A ? +85°C
-10°C < T A ? +125°C
-55°C < T A ? +125°C
T ACY
T ACY
T ACY
T ACY
—
-1.0
-2.0
-3.0
±0.5
—
—
—
—
+1.0
+2.0
+3.0
°C
°C
°C
°C
V DD = 3.3V
V DD = 3.3V
V DD = 3.3V
V DD = 3.3V
Internal ?? ADC
Conversion Time:
9-bit Resolution
10-bit Resolution
11-bit Resolution
12-bit Resolution
t CONV
t CONV
t CONV
t CONV
—
—
—
—
30
60
120
240
75
150
300
600
ms
ms
ms
ms
33 samples/sec (typical)
17 samples/sec (typical)
8 samples/sec (typical)
4 samples/sec (typical)
Alert Output (Open-drain)
High-level Current
Low-level Voltage
I OH
V OL
—
—
—
—
1
0.4
μA
V
V OH = 5V
I OL = 3 mA
Thermal Response
Response Time
t RES
—
1.4
—
s
Time to 63% (89°C)
27°C (Air) to 125°C (oil bath)
? 2010 Microchip Technology Inc.
DS21909D-page 3
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