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| 型号： | NCT75MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/15页 |
| 文件大小： | 181K |
| 描述： | IC SENSOR TEMP DGTL 8DFN |
| 标准包装： | 3,000 |
| 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： | ±3°C |
| 拓扑： | ADC（三角积分型），控制逻辑，寄存器库 |
| 输出类型： | 2 线串行，I²C?/SMBUS? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（2x2） |
| 包装： | 带卷 (TR) |
NCT75
http://onsemi.com
4
Table 5. ELECTRICAL CHARACTERISTICS
(T
A
= T
MIN
to T
MAX
, V
DD
= 3.0 V to 5.5 V. All specifications for 55癈 to +125癈, unless otherwise noted.)
Parameter
Test Conditions
Min
Typ
Max
Unit
TEMPERATURE SENSOR AND ADC
Accuracy at V
DD
= 3.0 V to 5.5 V
T
A
= 0癈 to +70癈
T
A
= 25癈 to +100癈
T
A
= 55癈 to +125癈
?
?
?
癈
ADC Resolution
12
Bits
Temperature Resolution
0.0625
癈
Temperature Conversion Time
One-shot Mode
48.5
ms
Update Rate
80
ms
POWER REQUIREMENTS
Supply Voltage
3.0
5.5
V
POR Threshold
2.75
V
Supply Current
Peak Current while Converting and I
2
C
Interface Inactive
0.8
mA
Average Current
Average Current over 1 Conversion Cycle
0.44
0.575
mA
Shutdown Mode at 3.3 V
Supply Current in Shutdown Mode
3
12
mA
OS
/ALERT
OUTPUT (OPEN DRAIN)
Output Low Voltage, V
OL
I
OL
= 4 mA
0.15
0.4
V
Pin Capacitance
10
pF
High Output Leakage Current, IOH
OS
/ALERT
Pin Pulled Up to 5.5 V
0.1
5
mA
DIGITAL INPUTS (SDA, SCL)
Input Current
V
IN
= 0 V to V
DD
1
mA
Input Low Voltage, V
IL
V
DD
= 3.3 V (Note 3)
0.3 x V
DD
V
Input High Voltage, V
IH
V
DD
= 3.3 V (Note 3)
0.7xV
DD
V
SCL, SDA Glitch Rejection
Input Filtering Suppresses Noise Spikes of
Less than 50 ns
50
ns
Pin Capacitance
3
pF
DIGITAL OUTPUT (SDA) (OPEN DRAIN)
Output High Current, I
OH
V
OH
= 5 V
1
mA
Output Low Voltage, V
OL
I
OL
= 3 mA
0.4
V
Output Capacitance, C
OUT
3
pF
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
3. Guaranteed by characterization, not production tested.
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