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參數(shù)資料
| 型號： | LM80CIMT-31 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Serial Interface ACPI-Compatible Microprocessor System Hardware Monitor |
| 中文描述： | 串行接口ACPI的兼容微處理器系統(tǒng)硬件監(jiān)視器 |
| 文件頁數(shù)： | 16/29頁 |
| 文件大?。?/td> | 435K |
| 代理商： | LM80CIMT-31 |
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Functional Description
(Continued)
7.0 TEMPERATURE MEASUREMENT SYSTEM
The LM80 bandgap type temperature sensor and ADC per-
form 9-bit or a 12-bit two’s-complement conversions of the
temperature. An 8-bit digital comparator is also incorporated
that compares the readings to the user-programmable Hot
and Overtemperature setpoints, and Hysteresis values.
7.1 Temperature Data Format
Temperature data can be read from the Temperature, T
,
T
hot hyst
, T
os
and T
os hyst
setpoint registers; and written to the
T
hot hyst
, T
os hyst
setpoint registers. T
set
point, T
set point, T
tempera-
ture data is represented by an 8-bit, two’s complement word
with an LSB (Least Significant Bit) equal to 1C:
Temperature
Digital Output
Binary
0111 1101
0001 1001
0000 0001
0000 0000
1111 1111
1110 0111
1100 1001
Hex
7Dh
19h
01h
00h
FFh
E7h
C9h
+125C
+25C
+1.0C
+0C
1.0C
25C
55C
DS100040-20
(Non-Linear Scale for Clarity)
FIGURE 8. 9-bit Temperature-to-Digital Transfer
Function
DS100040-16
(Non-Linear Scale for Clarity)
FIGURE 9. 12-bit Temperature-to-Digital Transfer
Function
www.national.com
16
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| LM80CIMT5 | 制造商:Texas Instruments 功能描述: |
| LM80CIMT-5 | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| LM80CIMT-5/NOPB | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| LM80CIMT-5/NOPB | 制造商:Texas Instruments 功能描述:Temperature Sensor IC |
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