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參數(shù)資料
| 型號： | LM94 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | TruTherTM Hardware Monitor with PI Loop Fan Control for Server Management |
| 中文描述： | TruTherTM硬件監(jiān)控的服務器管理與有價證券循環(huán)風扇控制 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 693K |
| 代理商： | LM94 |
16.0 Timing Waveform
20112403
17.0 Electrical Notes
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed
specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test
conditions.
Note 2:
All voltages are measured with respect to GND, unless otherwise noted.
Note 3:
When the input voltage (V
) at any pin exceeds the power supplies (V
<
(GND or AGND) or V
>
V
, except for analog voltage inputs), the current
at that pin should be limited to 10 mA. The 100 mA maximum package input current rating limits the number of pins that can safely exceed the power supplies with
an input current of 10 mA to ten. Parasitic components and/or ESD protection circuitry are shown below for the LM94’s pins. Care should be taken not to forward
bias the parasitic diode, D1, present on pins D+ and D as shown in circuits C and D. Doing so by more than 50 mV may corrupt temperature measurements. D1
and the ESD Clamp are connected between V+ (V
DD
, AD_IN16) and GND as shown in circuit B. SNP stands for snap-back device.
Symbol
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Circuit
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B (Internally
shorted to
GND pin.)
A
C
D
C
D
All Input Circuits
GPIO_0/TACH1
GPIO_1/TACH2
GPIO_2/TACH3
GPIO_3/TACH4
GPIO_4 / P1_THERMTRIP
GPIO_5 / P2_THERMTRIP
GPIO_6
GPIO_7
VRD1_HOT
VRD2_HOT
SCSI_TERM1
SCSI_TERM2
SMBDAT
SMBCLK
ALERT/XtestOut
RESET
AGND
Circuit A
Circuit B
V
REF
REMOTE1–
REMOTE1+
REMOTE2–
REMOTE+
18
19
20
21
22
L
www.national.com
21
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM94021 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Multi-Gain Analog Temperature Sensor |
| LM94021BIMG | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM94021BIMG/NOPB | 功能描述:板上安裝溫度傳感器 Lo Volt Temp Sensor W/ Selectable Gain RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM94021BIMGX | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM94021BIMGX/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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