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參數(shù)資料
| 型號(hào)： | LM95214 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Quad Remote Diode and Local Temperature Sensor with SMBus Interface |
| 中文描述： | 四遠(yuǎn)程二極管與本地溫度傳感器，帶有SMBus接口 |
| 文件頁(yè)數(shù)： | 7/38頁(yè) |
| 文件大小： | 448K |
| 代理商： | LM95214 |
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SMBus DIGITAL SWITCHING CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
=+3.0 Vdc to +3.6 Vdc, C
(load capacitance) on output lines = 80 pF.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
= +25°C, unless otherwise noted.
The switching characteristics of the LM95214 fully meet or exceed the published specifications of the SMBus version 2.0. The
following parameters are the timing relationships between SMBCLK and SMBDAT signals related to the LM95214. They adhere
to but are not necessarily the SMBus bus specifications.
Symbol
Parameter
f
SMB
SMBus Clock Frequency
Conditions
Typical
(Note 6)
Limits
(Note 7)
100
10
4.7
25
4.0
Units
(Limit)
kHz (max)
kHz (min)
μs (min)
ms (max)
μs (min)
t
LOW
SMBus Clock Low Time
from V
IN(0)
max to V
IN(0)
max
t
HIGH
t
R,SMB
t
F,SMB
t
OF
SMBus Clock High Time
from V
IN(1)
min to V
IN(1)
min
(Note 12)
SMBus Rise Time
1
μs (max)
SMBus Fall Time
(Note 13)
0.3
μs (max)
Output Fall Time
C
L
= 400 pF,
I
O
= 3 mA, (Note 13)
250
ns (max)
t
TIMEOUT
SMBDAT and SMBCLK Time Low for Reset of
Serial Interface (Note 14)
Data In Setup Time to SMBCLK High
25
35
250
300
1075
100
ms (min)
ms (max)
ns (min)
t
SU;DAT
t
HD;DAT
Data Out Stable after SMBCLK Low
ns (min)
ns (max)
ns (min)
t
HD;STA
Start Condition SMBDAT Low to SMBCLK Low
(Start condition hold before the first clock falling
edge)
Stop Condition SMBCLK High to SMBDAT Low
(Stop Condition Setup)
SMBus Repeated Start-Condition Setup Time,
SMBCLK High to SMBDAT Low
SMBus Free Time Between Stop and Start
Conditions
t
SU;STO
100
ns (min)
t
SU;STA
0.6
μs (min)
t
BUF
1.3
μs (min)
SMBus Communication
30006109
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating
the device beyond its rated operating conditions.
Note 2:
When the input voltage (V
I
) at any pin exceeds the power supplies (V
I
< GND or V
I
> V
DD
), the current at that pin should be limited to 5 mA.
Parasitic components and or ESD protection circuitry are shown in the table below for the LM95214's pins.
7
www.national.com
L
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PDF描述 |
|---|---|
| LM95214CISD | Quad Remote Diode and Local Temperature Sensor with SMBus Interface |
| LM95214CISDX | Quad Remote Diode and Local Temperature Sensor with SMBus Interface |
| LM95221CIMM | Dual Remote Diode Digital Temperature Sensor with SMBus Interface |
| LM95221CIMMX | Dual Remote Diode Digital Temperature Sensor with SMBus Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM95214CISD | 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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM95214CISD/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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM95214CISDX | 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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM95214CISDX/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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM95214EB/NOPB | 功能描述:溫度傳感器開(kāi)發(fā)工具 LM95214EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評(píng)估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
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