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SMBus Communication
20147809
Note 2:
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 3:
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.
Note 4:
Reflow temperature profiles are different for lead-free and non-lead-free packages.
Note 5:
Human body model, 100 pF discharged through a 1.5 k
resistor. Machine model, 200 pF discharged directly into each pin.
Note 6:
Typicals are at T
A
= 25C and represent most likely parametric norm.
Note 7:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8:
Local temperature accuracy does not include the effects of self-heating. The rise in temperature due to self-heating is the product of the internal power
dissipation of the LM73 and the thermal resistance.
Note 9:
This specification is provided only to indicate how often temperature data is updated. The LM73 can be read at any time without regard to conversion state
(and will yield last conversion result).
Note 10:
The output fall time is measured from (V
IL;MAX
- 0.15V) to (V
IH;MIN
+ 0.15V).
Note 11:
Holding the SMBDAT and/or SMBCLK lines Low for a time interval greater than t
TIMEOUT
will reset the LM73’s SMBus state machine, setting SMBDAT
and SMBCLK pins to a high impedance state.
Note 12:
Represents the time from V
reaching the power-on-reset level to the LM73 communications being functional. After an additional time equal to one
temperature conversion time, valid temperature will be available in the Temperature Register.
Note 13:
A write to an invalid pointer address is not allowed. If the master writes an invalid address to the Pointer Register, (1) the LM73 will not acknowledge the
address and (2) the Pointer Register will continue to contain the last value stored in it.
L
www.national.com
6
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| LM73 | 2.7V, SOT-23, 11-to-14 Bit Digital Temperature Sensor with 2-Wire Interface |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM73CIMKX-1/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 |
| LM73EVAL | 功能描述:BOARD EVALUATION FOR LM73 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 傳感器 系列:PowerWise® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| LM73EVAL/NOPB | 功能描述:溫度傳感器開發(fā)工具 LM73 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:Temperature Sensors and Control ICs 工具用于評估:MSP430G2553 接口類型:USB 工作電源電壓: 工作電源電流: |
| LM74 | 功能描述:基本/快動開關(guān) Foot Switch RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:SPDT 執(zhí)行器:Lever 電流額定值:5 A 電壓額定值 AC:250 V 電壓額定值 DC:30 V 功率額定值: 工作力:120 g IP 等級:IP 67 NEMA 額定值: 端接類型:Wire 安裝:Panel |
| LM74_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SPI/MICROWIRE⑩ 12-Bit Plus Sign Temperature Sensor |
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