參數(shù)資料
型號(hào)： LM83CIMQAX
廠商： National Semiconductor Corporation
元件分類： 溫度/濕度傳感器
英文描述： Triple-Diode Input and Local Digital Temperature Sensor with Two-Wire Interface
中文描述： 三二極管輸入和本地?cái)?shù)字溫度傳感器兩線接口
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 331K
代理商： LM83CIMQAX
Logic Electrical Characteristics
(Continued)
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
) at any pin exceeds the power supplies (V
<
GND or V
>
V
), the current at that pin should be limited to 5 mA. The 20 mA
maximum package input current rating limits the number of pins that can safely exceed the power supplies with an input current of 5 mA to four.
Parasitic components and or ESD protection circuitry are shown in the figure below for the LM83’s pins. The nominal breakdown voltage of the zener D3 is 6.5 V.
Care should be taken not to forward bias the parasitic diode, D1, present on pins: D+, D,ADD1 andADD0. Doing so by more than 50 mV may corrupt a temperature
or voltage measurement.
Pin Name
D1
D2
D3
D4
Pin Name
T_CRIT_A & INT
SMBData
NC (pins 9 & 15)
SMBCLK
NC (pin 13)
D1
D2
x
x
x
x
x
D3
D4
V
CC
D+
D
ADD0, ADD1
Note: An x indicates that the diode exists.
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Note 3:
See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” or the section titled “Surface Mount” found in a current National Semicon-
ductor Linear Data Book for other methods of soldering surface mount devices.
Note 4:
Human body model, 100 pF discharged through a 1.5 k
resistor. Machine model, 200 pF discharged directly into each pin.
Note 5:
Thermal resistance of the QSOP-16 package is xyzC/W, junction-to-ambient when attached to a printed circuit board with 2 oz. foil as shown in Figure 3
.
SMBus TIMEOUT
DS101058-7
See drawing DS10105807
DS101058-13
FIGURE 1. ESD Protection Input Structure
L
www.national.com
7
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