ADT7483A(2012) Ver la hoja de datos (PDF) - ON Semiconductor
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ADT7483A Datasheet PDF : 20 Pages
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ADT7483A
Table 2. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
Positive Supply Voltage (VDD) to GND
D+
D− to GND
−0.3, +3.6
V
−0.3 to VDD + 0.3
V
−0.3 to +0.6
V
SCLK, SDATA, ALERT, THERM
−0.3 to +3.6
V
Input Current, SDATA, THERM
−1, +50
mA
Input Current, D−
1
mA
ESD Rating, All Pins (Human Body Model)
1,500
V
Maximum Junction Temperature (TJ MAX)
Storage Temperature Range
150
C
−65 to +150
C
IR Reflow Peak Temperature
220
C
IR Reflow Peak Temperature Pb-Free
260
C
Lead Temperature (Soldering 10 sec)
300
C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
NOTE: This device is ESD sensitive. Use standard ESD precautions when handling.
Table 3. THERMAL CHARACTERISTICS
Package Type
16-lead QSOP
qJA
qJC
Unit
150
38.8
C/W
Table 4. SMBus TIMING SPECIFICATIONS (Note 1)
Parameter
fSCLK
tLOW
tHIGH
tR
tF
tSU; STA
tHD; STA
(Note 2)
Limit at TMIN and TMAX
400
4.7
4.0
1.0
300
4.7
4.0
Unit
kHz max
ms min
ms min
ms max
ns max
ms min
ms min
tSU; DAT
(Note 3)
250
ns min
tSU; STO
(Note 4)
4.0
ms min
tBUF
4.7
1. Guaranteed by design, not production tested.
2. Time from 10% of SDATA to 90% of SCLK.
3. Time for 10% or 90% of SDATA to 10% of SCLK.
4. Time for 90% of SCLK to 10% of SDATA.
ms min
SCLK
t LOW
tR
tHD; STA
tHD; DAT
tF
tHIGH
Description
Clock Low Period, between 10% Points
Clock High Period, between 90% Points
Clock/Data Rise Time
Clock/Data Fall Time
Start Condition Setup Time
Start Condition Hold Time
Data Setup Time
Stop Condition Setup Time
Bus Free Time between Stop and Start Conditions
tSU; DAT
t HD; STA
tSU; STA
tSU; STO
SDATA
tBUF
STOP START
START
Figure 2. Serial Bus Timing
STOP
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