ADT7421ARMZ-2RL View Datasheet(PDF) - ON Semiconductor
Part Name
Description
MFG CO.
ADT7421ARMZ-2RL
ON Semiconductor
ADT7421ARMZ-2RL Datasheet PDF : 20 Pages
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ADT7421
MAXIMUM RATINGS
Parameter
Rating
Positive Supply Voltage (VDD) to GND
D+
D− to GND
−0.3 V, +3.6 V
−0.3 V to VDD + 0.3 V
−0.3 V to +0.6 V
SCL, SDA, ALERT, THERM
Input Current, SDA, THERM2
−0.3 V to VDD +0.3 V
−1 mA, +50 mA
Input Current, D−
−1 mA
ESD Rating, All Pins (Human Body Model)
1500 V
ESD Rating, All Pins (Machine Model)
100 V
Maximum Junction Temperature (TJ Max)
150°C
Storage Temperature Range
−65°C to +150°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.
THERMAL RESISTANCE
8−Lead MSOP
Package Type
qJA
qJC
Unit
142
43.74
°C/W
SMBus Timing Specifications
Parameter (Note 1)
Limit at TMIN and TMAX
fSCLK
400
tLOW
1.3
tHIGH
0.6
tR
300
tF
300
tSU; STA
600
tHD; STA (Note 2)
600
tSU; DAT (Note 3)
100
tSU; STO (Note 4)
600
tBUF
1.3
1. Guaranteed by design, but 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.
Unit
kHz max
ms min
ms min
ns max
ns max
ns min
ns min
ns min
ns min
ms min
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
SCLK
SDATA
tBUF
STOP START
tLOW
tR
tHD;STA
tHD;DAT
tF
tHIGH
tSU;DAT
tHD;STA
tSU;STA
START
Figure 2. Serial Bus Timing
http://onsemi.com
3
tSU;STO
STOP
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