Datasheet

MAX34451 PMBus 16-Channel V/I Monitor and
12-Channel Sequencer/Marginer
www.maximintegrated.com
Maxim Integrated │ 4
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
andV
DDA
=3.0Vto3.6V,T
A
=-40°Cto+85°C,unlessotherwisenoted.TypicalvaluesareatV
DD
/V
DDA
=3.3V,T
A
=+25°C.)
(Note2)
I
2
C/SMBus INTERFACE ELECTRICAL SPECIFICATIONS
(V
DD
andV
DDA
=3.0Vto3.6V,T
A
=-40°Cto+85°C,unlessotherwisenoted.TypicalvaluesareatV
DD
/V
DDA
=3.3V,T
A
=+25°C.)
Note 1: Allvoltagesarereferencedtoground.Currententeringthedevicearespecifiedaspositiveandcurrentsexitingthedevice
are negative.
Note 2:
 Limitsare100%productiontestedatT
A
=+25°C.Limitsovertheoperatingtemperaturerangeandrelevantsupplyvoltage
range are guaranteed by design and chacterization.
Note 3:
 Thisdoesnotincludepininput/outputcurrents.
Note 4: Guaranteedbydesign.
Note 5: Theround-robinthresholdexcursionratecanbechangedwiththeADC_AVERAGEandADC_TIMEbitsinMFR_MODE
from16µs(noaveragingand1µsconversion)to1024µs(8xaveragingand8µsconversion).
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
TIMING OPERATING CHARACTERISTICS
Round-RobinVoltageand
CurrentSampleRate
Thresholdexcursion(Note5) 64 µs
Data collection 5 ms
TemperatureSampleRate 1000 ms
DeviceStartupTime
WithMFR_STORE_SINGLEdata 170
ms
WithoutMFR_STORE_SINGLEdata 90
PWMFrequency PWMpower-supplymargining 312.5 kHz
PWMResolution PWMpower-supplymargining 8 Bits
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCLClockFrequency f
SCL
10 400 kHz
MSCLClockFrequency f
MSCL
100 kHz
BusFreeTimeBetweenSTOP
andSTARTConditions
t
BUF
1.3 µs
HoldTime(Repeated)
STARTCondition
t
HD:STA
0.6 µs
LowPeriodofSCL t
LOW
1.3 µs
HighPeriodofSCL t
HIGH
0.6 µs
Data Hold Time t
HD:DAT
Receive 0
ns
Transmit 300
DataSetupTime t
SU:DAT
100 ns
StartSetupTime t
SU:STA
0.6 µs
SDAandSCLRiseTime t
R
300 ns
SDAandSCLFallTime t
F
300 ns
StopSetupTime t
SU:STO
0.6 µs
ClockLowTimeout t
TO
25 27 35 ms