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MAX34446
PMBus Power-Supply Data Logger
DC ELECTRICAL CHARACTERISTICS (continued)
(V DD = 2.7V to 5.5V, T A = -40 N C to +105 N C, unless otherwise noted. Typical values are at V DD = 3.3V, T A = +25 N C.)
PARAMETER
ADC Full-Scale Voltage
ADC Full-Scale Temperature Drift
SYMBOL
CONDITIONS
T A = +25 N C
T A = -40 N C to +105 N C
MIN
1.22
-0.6
TYP
1.225
MAX
1.23
+0.6
UNITS
V
%
ADC Measurement Resolution
ADC Bit Resolution
RS+ Input Resistance
V LSB
R IN
12
15
300
F V
Bits
M I
ADC Integral Nonlinearity
ADC Offset
INL
V OFFSET
(Note 4)
Q 2
Q 8
LSB
LSB
Internal Temperature
Measurement Error
Remote Temperature
Measurement Error
(MAX3446 Error Only)
SYNC Frequency Range
T A = -40 N C to +85 N C
T A = -40 N C to +105 N C
T A = 0 N C to +60 N C,
T DIODE = +60 N C to +120 N C
T A = 0 N C to +60 N C,
T DIODE = -45 N C to +120 N C
T A = -40 N C to +105 N C,
T DIODE = -45 N C to +120 N C
-3
-3.5
-1.5
-1.75
-3.5
20
+3
+3.5
+1.5
+1.75
+3.5
500
N C
N C
kHz
SYNC Duty Cycle
Store Default All Time
Nonvolatile Log Write Time
Nonvolatile Log Delete Time
Nonvolatile Log Overwrite Time
40
50
37
37
775
40
60
%
ms
ms
ms
ms
Flash Endurance
Data Retention
Current or Voltage Sample Rate
Temperature Sample Rate
Device Startup Time
N FLASH
T A = +50 N C
T A = +50 N C
Per temperature sensor
Measurement from POR until monitoring
begins
20,000
100
500
1000
12
Write
Cycles
Years
F s
ms
ms
Maxim Integrated
3
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