MAX31782 Просмотр технического описания (PDF) - Maxim Integrated

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производитель

MAX31782

System Management Microcontroller

Maxim Integrated 

System Management Microcontroller

DC ELECTRICAL CHARACTERISTICS (continued)

(VDD = 2.7V to 5.5V, TA = -40NC to +85NC, unless otherwise noted. Typical values are at VDD = 3.3V, TA = +25NC, unless otherwise

noted.)

PARAMETER

System Clock Startup

SYMBOL

CONDITIONS

tSU:MOSC From POR, MOSC inactive

MIN TYP MAX UNITS

1000

MOSC

Cycles

Output Logic-Low

VOL IOL = 4mA (Note 1)

0.4

V

Output Logic-High (all pins

except SDA, SLL, MSDA, MSCL)

GPIO Mode Pullup Current

ADC Voltage Conversion Time

ADC Temperature Conversion

Time

ADC Internal Reference

ADC Voltage Measurement Error

ADC Internal Reference

Temperature Drift

VOH

IPU

tCONV_V

tCONV_T

VERR

IOH = -2mA (Note 1)

VPIN = VSS, VDD = 3.3V

(Note 4)

(Note 4)

VDD -

0.5

V

38

55

107

FA

137 150

µs

7

ms

1.225

V

-1

+1

%

-0.5

+0.5

%

ADC Internal Reference Initial

Accuracy (+25NC)

-1

+1

mV

ADC External Reference Buffer

Accuracy

(Note 5)

Q0.25

%

ADC Operating Current

ADC Full-Scale Input Voltage

(Note 6)

ADC Measurement Resolution

ADC Bit Resolution

AD0P–AD5P Input Resistance

ADC Integral Nonlinearity

ADC Offset

Internal Temperature

Measurement Error

IADC This current is in addition to ICPU

2.2

mA

ADGAIN = 0, factory set, internal reference 1.213 1.225 1.237

VFS

ADGAIN = 1, factory set, internal reference 5.445 5.5 5.555

V

VLSB

ADGAIN = 0

ADGAIN = 1

300

FV

1343

12

Bits

RIN

15

MI

INL (Note 7)

Q8

LSB

VOFFSET

Q2

LSB

TA = -40NC to +85NC

-3

+3

NC

Remote Temperature

Measurement Error

(MAX31782 Error Only)

TA = 0NC to +60NC,

TDIODE = +60NC to +120NC

TA = 0NC to +60NC,

TDIODE = -45NC to +120NC

TA = -40NC to +85NC,

TDIODE = +60 to +120NC

TA = -40NC to +85NC,

TDIODE = -45NC to +120NC

-1.5

-1.75

-2.75

-3.0

+1.5

+1.75

NC

+2.75

+3.0

3

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