DS3501UT datasheet(3/14 Pages) MAXIM

3 / 14 page

High-Voltage, NV, I2C POT with Temp Sensor

and Lookup Table

_____________________________________________________________________

ANALOG VOLTAGE MONITORING CHARACTERISTICS

(VCC = +2.7V to +5.5V, TA = -40°C to +100°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Resolution

LSB

Full-scale voltage of 6.5536V

25.6

Input/Supply Accuracy

ACC

At factory setting

0.25

% FS

(Full

Scale)

Input Supply Offset

VOS

(Note 7)

LSB

Update Rate (Temperature and

Supply Conversion Time)

tFRAME

TEMPERATURE SENSOR CHARACTERISTICS

(VCC = +2.7V to +5.5V, TA = -40°C to +100°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Temperature Error

±5

°C

Update Rate (Temperature and

Supply Conversion Time)

tFRAME

VOLTAGE-DIVIDER CHARACTERISTICS

(VCC = +2.7V to +5.5V, TA = -40°C to +100°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Integral Nonlinearity

INL

(Note 8)

-1

LSB

Differential Nonlinearity

DNL

(Note 9)

-0.5

+0.5

LSB

Zero-Scale Error

ZSERROR

V+ = 4.5V

(Note 10)

0.5

LSB

Full-Scale Error

FSERROR

V+ = 4.5V

(Note 11)

-2

-0.003

LSB

Ratiometric Temp Coefficient

TCV

WR set to 40h

±4

ppm/°C

I2C AC ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +5.5V, TA = -40°C to +100°C, timing referenced to VIL(MAX) and VIH(MIN). See Figure 3.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SCL Clock Frequency

fSCL

(Note 12)

400

kHz

Bus Free Time Between STOP

and START Conditions

tBUF

1.3

µs

Hold Time (Repeated) START

Condition

tHD:STA

0.6

µs

Low Period of SCL

tLOW

1.3

µs

High Period of SCL

tHIGH

0.6

µs

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