6.5 Electrical Characteristics

Minimum and maximum specifications are over -55°C to 130°C and VDD = 1.62V - 5.5V (unless otherwise noted); typical

specifications are at TA = 25°C and VDD = 3.3 V.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TEMPERATURE TO DIGITAL CONVERTER

TEMPERATURE MEASUREMENT

Trip Point Accuracy

TMP390A2

0°C to 70°C, VDD = 2.5V

to 5.5V

-1.5

±0.5

1.5

°C

0°C to 70°C, VDD = 1.62V

to 2.5V

-2.0

±0.5

2.0

-55°C to 130°C, VDD =

2.5V to 5.5V

-2.5

±0.5

2.5

-55°C to 130°C, VDD =

1.62V to 2.5V

-3.0

±0.5

3.0

TMP390A3

0°C to 70°C

-2.0

±0.5

2.0

°C

-55°C to130°C

-3.5

3.5

°C

THYST

Trip point hysteresis

Table 7-2 selection column 2

5

°C

Table 7-2 selection column 3

10

°C

Channel A only when SETB connected to

GND

20

°C

TRIP POINT RESISTOR PROGRAMMING

SETA resistor range

1.05

909

kΩ

SETB resistor range

10.5

909

kΩ

SETA & SETB resistor tolerance

TA=25°C

-1.0

1.0

%

SETA & SETB resistor

temperature coefficient

-100

100

ppm/°C

SETA & SETB resistor lifetime drift

-0.2

0.2

%

DIGITAL INPUT/OUTPUT

CIN

Input capacitance for SETA &

SETB (includes PCB)

50

pF

RPD

Internal Pull down resistance

SETA & SETB

125

kΩ

VOL

Output logic low level

IOL = -3 mA

0

0.4

V

ILKG

Leakage current on output high

level

-0.1

0.1

µA

TCov

Conversion duration

0.65

ms

TS

Sampling period

0.5

s

POWER SUPPLY

IQ

Average Quiescent current

VDD = 1.62V to 3.3V

0.5

1

μA

IStandby

Standby current

0.25

IConv

Conversion current

135

μA

ISU

Startup (Reset) peak current

Reset Time interval only.

250

μA

VPOR

Power-on-reset threshold voltage

Supply going up

1.5

V

Brownout detect

Supply going down

1.1

V

Power Reset Time

Time required by device to reset after

power up

10

ms

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TMP390

SBOS904A – MAY 2019 – REVISED AUGUST 2020

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