TMP139AIYAHT datasheet(5/58 Pages) TI

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6.5 Electrical Characteristics

at TA = −40 °C to +125 °C, VDDIO = 0.95 V to 1.05 V and VDDSPD = 1.7 V to 1.98 V (unless noted); typical specification are at

TA = 25 °C, VDDIO = 1 V and VDDSPD =1.8 V

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

TEMPERATURE INPUT

TERR

Temperature Accuracy

+75 °C to +95 °C

±0.25

±0.5

°C

–40 °C to +125 °C

±0.25

±0.75

°C

TRES

Resolution

1 LSB (11-bit)

0.25

°C

TREPEAT

Repeatability(1)

LSB

tACT

Active conversion time

5.5

tCONV

Conversion interval

125

THYST

Temperature Hysteresis

°C

DIGITAL INPUT/OUTPUT

CIN

Input capacitance(2)

Input capacitance (SCL and SDA)

RON

Output pullup and pulldown

driver impedance

SDA pin

100

Ω

ILI

Leakage input current

-1

µA

ILO

Leakage output current

-1

µA

VIL

Low-level input logic

–0.3

0.3

VIH

High-level input logic

0.7

1.35

VHYS

Input voltage hysteresis

SCL and SDA pins

100

VOL

Low-level output logic

SDA pin, IOL = –3 mA

0.3

VOH

High-level output logic

SDA pin, IOH = 3 mA

0.75

SLEW_RATE

Output slew rate(2)

SDA pin

0.1

1.0

V/ns

POWER SUPPLY

Average current (serial bus

inactive)

125-ms conversion interval

4.7

µA

IDDR

Average current (read

operation)

125-ms conversion interval, fSCL = 12.5 MHz

µA

IDDW

Average current (write

operation)

125-ms conversion interval, fSCL = 12.5 MHz

µA

IACT

Active current

During 5.5-ms active conversion

140

µA

IDD1

Standby current

Between active conversion during continuous

conversion

0.6

µA

VPON

Power-on reset threshold

Monotonic rise between VPON and VDDSPD(MIN)

1.6

VPOFF

Power-off reset threshold for

warm power on cycle

No ringback above VPOFF

0.3

tINIT

Initialization time after

Power-on reset(2)

Figure 7-2

10.0

tPOFF

Warm power cycle off time(2) Figure 7-3

1.0

tSENSE_SA

Time from valid VDDSPD

supply to sense SA pin for

LID code assignment(2)

Figure 7-2

5.0

tRST

Device reinitialization time(2)

(3)

µs

(1)

Repeatability is the ability to reproduce a reading when the measured temperature is applied consecutively, under the same conditions.

(2)

Parameter is specified by design

(3)

Parameter is specified for RSTDAA Common Command Code

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TMP139

SNIS217 – DECEMBER 2020

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