TMP468AIYFFR datasheet(6/49 Pages) TI2

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TMP468

SBOS762B – NOVEMBER 2016 – REVISED JUNE 2017

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6.5 Electrical Characteristics

at TA = –40°C to +125°C and V+ = 1.7 V to 3.6 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TEMPERATURE MEASUREMENT

TLOCAL

Local temperature sensor accuracy

TA = 20°C to 30°C, V+ = 1.7 V to 2 V (DSBGA)

–0.35

±0.125

0.35

°C

TA = –40°C to 125°C, V+ = 1.7 V to 2 V (DSBGA)

–0.75

±0.125

0.75

°C

TA = –40°C to 100°C, V+ = 1.7 V to 3.6 V (VQFN)

TA = –40°C to 125°C, V+ = 1.7 V to 3.6 V

–1

±0.5

°C

TREMOTE

Remote temperature sensor accuracy

(DSBGA):

TA = –10°C to 50°C, TD = –55°C to 150°C

V+ = 1.7 V to 3.6 V

–0.75

±0.125

0.75

°C

(VQFN):

TA = –10°C to 85°C, TD = –55°C to 150°C

V+ = 1.7 V to 3.6 V

TA = –40°C to 125°C, TD = –55°C to 150°C

V+ = 1.7 V to 3.6 V

–1

±0.5

Local temperature error supply sensitivity

V+ = 1.7 V to 3.6 V

–0.15

±0.05

0.15

°C/V

Remote temperature error supply sensitivity

V+ = 1.7 V to 3.6 V

–0.25

±0.1

0.25

°C/V

Temperature resolution

(local and remote)

0.0625

°C

ADC conversion time

One-shot mode, per channel (local or remote)

ADC resolution

Bits

Remote sensor

source current

High

Series resistance 1 kΩ (maximum)

120

µA

Medium

Low

7.5

Remote transistor ideality factor

1.008

SERIAL INTERFACE (SCL, SDA)

VIH

High-level input voltage

0.7 × (V+)

VIL

Low-level input voltage

0.3 × (V+)

Hysteresis

200

SDA output-low sink current

VOL

Low-level output voltage

IO = –20 mA, V+ ≥ 2 V

0.15

0.4

IO = –15 mA, V+ < 2 V

0.2 × V+

Serial bus input leakage current

0 V

≤ VIN ≤ 3.6 V

–1

μA

Serial bus input capacitance

DIGITAL INPUTS (ADD)

VIH

High-level input voltage

0.7 × (V+)

VIL

Low-level input voltage

–0.3

0.3 × (V+)

Input leakage current

0 V

≤ VIN ≤ 3.6 V

–1

μA

Input capacitance

DIGITAL OUTPUTS (THERM, THERM2)

Output-low sink current

VOL = 0.4 V

VOL

Low-level output voltage

IO = –6 mA

0.15

0.4

IOH

High-level output leakage current

VO = V+

μA

POWER SUPPLY

V+

Specified supply voltage range

1.7

3.6

Quiescent current

Active conversion, local sensor

240

375

µA

Active conversion, remote sensors

400

600

Standby mode (between conversions)

Shutdown mode, serial bus inactive

0.3

Shutdown mode, serial bus active, fS = 400 kHz

120

µA

Shutdown mode, serial bus active, fS = 2.56 MHz

300

µA

POR

Power-on-reset threshold

Rising edge

1.5

1.65

Falling edge

1.2

1.35

POH

Power-on-reset hysteresis

0.2

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