INA745AIRELR datasheet(6/50 Pages) TI2

6 / 50 page

at TA = 25 °C, VS = 3.3 V, ISENSE = 0 A, VCM = VIN– = VBUS= 12 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DNL

Differential Non-Linearity

Bus voltage measurement

0.2

LSB

CLOCK SOURCE

FOSC

Internal oscillator frequency

MHz

OSCTOL

Internal oscillator frequency

tolerance

TA = 25°C

±0.5

TA = –40°C to +125°C

±1

TEMPERATURE SENSOR

Measurement range

–40

+150

°C

Temperature accuracy

TA = 25°C

±0.15

±1.5

°C

TA= –40°C to +125°C

±0.2

±2.5

°C

INTEGRATED SHUNT

Internal kelvin resistance

SH+ to SH–, TA = 25°C

800

µΩ

Pin to pin package resistance

IS+ to IS–, TA = 25°C

800

1000

1300

µΩ

Maximum continuous current

–40°C ≤ TA ≤ 125°C

±25

Short time overload change(2)

ISENSE = 50 A for 5 seconds

±0.003

Change due to temperature cycling –65°C ≤ TA ≤ 150°C, 500 cycles

±0.05

Resistance change to solder heat

260°C solder, 10 s

±0.1

High temperature exposure change 1000 hours, TA = 150°C

±0.015

POWER SUPPLY

Supply voltage

2.7

5.5

VPOR

POR Voltage Level

Supply rising

1.26

Quiescent current

ISENSE = 0 V

640

750

µA

ISENSE = 0 V, TA = –40°C to +125°C

IQSD

Quiescent current, shutdown

Shutdown mode

2.8

µA

TPOR

Device start-up time

Power-up (NPOR)

300

µs

From shutdown mode

DIGITAL INPUT / OUTPUT

VIH

Logic input level, high

SDA, SCL

1.2

5.5

VIL

Logic input level, low

GND

0.4

VOL

Logic output level, low

IOL = 3 mA

GND

0.4

IIO_LEAK Digital leakage input current

0 ≤ VIN ≤ VS

–1

µA

(1)

Subject to oscillator accuracy and drift

(2)

Tested on device EVM, see Section 6.3.2.

INA745A, INA745B

SBOSAC3B – JULY 2023 – REVISED AUGUST 2025

www.ti.com

Submit Document Feedback

Product Folder Links: INA745A INA745B

INA745AIRELR датащи(PDF) 6 Page - Texas Instruments

INA745AIRELR датащи(HTML) 6 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

датащи скачать

ссылки URL