INA780A datasheet(6/51 Pages) TI1

6 / 51 page

at TA = 25 °C, VS = 3.3 V, ISENSE = 0 A, VCM = VIN– = VBUS= 48 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tCT

ADC conversion-time(1)

Conversion time field = 0h

µs

Conversion time field = 1h

Conversion time field = 2h

150

Conversion time field = 3h

280

Conversion time field = 4h

540

Conversion time field = 5h

1052

Conversion time field = 6h

2074

Conversion time field = 7h

4120

INL

Integral Non-Linearity

Bus voltage measurement

±2

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

±0.25

±1.5

°C

TA= –40°C to +125°C

±0.2

±2.5

°C

INTEGRATED SHUNT

Internal kelvin Resistance

TA = 25°C

350

400

500

µΩ

Pin to pin package resistance

IS+ to IS–, TA = 25°C

450

550

650

µΩ

Maximum continuous current(2)

–40°C ≤ TA ≤ 125°C

±50

Short time overload change

ISENSE = 100 A for 5 seconds

±0.003

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

±0.1

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, –40°C ≤ TA ≤ 125°C

1.2

5.5

VIL

Logic input level, low

–40°C ≤ TA ≤ 125°C

GND

0.4

VOL

Logic output level, low

IOL = 3 mA, –40°C ≤ TA ≤ 125°C

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.

INA780A, INA780B

SBOSAB6A – JULY 2023 – REVISED DECEMBER 2023

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