INA290 datasheet(15/27 Pages) TI1

Part #	INA290

Description	INA290 2.7-V to 120-V, 1.1-MHz, Ultra-Precise Current-Sense Amplifier in Small (SC-70) Package

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Manufacturer	TI1 [Texas Instruments]

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INA290

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SBOS961 – JUNE 2020

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Device Functional Modes (continued)

Table 2. Response Time

PARAMETER

EQUATION

INA290

AT VS = 5 V

G

Gain

20 V/V

IMAX

Maximum current

100 A

IThreshold

Threshold current

75 A

RSENSE

Current sense resistor value

2 mΩ

VOUT_MAX

Output voltage at maximum current

VOUT_MAX = IMAX × RSENSE × G

4 V

VOUT_THR

Output voltage at threshold current

VOUT_THR = ITHR × RSENSE × G

3 V

SR

Slew rate

2 V/µs

Output response time

Tresponse= VOUT_THR / SR

< 2 µs

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