PINA241B2IDDFR datasheet(13/27 Pages) TI

部件名	PINA241B2IDDFR

功能描述	INA241x ??-V to 110-V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection

PDF	27 Pages

Scroll/Zoom	100%

制造商	TI [Texas Instruments]

网页	http://www.ti.com

标志

13 / 27 page

8.4.4 High Signal Throughput

With a bandwidth of 1 MHz at a gain of 20 V/V and a slew rate of 5 V/µs, the INA241x is specifically designed for

detecting and protecting applications from fast inrush currents. As shown in Table 8-1, the INA241x responds in

less than 2 µs for a system measuring a 75-A threshold on a 2-mΩ shunt.

Table 8-1. Response Time

PARAMETER

EQUATION

INA241x AT VS = 5 V

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

Slew rate

5 V/µs

Output response time

Tresponse= VOUT_THR / SR

< 2 µs

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INA241A, INA241B

SBOSA30 – MARCH 2022

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