Rainbow-electronics MAX9621 Instrukcja Użytkownika Pobierz pdf (Strona 7)

Dual, 2-Wire Hall-Effect Sensor Interface with

Analog and Digital Outputs

MAX9621

7

Typical Operating Characteristics (continued)

(V

BAT

= 13.6V, R

SET

= 61.9kI, R

L

= 5kI to GND at AOUT_, V

SLEEP

= 5V, T

A

= +25NC, unless otherwise noted.)

CURRENT GAIN vs. TEMPERATURE

MAX9621 toc20

TEMPERATURE (NC)

CURRENT GAIN (mA/mA)

1007550250-25

0.04

0.05

0.06

0.07

0.03

-50 125

CURRENT GAIN vs. SUPPLY VOLTAGE

MAX9621 toc19

SUPPLY VOLTAGE (V)

CURRENT GAIN (mA/mA)

0.04

0.05

0.06

0.07

0.03

8.00

10.50

13.00

15.50

18.00

5.50

MAX9621 toc21

V

IN1

I

IN1

V

AOUT1

400ns/div

RESPONSE TO SHORT TO GROUND

MAX9621 toc22

V

AOUT1

V

IN1

I

IN1

V

DOUT1

100µs/div

REENERGIZING OF THE HALL INPUT

FROM OPEN-CIRCUIT CONDITION

MAX9621 toc23

V

IN1

V

SLEEP

I

IN1

V

AOUT1

10µs/div

STARTUP OF IN_/AOUT_

FROM SHUTDOWN

MAX9621 toc24

V

IN1

V

SLEEP

I

IN1

V

DOUT1

20µs/div

STARTUP OF IN_/DOUT_

FROM SHUTDOWN

1 2 3 4 5 6 7 8 9 10 11 12 13 14

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