Rainbow-electronics MAX9621 Uživatelský manuál stáhnout pdf (Strana 6)

Dual, 2-Wire Hall-Effect Sensor Interface with

Analog and Digital Outputs

MAX9621

6

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.)

MAXIMUM FREQUENCY ON

HALL INPUTS vs. TEMPERATURE

MAX9621 toc15

TEMPERATURE (NC)

FREQUENCY (kHz)

1007550250-25

20

30

40

50

60

10

-50 125

IN1

IN2

DELAY FROM IN_ TO DOUT_ (FILTER DELAY)

vs. TEMPERATURE

MAX9621 toc13

TEMPERATURE (NC)

DELAY (µs)

1007550250-25

5

10

15

20

0

-50 125

DELAY DIFFERENCE BETWEEN CHANNELS

vs. TEMPERATURE

MAX9621 toc14

TEMPERATURE (NC)

DELAY DIFFERENCE (ns)

1007550250-25

100

300

500

700

900

-100

-50 125

HALL INPUT CURRENT THRESHOLDS

vs. ISET RESISTOR

MAX9621 toc10

RESISTANCE (kI)

HALL INPUT CURRENT (mA)

90807060

6

8

10

12

14

16

4

50 100

LOW TO HIGH

HIGH TO LOW

INPUT BLANKING TIME AT RESTART

FROM SLEEP MODE (OR POWER-UP)

vs. TEMPERATURE

MAX9621 toc11

TEMPERATURE (°C)

IN_ BLANKING TIME (µs)

11095-25 -10 5 35 50 6520 80

65

70

75

80

85

90

95

100

60

-40 125

IN-CURRENT RAMP RATE AFTER

TURN-ON vs. TEMPERATURE

MAX9621 toc12

TEMPERATURE (°C)

CURRENT RATE (mA/us)

11095-25 -10 5 35 50 6520 80

3

4

5

6

7

8

9

10

2

-40 125

IN_ PULSE LENGTH REJECTED BY FILTER

TO DOUT_ vs. TEMPERATURE

MAX9621 toc16

TEMPERATURE (NC)

PULSE LENGTH (µs)

1007525 500-25

2

4

6

8

10

12

14

16

18

20

0

-50 125

POSITIVE PULSE

NEGATIVE PULSE

INPUT DROPOUT VOLTAGE

vs. TEMPERATURE

MAX9621 toc17

TEMPERATURE (°C)

DROPOUT VOLTAGE (V)

1109565 80-10 5 20 35 50-25

0.35

0.45

0.55

0.65

0.75

0.85

0.95

1.05

1.15

0.25

-45 125

V

BAT

= 5.5V

I

IN1

= -14mA

INPUT DROPOUT VOLTAGE

vs. V

BAT

MAX9621 toc18

V

BAT

(V)

INPUT DROPOUT VOLTAGE (V)

0.35

0.45

0.55

0.65

0.75

0.85

0.95

1.05

1.15

0.25

5.50 8.00 10.50 13.00 15.50

18.00

I

IN1

= -14mA

T

A

= +125°C

T

A

= +25°C

T

A

= -40°C

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

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