Ah3761, Electrical characteristics, Magnetic characteristics – Diodes AH3761 User Manual

Page 4: High sensitivity hall effect latch

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AH3761

HIGH SENSITIVITY HALL EFFECT LATCH

AH3761 Rev. 1

4 of 9

SEPTEMBER 2009

www.diodes.com

©

Diodes Incorporated

Electrical Characteristics

(T

A

=+ 25

°C, Vdd =24V, Note 7)


Symbol

Characteristic

Test Conditions

Min

Typ.

Max

Unit

Vo(sat)

Output Saturation Voltage

Iout =20mA, B>Bop

-

300

500

mV

Ioff Output

Leakage

Current V

O

=24V, B<Bop

-

< 0.1

10

uA

Idd Supply

Current

Output

Open

- 4 6 mA

t

r

Output Rising Time

R

L

=10K

Ω, C

L

=16pF

- 340 - ns

t

f

Output Falling Time

R

L

=10K

Ω, C

L

=16pF

- 20 - ns

f

c

Chopping Frequency

-

300

-

KHz

I

OM

Output Current Limit

B>Bop (Note 5)

50

70

90

mA

t

ST

Start-up time of IC

Vdd>3V, B>Bop (Note 6)

-

47

-

us

Notes: 5. The device will shut down operating after the output current I

O

is over the output current limit I

OM

for 160us (typically). The device will re-start

up operating after resetting the supply voltage Vdd.

6.

I

n

initial power on time, the output state is kept in “High” in this start-up time of IC.

7. Typical data is at T

A

=+25

°C, Vdd=24V and is design information only.


Magnetic Characteristics

(T

A

=+ 25

°C, Vdd =3V to 28V, Note 8)


(1mT=10Gauss)

Symbol

Parameter

Min

Typ.

Max

Unit

Bop Operate

Point

5

30

60 Gauss

Brp Release

Point

-60 -30 -5 Gauss

Bhys Hysteresis

-

60

-

Gauss

Notes: 8. Magnetic characteristics are for design information, which will vary with supply voltage, operating temperature and after soldering.

Marking side

S

(SIP3)

N

Marking side

S

(SC59)

N

V

dd

(Out

put

V

o

lt

a

g

e)

Brp

Bop

0

(Magnetic Flux Density B)

Output

Turn off

Turn on

(off-state)

(on-state)

V

SAT

V

SAT

Bhy





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