A1230LLTR-T datasheet(5/16 Pages) ALLEGRO

Part #	A1230LLTR-T

Description	Ultra-Sensitive Dual-Channel Quadrature Hall-Effect Bipolar Switch

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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Ultra-Sensitive Dual-Channel Quadrature

Hall-Effect Bipolar Switch

A1230

5

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

MAGNETIC CHARACTERISTICS6

Operate Point: B > BOP

BOP(A),BOP(B)

–

7

30

G

Release Point: B < BRP

BRP(A), BRP(B)

–30

–7

–

G

Hysteresis: BOP(A) – BRP(A),

BOP(B) – BRP(B)

BHYS(A), BHYS(B)

514

35

G

Symmetry: Channel A, Channel B,

BOP(A) + BRP(A), BOP(B) + BRP(B)

SYMA, SYMB

–35

–

35

G

Operate Symmetry: BOP(A) – BOP(B)

SYMAB(OP)

–25

–

25

G

Release Symmetry: BRP(A) – BRP(B)

SYMAB(RP)

–25

–

25

G

11 G (gauss) = 0.1 mT (millitesla).

2When operating at maximum voltage, never exceed maximum junction temperature, TJ(max). Refer to power derating curve charts.

3 Device will survive the current level speciﬁed, but operation within magnetic speciﬁcation cannot be guaranteed.

4 Short circuit of the output to VCC is protected for the time duration speciﬁed.

5 Maximum speciﬁcation limit is equivalent to ICC(max) + 3 mA.

6 Magnetic ﬂux density, B, is indicated as a negative value for north-polarity magnetic ﬁelds, and as a positive value for south-polarity

magnetic ﬁelds. This so-called algebraic convention supports arithmetic comparison of north and south polarity values, where the

relative strength of the ﬁeld is indicated by the absolute value of B, and the sign indicates the polarity of the ﬁeld (for example, a

–100 G ﬁeld and a 100 G ﬁeld have equivalent strength, but opposite polarity).

OPERATING CHARACTERISTICS (continued) Valid over operating temperature ranges unless otherwise noted; typical

data applies to VCC = 12 V, and TA = 25ºC

Characteristic

Symbol

Test Conditions

Min. Typ. Max.

Unit1

EMC

Contact Allegro MicroSystems for EMC performance.

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