A3508 データシートの表示（PDF） - Allegro MicroSystems

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A3508

RATIOMETRIC, LINEAR HALL-EFFECT SENSORS FOR HIGH-TEMPERATURE OPERATION

Allegro MicroSystems 

3507 AND 3508

RATIOMETRIC,

LINEAR HALL-EFFECT SENSORS

FOR HIGH-TEMP. OPERATION

MAGNETIC CHARACTERISTICS over operating temperature range, at VCC = 5 V, IO = 1 mA

(unless otherwise noted).

Characteristic*

Operating Temp. Range, TA

Sensitivity at TA = 25°C

over Oper. Temp. Range

∆Sens(∆T)† at TA = Max.

at TA = Min.

∆VOQ(∆T)‡

Ratiometry, ∆VOQ(∆V)

Ratiometry, ∆Sens(∆V)

Positive Linearity, Lin+

Negative Linearity, Lin–

Symmetry

A3507LUA

Min. Typ. Max.

-40

– +150

2.0 2.5 3.0

1.7 2.5 3.3

-5.0 2.5 10

-8.8 -1.3 6.2

–

– ±35

– 100 –

– 100 –

– 100 –

– 100 –

– 100 –

Part Numbers

A3507EUA

Min. Typ. Max.

-40

–

+85

2.0 2.5 3.0

1.7 2.5 3.3

-6.3 1.2 8.7

-8.8 -1.3 6.2

–

– ±35

– 100 –

– 100 –

– 100 –

– 100 –

– 100 –

A3508SUA

Min. Typ. Max.

-20

–

+85

2.0 2.5 3.0

1.7 2.5 3.3

-10

–

10

-10

–

10

–

– ±50

– 100 –

– 100 –

– 100 –

– 100 –

– 100 –

Units

°C

mV/G

mV/G

%

%

G

%

%

%

%

%

Magnetic flux density is measured at most sensitive area of device located 0.018" (0.46 mm) below the branded face of the “UA”

package.

* See Characteristics Definitions for test conditions.

† The nominal sensitivity temperature stability is designed to compensate for the temperature coefficient of samarium-cobalt

magnets (-0.02%/°C).

‡ This calculation (formula 1, next page) yields the device’s equivalent accuracy, over the operating temperature range, in gauss.

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