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3507

3508

AND

RATIOMETRIC, LINEAR HALL-EFFECT SENSORS

FOR HIGH-TEMPERATURE OPERATION

The A3507鈥?and A3508鈥?are sensitive, temperature-stable linear

Hall-effect sensors. Ratiometric, linear Hall-effect sensors provide a

voltage output that is proportional to the applied magnetic field and have

a quiescent output voltage that is approximately 50% of the supply

voltage. These magnetic sensors are ideal for use in linear and rotary

position sensing systems in the harsh environments of automotive and

industrial applications over extended temperatures to -40擄C and +150擄C.

The two devices are similar except for temperature stability over the

operating temperature range. See the Magnetic Characteristics table for

complete, individual device parametrics.

Each monolithic circuit integrates a quadratic Hall element, im-

proved temperature compensating circuitry to reduce the intrinsic

sensitivity drift of the Hall element, a small-signal high-gain amplifier,

and a rail-to-rail low-impedance output stage. Many problems normally

associated with low-level analog signals are minimized by having the

Hall element and amplifier in a single chip. Output precision is obtained

by internal gain and offset trim adjustments during the manufacturing

process.

The first character of the part number suffix determines the device

operating temperature range: suffix 鈥楽鈥撯€?is for -20

擄

C to +85

擄

C, suffix

鈥楨鈥撯€?is for -40

擄

C to +85

擄

C, and suffix 鈥楲鈥撯€?is for -40

擄

C to +150

擄

C.

These devices are supplied in a 3-pin ultra-mini-SIP 鈥樷€揢A鈥?package.

Data Sheet

27501.1B

V

CC

1

X

2

3

GROUND

Dwg. PH-006

Pinning is shown viewed from branded side.

OUTPUT

SUPPLY

FEATURES

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, V

CC

. . . . . . . . . . . .

6.0 V

Output Voltage, V

O

. . . . . . . . . . . . .

6.0 V

Output Sink Current, I

O

. . . . . . . .

5.0 mA

Magnetic Flux Density, B . . . .

Unlimited

Package Power Dissipation,

P

D

. . . . . . . . . . . . . . . . . . . .

See Graph

Operating Temperature Range, T

A

Suffix 鈥楽鈥撯€?. . . . . . . . . . . .

-20

擄

C to +85

擄

C

Suffix 鈥楨鈥撯€?. . . . . . . . . . . .

-40

擄

C to +85

擄

C

Suffix 鈥楲鈥撯€?. . . . . . . . . . .

-40

擄

C to +150

擄

C

Storage Temperature Range,

T

S

. . . . . . . . . . . . . . .

-65

擄

C to +170

擄

C

I

Output Voltage Proportional to Applied Magnetic Field

I

Ratiometric Rail-to-Rail Output

I

Improved Sensitivity

I

Superior Temperature Stability

I

4.5 V to 5.5 V Operation

I

Small Package Size

I

Solid-State Reliability

Always order by complete part number, e.g.,

A3507EUA

.

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