Allegro Microsystems Through Hole Chopper Stabilised Precision Hall Effect Switch 3 V 24 V, SIP, 3-Pin

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Subtotal (1 bag of 500 units)*

Kr.3 274 00 

(exc. VAT)

Kr.4 092 50 

(inc. VAT)

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RS Stock No.:
170-9086
Mfr. Part No.:
A1120EUA-T
Brand:
Allegro Microsystems
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Brand

Allegro Microsystems

Sensor Type

Hall Effect Sensors

Product Type

Chopper Stabilised Precision Hall Effect Switch

Technology

Chopper Stabilised Hall Effect

Mount Type

Through Hole

Magnetic Type

Unipolar

Maximum Frequency Response

800kHz

Minimum Supply Voltage

3V

Package Type

SIP

Maximum Supply Voltage

24V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

85°C

Pin Count

3

Height

3.02mm

Series

A1120

Length

4.09mm

Width

1.52 mm

Standards/Approvals

RoHS, 100% matte tin plated leadframe, Lead (Pb) Free

Automotive Standard

AEC-Q100

Response Time

25μs

Supply Current

4mA

A1120/1/2/3/5 Chopper Stabilised Hall Effect Sensor Switches, Allegro Microsystems


The Allegro Microsystems A1120, A1121, A1122, A1123, and A1125 Hall-effect, unipolar switches are temperature-stable and stress-resistant sensor ICs. High temperature performance is MADE possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device over-molding, temperature dependencies, and thermal stress.

They include a voltage regulator, Hall-voltage generator, small-signal amplifier, chopper stabilisation, Schmitt trigger, and a short circuit protected open-drain output to sink up to 25 mA. The voltage regulator enables supply voltages of 3 V to 24 V.

For the A1120, A1121, A1122, and A1123, a south pole turns on the output and removal turns off the output. For the A1125, it is reversed and the south pole turns off the A1125 output.

Unipolar switchpoints

Resistant to physical stress

Superior temperature stability

Output short circuit protection

Operation from unregulated supply

Hall Effect Sensors, Allegro MicroSystems


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