A1335 datasheet(9/29 Pages) ALLEGRO

Part #	A1335

Description	Precision Hall-Effect Angle Sensor IC with I 2C, SPI, and SENT Interfaces

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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9 / 29 page

Precision Hall-Effect Angle Sensor IC

with I2C, SPI, and SENT Interfaces

A1335

9

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

CVH

Element

Analog Signal

Conditioning

A to D

Converter

Digital Signal

Conditioning

Raw Angle

Computation

Digital

Front End

(Digital Logic for

Processing)

Analog

Front End

(Applied Magnetic

Signal Detection)

A1

A2

A3

D1

D2

P1

P3

P4

P5

P6

P7

P1a

P2a

P4b

P4c

P2b

P4a

P5a

P7a

Angle

Averaging

SRAM

EEPROM

(Optional)

IR Filter

(Optional)

Prelinearization

Rotation

(Optional)

Prelinearization

0 Offset

(Optional)

Segmented

Linearization

(Optional)

Postlinearization

Rotation

Minimum/

Maximum

Angle Check*

* Short Stroke Applications Only

(Optional)

Harmonic

Linearization

Angle Rounding

to 12 Bits

(Optional)

Angle Clamping*

(Optional)

Angle

Inversion

Primary Serial Interface

Microprocessor

(Angle Processing)

Sample Rate

(Resolution)

P2

Angle

Compensation

(Optional)

Gain Offset

(Optional)

Postlinearization

0 Offset

(Optional)

Die Adjust

Gain Adjust*

Figure 1: Signal Processing Flow (refer by index number to text descriptions)

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A1335 Datasheet(PDF) 9 Page - Allegro MicroSystems

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