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Compact and robust Broadcom AEAT-9922-Q24 magnetic rotary sensor suitable for demanding industrial applications

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Compact and robust Broadcom AEAT-9922-Q24 magnetic rotary sensor suitable for demanding industrial applications

Current - Supply : 25mA

Interface : SPI;SSI;PWM

Voltage - Supply : 3V~5.5V

Description : QFN-24-EP(4x4) Angle, Linear Position Measuring RoHS

Mfr. Part # : AEAT-9922-Q24

Model Number : AEAT-9922-Q24

Package : QFN-24-EP(4x4)

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Product Overview

The Broadcom AEAT-9922 is a versatile angular magnetic rotary sensor designed for precise 360-degree angle measurement. It integrates Hall sensor elements with advanced analog and digital signal processing to deliver both absolute and incremental signals. Suitable for on-axis and off-axis applications, it supports programmable resolutions from 10 to 18 bits for absolute position and up to 10,000 CPR for incremental signals. Communication is facilitated via SSI and SPI protocols, with an option for PWM output. Its robust architecture and compact QFN-24 package make it ideal for demanding industrial automation, robotics, and motor control applications.

Product Attributes

Brand: Broadcom
Certifications: RoHS compliant

Technical Specifications

Parameter	Min.	Typ.	Max.	Units	Notes
Electrical Characteristics
Storage Temperature	-40		125	C
DC Supply Voltage (VDDA/VDD)	-0.3		6	V
Input Voltage Range	-0.3		6	V
Electrostatic Discharge (HBM)	-4.0		+4.0	kV
Operating Ambient Temperature	-40		125	C
DC Supply Voltage (VDD) - 5V Operation	4.5	5.0	5.5	V
DC Supply Voltage (VDD) - 3.3V Operation	3.0	3.3	3.6	V
Incremental Output Frequency			1.0	MHz	Frequency = Velocity(rpm) CPR/60
Load Capacitance			15	pF
Supply Current (Normal Operation) - 5V		25		mA
Supply Current (Normal Operation) - 3.3V		24		mA
Digital Outputs High Level Output Voltage (VOH)	VDD 0.5			V
Digital Outputs Low Level Output Voltage (VOL)			GND + 0.4	V
Power-Up Time		10		ms	Absolute Output, Incremental Output, PWM Output
Digital Inputs Input High Level (VIH)	0.7 VDD			V
Digital Inputs Input Low Level (VIL)			0.3 VDD	V
Encoding Characteristics
Absolute Output Resolution	10		18	Bit	Programmable 10 to 18 bits
Integral Non-Linearity (On-Axis, Nominal)		0.1		Degree	Best fit line, centered magnet. TA = 25C, Voltage = 5V, INL angle correction
Integral Non-Linearity (Off-Axis)		0.15		Degree
Integral Non-Linearity (On-Axis, Displacement)		0.2		Degree	Best fit line, over displacement of magnet. TA = 25C, Voltage = 5V
Integral Non-Linearity (Off-Axis, Displacement)		0.3		Degree
Integral Non-Linearity (On-Axis, Temp)		0.5		Degree	Best fit line, over displacement of magnet and temperature variation. TA = 40C to +125C, Voltage = 5V
Integral Non-Linearity (Off-Axis, Temp)		0.7		Degree
Code Monotony		1		LSB	14-bits absolute (Static)
Output Sampling Rate		10		MHz	Based on SSI3 protocol
Latency		80		ns
Incremental Output (Channel ABI) Resolution	1		10000	CPR	Programmable
Index Pulse Width	90		360	e	Programmable options: 90, 180, 270, or 360 e.
Index State	90		360	e	Programmable options: 90, 180, 270, or 360 e.
Relative Angular Accuracy		10		%	Reference to an output period at output A and B, at 512 CPR, 5V, and 3000 RPM
PWM Output Frequency	122		976	Hz	Adjustable based on PWM settings
Minimum Pulse Width (PWM)		1		s
Maximum Pulse Width (PWM)			16,384	s
Encoder Timing Characteristics
Incremental Output (ABI and UVW) System Reaction Time		10		ms	First ABI pulse detection upon power up.
Mechanical and Magnetic Specifications
Magnet Diameter (Disc Magnet)	4		6	mm	Recommended magnet: Cylindrical magnet or ring magnet diametrically magnetized and 1-pole pair.
Magnet Diameter (Ring Magnet ID/OD)	15		25	mm
Magnet Thickness (Disc Magnet)	2		2.5	mm
Magnet Thickness (Ring Magnet)		6		mm
Magnetic Input Field Magnitude (On-Axis, Disc Magnet)	45		100	mT	Required vertical/horizontal component of the magnetic field.
Magnetic Input Field Magnitude (Off-Axis, Ring Magnet)	30		150	mT

2509191054_Broadcom-AEAT-9922-Q24_C5116538.pdf

Compact and robust Broadcom AEAT-9922-Q24 magnetic rotary sensor suitable for demanding industrial applications Images

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