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Specifications
Mfr. Part #:
AEAT-9955-100
Package:
QFN-32(5x5)
Key Attributes
Model Number:
AEAT-9955-100
Product Description
Product Overview
The Broadcom AEAT-9955 is a versatile angular magnetic rotary sensor designed for accurate 360-degree rotation measurement. It integrates Hall sensor elements with advanced analog and digital signal processing to provide both absolute and incremental position data. The sensor supports selectable and reprogrammable resolutions for absolute angle measurement and offers configurable resolutions for incremental signals. It is suitable for a wide range of applications requiring precise angular sensing and is designed with safety certifications for critical systems.
Product Attributes
- Brand: Broadcom
- Certifications: ISO26262 ASIL-D, SIL3, AEC-Q100 Grade 0
Technical Specifications
| Parameter | Min. | Typ. | Max. | Units | Notes |
|---|---|---|---|---|---|
| Electrical Characteristics | |||||
| Operating Ambient Temperature | 40 | 125 | C | ||
| DC Supply Voltage (5V Operation) | 4.5 | 5.0 | 5.5 | V | |
| DC Supply Voltage (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 | |||
| Systems Parameters | |||||
| Supply Current (Normal Operation Mode, 5V) | 24 | mA | |||
| Supply Current (Normal Operation Mode, 3.3V) | 22 | mA | |||
| Supply Current (Sleep Mode) | 300 | A | 5V and 3.3V | ||
| High Level Output Voltage (DO) | VDD 0.5 | V | Normal operation | ||
| Low Level Output Voltage (DO) | GND + 0.4 | V | |||
| Power-up time | 10 | ms | |||
| Input High Level (DI) | 0.7 VDD | V | |||
| Input Low Level (DI) | 0.3 VDD | V | |||
| Encoding Characteristics | |||||
| System Input Maximum Speed | 30000 | RPM | |||
| Absolute Output Resolution | 10 | 18 | Bit | Programmable 10 to 18 bits. | |
| Integral Non-Linearity (ON-Axis, Nominal) | 0.05 | Deg | Best fit line, centered magnet. TA = 25C, Voltage = 5V, INL angle correction. | ||
| Integral Non-Linearity (OFF-Axis) | 0.15 | Deg | |||
| Integral Non-Linearity (ON-Axis, Displacement) | 0.15 | Deg | Best fit line, over displacement of magnet. TA = 25C, Voltage = 5V | ||
| Integral Non-Linearity (OFF-Axis) | 0.25 | Deg | |||
| Integral Non-Linearity (ON-Axis, Temperature) | 0.10 | Deg | Best fit line, over temperature range. TA = 40 to | ||
2510101208_Broadcom-AEAT-9955-100_C22441790.pdf
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