AS5046-ASSU austriamicrosystems, AS5046-ASSU Datasheet - Page 33

• Manufacturer Part Number: AS5046-ASSU
• Description: IC ENCODER PROG 12-BIT 16-SSOP
• Manufacturer: austriamicrosystems
• Type: Linear, Rotary Encoder - Programmabler

Specifications of AS5046-ASSU

• Sensing Range: 45mT ~ 75mT
• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Current - Supply: 21mA
• Current - Output (max): 4mA
• Output Type: Analog, Ratiometric
• Features: Programmable
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AS5046
Data Sheet
18 Choosing the Proper Magnet
Typically the magnet should be 6mm in diameter and ≥2.5mm in height. Magnetic materials such as rare earth AlNiCo,
SmCo5 or NdFeB are recommended.
The magnet’s field strength perpendicular to the die surface should be verified using a gauss-meter. The magnetic field
B
(see Figure 21).
Figure 21
www.austriamicrosystems.com
v
at a given distance, along a concentric circle with a radius of 1.1mm (R1), should be in the range of ±45mT…±75mT.
Typical Magnet and Magnetic Field Distribution
Vertical field
component
Vertical field
component
Bv
Revision 1.12
0
360
N
(45…75mT)
R1
typ. 6mm diameter
R1 concentric circle;
radius 1.1mm
S
Magnet axis
Magnet axis
360
33 – 42