Anisotropic Magnetoresistive Sensor ICs
Anisotropic Magnetoresistive (AMR) sensor ICs feature an integrated circuit with a built-in magnetoresistive bridge on silicon, encapsulated in a plastic package. These sensors respond to low magnetic fields at large distances, offering stable output response even with system vibration, sudden air gap changes, or target runout without complex compensation algorithms. Potential applications include laptops, material handling equipment, pneumatic cylinders, and battery-powered equipment such as hand-held scanners, computers, and water/gas/electricity meters.
- Brand: Honeywell
Technical Specifications
| Product Series | Description | Magnetic Actuation Type | Package Style and Packaging | Supply Voltage Range | Supply Current | Output Type | Operating Temperature Range | Features |
| NANOPOWER SERIES | Omnipolar AMR sensor IC | Omnipolar | SOT-23, pocket tape and reel | 1.65 Vdc to 5.5 Vdc | 360 nA typ. (SM351LT), 310 nA typ. (SM353LT) | Digital sinking | -40C to 85C [-40F to 185F] | High sensitivity: SM351LT: 7 Gauss typ., 11 Gauss max.; SM353LT: 14 Gauss typ., 20 Gauss max. Designed to accommodate applications with large air gaps, small magnetic fields and low power requirements. |
| STANDARD POWER SERIES | Omnipolar AMR sensor IC | Omnipolar | SM351RT, SM353RT: SOT-23, pocket tape and reel; SM451RT, SM453RT: flat TO-92-style, straight standard leads, bag | 3 Vdc to 24 Vdc | 8 mA max. | Digital sinking | -40C to 85C [-40F to 185F] | Ultra-high sensitivity: SM351RT, SM451R: 7 Gauss typ., 11 Gauss max.; Very high sensitivity: SM353RT, SM453R: 14 Gauss typ., 20 Gauss max. |
| VF401 | 2-wire AMR fine pitch ring magnet sensor IC | Differential bridge | VF-401 flat TO-92-style, bag | 4.5 Vdc to 16 Vdc | 16.8 mA max. (operate), 8.4 mA max. (release) | Digital sourcing | -40C to 150C [-40F to 302F] | Wide speed capability, output pattern independent of gap between target and sensor, improved insensitivity to run-out, tilt, and twist, reverse polarity protection. |
| 2SS52M SERIES | Omnipolar AMR digital sensor IC | Omnipolar | U-pack: 2SS52M-S (Surface mount, bag), 2SS52M (Straight standard leads, bag), 2SS52M-T2 (Formed leads, ammopack tape-in-box), 2SS52M -T3 (Straight standard leads, ammopack tape-in-box); 2SS52MT: SOT-89B, pocket tape and reel | 3.8 Vdc to 30 Vdc | 11 mA max. | Digital sinking | -40C to 150C [-40F to 302F] | Omnipolar magnetics, sinking output, low Gauss operation (25 G max.), operating speed of 0 kHz to over 100 kHz. |
| VM821Q1 (VM SERIES) | Anisotropic magnetoresistive speed and direction or position sensor IC | Ring magnet encoder | 4-pin SIP, bag | 4.0 V to 24 V | 20 mA max. | 4-pin quadrature voltage outputs | -40C to 150C [-40F to 302F] | Sensitivity (max. airgap, max. temp.): 30 Gauss. ESD protected: JEDEC JS-002-2014, short circuit protected. |
2411261507_Honeywell-SS41-S_C17539978.pdf
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