Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for ring magnet applications. They offer flexible 2D magnetic sensing with orthogonal vertical and planar Hall elements, providing inherent 90 phase separation independent of magnet pole spacing and air gap. These devices simplify integration by eliminating the need for target optimization and support various orientations (XY, ZX, ZY). The APS12625 provides Speed and Direction outputs, while the APS12626 offers Quadrature outputs (Channel A/B). A unique power-cycling restore feature (-P option) minimizes lost counts/pulses. These sensors are automotive grade, qualified per AEC-Q100, and operate from 2.8 to 5.5 V with high junction temperature capability.
Product Attributes
- Brand: Allegro MicroSystems
- Certifications: ISO 26262:2011 / ASIL A functional safety compliance, AEC-Q100 qualified
- Material: BiCMOS process
- Origin: U.S.A.
Technical Specifications
| Characteristic | Symbol | Min. | Typ. | Max. | Unit | Notes |
| ELECTRICAL CHARACTERISTICS | ||||||
| Supply Voltage Operating | VDD | 2.8 | 5.5 | V | TJ TJ(max) | |
| Output Leakage Current | IOUTOFF | 10 | A | B < BRP | ||
| Output On Voltage | VOUT(SAT) | 180 | 500 | mV | IOUT = 2 mA, B > BOP | |
| Supply Current | IDD | 3 | 4.5 | mA | Typical data at TA = 25C and VDD = 4 V | |
| Output Sink Current | IOUTPUT(SINK) | 10 | mA | |||
| Output Short-Circuit Current Limit | IOM | 15 | 45 | mA | VDD = 5.5 V, TJ TJ(max) | |
| Output Rise Time | tr | 0.2 | s | CLOAD = 20 pF, RLOAD = 820 | ||
| Output Fall Time | tf | 0.1 | s | CLOAD = 20 pF, RLOAD = 820 | ||
| Power-On Time (APS12625) | tON | 150 | 300 | s | Both outputs | |
| Power-On Time (APS12626) | tON | 50 | 100 | s | Both outputs | |
| MAGNETIC CHARACTERISTICS | ||||||
| Operate Point (Typical at TA = 25C) | BOP(A), BOP(B) | 11 | 25.0 | 41 | G | TC = 0 |
| Release Point (Typical at TA = 25C) | BRP(A), BRP(B) | 41 | 25.0 | 11 | G | TC = 0 |
| Hysteresis (Typical at TA = 25C) | BHYS(A), BHYS(B) | 35 | 50.0 | 66 | G | TC = 0 |
| Symmetry: Channel A, Channel B | BSYM(A), BSYM(B) | 35 | 35 | G | ||
| Temperature Coefficient | TC | 0.17 | % / C | TC = 0, APS12625-F, APS12626-F | ||
| Temperature Coefficient | TC | 0 | % / C | TC = 1, APS12625, APS12626 | ||
| ABSOLUTE MAXIMUM RATINGS | ||||||
| Forward Supply Voltage | VDD | 6 | V | |||
| Reverse Supply Voltage | VRDD | 0.3 | V | |||
| Magnetic Flux Density | B | Unlimited | G | |||
| Output Off Voltage | VOUT | 6 | V | |||
| Maximum Junction Temperature | TJ(MAX) | 165 | C | For 500 hours | ||
| Storage Temperature | Tstg | 65 | 170 | C | ||
| THERMAL CHARACTERISTICS | ||||||
| Package Thermal Resistance | RJA | 124 | C/W | LH-5, 4-layer board | ||
2304140030_ALLEGRO-APS12626LLHALT-BFP_C2152815.pdf
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