Product Overview
The APS12625 and APS12626 are dual ultrasensitive Hall-effect latches designed for ring magnet applications. They offer flexible 2D magnetic sensing with integrated vertical and planar Hall elements, providing 90 phase separation independent of magnet pole spacing and air gap. These devices are easy to use, require no target optimization, and support various orientations (XY, ZX, ZY). The APS12625 provides Speed and Direction outputs, while the APS12626 offers Quadrature outputs. A unique power-cycling restore feature (-P option) minimizes lost counts/pulses. They 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
- Certifications: ISO 26262:2011 / ASIL A, AEC-Q100 Grade 0
- Material: BiCMOS process
- Package: 5-Pin SOT23-W (LH)
- RoHS Compliant: Yes
Technical Specifications
| Device | Output Type | Sensing Axes | Supply Voltage (V) | Junction Temperature (C) | Package Thermal Resistance (C/W) | Operating Temperature Range (C) |
|---|---|---|---|---|---|---|
| APS12625 | Speed & Direction | XY, ZX, ZY | 2.8 - 5.5 | Up to 175 | 124 (LH-5, 4-layer PCB) | -40 to +150 |
| APS12626 | Quadrature | XY, ZX, ZY | 2.8 - 5.5 | Up to 175 | 124 (LH-5, 4-layer PCB) | -40 to +150 |
| Characteristic | Symbol | Min. | Typ. | Max. | Unit | Notes |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.8 | 5.5 | V | Operating | |
| 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 at TA = 25C, 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 | |
| Operate Point | BOP(A), BOP(B) | 1 | 11-27.8 | 44 | G | Varies with Temperature |
| Release Point | BRP(A), BRP(B) | -44 | -11 to -27.8 | -1 | G | Varies with Temperature |
| Hysteresis | BHYS(A), BHYS(B) | 25 | 35-55.5 | 72 | G | Varies with Temperature |
| Temperature Coefficient | TC | 0.17 | 0 | % / C | Flat (F) vs. Standard |
2304140030_ALLEGRO-APS12626LLHALX-BFP_C2152733.pdf
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