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Specifications
Voltage - Supply:
2.4V~5.5V
Mfr. Part #:
A3214LLHLX-T
Package:
SOT-23W
Key Attributes
Model Number:
A3214LLHLX-T
Product Description
Product Overview
The A3213 and A3214 are ultra-sensitive, pole-independent Hall-effect switches with a latched digital output. Designed for battery-operated, hand-held equipment, they offer reduced average power consumption through a unique clocking scheme. Their polarity independence and minimal power requirements allow them to replace reed switches, enhancing reliability and simplifying manufacturing without the need for signal conditioning. Chopper stabilization ensures improved stability by minimizing offset voltage caused by overmolding, temperature, and thermal stress.
Product Attributes
- Brand: Allegro MicroSystems, LLC
- Certifications: AEC-Q100 automotive qualified
- Material: Advanced BiCMOS processing
- Lead Finish: 100% matte-tin-plated leadframe (Pb-free)
Technical Specifications
| Part Number | Mounting | Packing | Ambient TA (C) | DC (%) | IDD(AVG)(typ) (A) | Package | Description |
| A3213ELHLT-T | Surface Mount | 7-in. reel (3000 pcs) | 40 to 85 | 25 | 309 | LH | SOT23W |
| A3213ELHLX-T | Surface Mount | 13-in. reel (10000 pcs) | 40 to 85 | 25 | 309 | LH | SOT23W |
| A3213EUA-T | SIP through hole | Bulk (500 pcs) | 40 to 150 | 25 | 309 | UA | SIP, matrix HD style (recommended for new designs) |
| A3213LUA-T | SIP through hole | Bulk (500 pcs) | 40 to 150 | 25 | 309 | UA | SIP, chopper style (NOT FOR NEW DESIGN) |
| A3214ELHLT-T | Surface Mount | 7-in. reel (3000 pcs) | 40 to 85 | 0.10 | 6 | LH | SOT23W |
| A3214ELHLX-T | Surface Mount | 13-in. reel (10000 pcs) | 40 to 85 | 0.10 | 6 | LH | SOT23W |
| A3214EUA-T | SIP through hole | Bulk (500 pcs) | 40 to 150 | 0.10 | 6 | UA | SIP, matrix HD style (recommended for new designs) |
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Units |
| Supply Voltage Range | VDD Operating | 2.4 | 3.0 | 5.5 | V | |
| Output Leakage Current | IOFF | VOUT = 5.5 V, BRPN < B < BRPS | <1.0 | 1.0 | A | |
| Output On Voltage | VOUT(ON) | Output on, IOUT = 1 mA, VDD = 3.0 V | 100 | 300 | mV | |
| Awake Time | tawake | 60 | 90 | s | ||
| Period | tperiod | A3213 | 240 | 360 | s | |
| Period | tperiod | A3214, TA = 25C, VDD = 3 V | 60 | 90 | ms | |
| Supply Current (Chip awake) | IDD(EN) | Chip awake (enabled) | 2.0 | mA | ||
| Supply Current (Chip asleep) | IDD(DIS) | Chip asleep (disabled) | 8.0 | A | ||
| Operate Points (South pole) | BOPS | South pole to branded side | 42 | 70 | G | |
| Operate Points (North pole) | BOPN | North pole to branded side | 70 | 48 | G | |
| Release Points (South pole) | BRPS | South pole to branded side | 10 | 32 | G | |
| Release Points (North pole) | BRPN | North pole to branded side | 38 | 10 | G | |
| Hysteresis | Bhys | |BOPx - BRPx| | 10 | G |
2410010330_ALLEGRO-A3214LLHLX-T_C2152829.pdf
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