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Specifications
Operating Current:
6uA
Operating Temperature:
-40℃~+85℃
Voltage - Supply:
2.4V~5.5V
Mfr. Part #:
A3214LUA-T
Package:
TO-92S
Key Attributes
Model Number:
A3214LUA-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 operating power through a unique clocking scheme. Their polarity independence and minimal power requirements allow them to replace reed switches, offering superior reliability and ease of manufacturing without the need for signal conditioning. Chopper stabilization ensures improved stability by reducing residual offset voltage.
Product Attributes
- Brand: Allegro MicroSystems, LLC
- Certifications: AEC-Q100 automotive qualified
- Material: Advanced BiCMOS processing
- Lead Finish: 100% matte-tin-plated leadframe (lead (Pb) free)
Technical Specifications
| Part Number | Mounting | Packing | Ambient TA (C) | DC (%) | IDD(AVG)(typ) (A) | Operating Voltage (V) | Package |
| A3213ELHLT-T | Surface Mount | 7-in. reel 3000 pieces/reel | 40 to 85 | 25 | 309 | 2.4 to 5.5 | LH (SOT23W) |
| A3213ELHLX-T | Surface Mount | 13-in. reel 10000 pieces/reel | 40 to 85 | 25 | 309 | 2.4 to 5.5 | LH (SOT23W) |
| A3213EUA-T | SIP through hole | Bulk 500 pieces/bag | 40 to 150 | 25 | 309 | 2.4 to 5.5 | UA (SIP) |
| A3213LUA-T | SIP through hole | Bulk 500 pieces/bag | 40 to 150 | 25 | 309 | 2.4 to 5.5 | UA (SIP) |
| A3214ELHLT-T | Surface Mount | 7-in. reel 3000 pieces/reel | 40 to 85 | 0.10 | 6 | 2.4 to 5.5 | LH (SOT23W) |
| A3214ELHLX-T | Surface Mount | 13-in. reel 10000 pieces/reel | 40 to 85 | 0.10 | 6 | 2.4 to 5.5 | LH (SOT23W) |
| A3214EUA-T | SIP through hole | Bulk 500 pieces/bag | 40 to 85 | 0.10 | 6 | 2.4 to 5.5 | UA (SIP) |
Absolute Maximum Ratings
| Characteristic | Symbol | Rating | Units |
| Supply Voltage | VDD | 6 | V |
| Magnetic Flux Density | B | Unlimited | G |
| Output Off Voltage | VOUT | 6 | V |
| Output Current | IOUT | 1 | mA |
| Operating Ambient Temperature Range E | TA | 40 to 85 | C |
| Operating Ambient Temperature Range L | TA | 40 to 150 | C |
| Maximum Junction Temperature | TJ(max) | 165 | C |
| Storage Temperature | Tstg | 65 to 170 | C |
Electrical Characteristics
| 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 | |
| Duty Cycle | DC | A3213 | 25 | % | ||
| Duty Cycle | DC | A3214 | 0.10 | % | ||
| Supply Current (Chip awake) | IDD(EN) | Chip awake (enabled) | 2.0 | mA | ||
| Supply Current (Chip asleep) | IDD(DIS) | Chip asleep (disabled) | 8.0 | A | ||
| Average Supply Current | IDD(AVG) | A3213 | 309 | 850 | A | |
| Average Supply Current | IDD(AVG) | A3214 | 6 | 22 | A |
Magnetic Characteristics
| Characteristic | Symbol | Test Conditions | Min. | Typ. [5] | Max. | Units [6] |
| Operate Point (South pole) | BOPS | South pole to branded side | 42 | 70 | G | |
| Operate Point (North pole) | BOPN | North pole to branded side | 70 | 48 | G | |
| Release Point (South pole) | BRPS | South pole to branded side | 10 | 32 | G | |
| Release Point (North pole) | BRPN | North pole to branded side | 38 | 10 | G | |
| Hysteresis | Bhys | |BOPx - BRPx| | 10 | G |
2304140030_ALLEGRO-A3214LUA-T_C139819.pdf
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