| Customization: | Available |
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| Conductive Type: | Unipolar Integrated Circuit |
| Integration: | LSI |
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A1220LUA-T : A1220 - Chopper-Stabilized Precision Hall Effect Latch
Mfr. Part#: A1220LUA-T
Datasheet: 
(e-mail or chat us for PDF file)
ROHS Status:
Quality: 100% Original
Warranty: ONE YEAR
| Type: | Precision |
| Operating Supply Current: | 4 mA |
| Maximum Output Current: | 25 mA |
| Operating Point Min/Max: | 5 G to 40 G |
| Release Point Min/Max (Brp): | - 40 G to - 5 G |
| Operating Supply Voltage: | 3 V to 24 V |
| Minimum Operating Temperature: | - 40 C |
| Maximum Operating Temperature: | + 150 C |
| Mounting Style: | Through Hole |
| Package / Case: | SIP-3 |
| Series: | A1220-1-2-3 |
| Packaging: | Bulk |
| Brand: | Allegro MicroSystems |
| Moisture Sensitive: | Yes |
| Output Type: | Open Drain |
| Output Voltage: | 185 mV |
| Product Type: | Hall Effect / Magnetic Sensors |
| Factory Pack Quantity: | 500 |
| Subcategory: | Sensors |
| Supply Voltage - Max: | 24 V |
| Supply Voltage - Min: | 3 V |
| Termination Style: | Solder Pad |
The A1220, A1221, A1222, and A1223 Hall-effect sensor ICs are extremely temperature-stable and stress-resistant devices especially suited for operation over extended temperature ranges to 150°C. Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device overmolding, temperature dependencies, and thermal stress. Each device includes on a single silicon chip a voltage regulator, Hallvoltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short-circuit protected open-drain output to sink up to 25 mA. A south pole of sufficient strength turns the output on. A north pole of sufficient strength is necessary to turn the output off. An onboard regulator permits operation with supply voltages of 3 to 24 V. The advantage of operating down to 3 V is that the device can be used in 3 V applications or with additional external resistance in series with the supply pin for greater protection against high voltage transient events. Two package styles provide magnetically optimized packages for most applications. Package type LH is a modified 3-pin SOT23W surface-mount package, while UA is a three-pin ultra-mini SIP for through-hole mounting. Both packages are lead (Pb) free, with 100% matte-tin-plated leadframes.
FEATURES AND BENEFITS
• AEC-Q100 automotive qualified
• Quality Managed (QM)
• Symmetrical latch switch points
• Resistant to physical stress
• Superior temperature stability
• Output short-circuit protection
• Operation from unregulated supply down to 3 V
• Reverse-battery protection
• Solid-state reliability
• Small package sizes
TYPICAL APPLICATIONS
• Automotive
• Power closures/actuators
• Electronic power steering
• Seat/windows/sunroof motors
• Trunk/door/liftgate motors
• Industrial motor/encoders
• Commutation/index sensing
• BLDC motors
• Fan motors
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