Allegro MicroSystems A1308 & A1309 Linear Hall-Effect Sensor ICs
Allegro MicroSystems A1308 and A1309 Linear Hall-Effect Sensor ICs are temperature-stable devices in through-hole and surface-mount packages. These sensor ICs feature nonvolatile memory to optimize device sensitivity and the quiescent voltage output for a given application or circuit. The Hall-effect sensor ICs provide a voltage output proportional to the applied magnetic field, and the Quiescent voltage output is adjusted roughly 50% of the supply voltage. The accuracy of the sensor ICs is improved through end-of-line optimization. These Hall-effect sensor ICs operate at 5V supply voltage and feature high-bandwidth, low-noise analog output. The sensor ICs operate within the –40°C to 150°C temperature range and are immune to mechanical stress.
Features
- 5V supply operation
- QVO temperature coefficient programmed at Allegro™ for improved accuracy
- Miniature package options
- High-bandwidth, low-noise analog output
- High-speed chopping scheme minimizes QVO drift across the operating temperature range
- Temperature-stable quiescent voltage output and sensitivity
- Precise recoverability after temperature cycling
- Output voltage clamps provide short-circuit diagnostic capabilities
- Undervoltage lockout
- Immune to mechanical stress
- Enhanced EMC performance for stringent automotive applications
Specifications
- Absolute maximum ratings:
- 8V forward supply voltage (VCC)
- -0.1V reverse supply voltage (VRCC)
- 7V forward output voltage (VOUT)
- -0.1V reverse output voltage (VROUT)
- 2mA (VOUT to GND) output source current (IOUT(SOURCE))
- 10mA (VCC to VOUT) output sink current (IOUT(SINK))
- Operating ambient temperature range (TA):
- –40°C to 125°C (Range K)
- –40°C to 150°C (Range L)
- –65°C to 170°C storage temperature range (Tstg)
- 165°C maximum junction temperature (TJ(max))
- 9mA to 11.5mA supply current range (ICC) at no load on VOUT
- 7.3V supply Zener clamp voltage (VZ) at TA=25°C, ICC=14.5mA
- 20kHz internal bandwidth (BWi) at small signal –3dB
- 400kHz chopping frequency (fc) at TA=25°C
Functional Block Diagram
Typical Application Circuit
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View Results ( 21 ) Page
| Part Number | Operating Supply Current | Maximum Output Current | Mounting Style | Package/Case | Standard Pack Qty | Sensitivity | Output Type |
|---|---|---|---|---|---|---|---|
| A1308LLHLT-1-T | 9 mA | 10 mA | SMD/SMT | SOT-23-3 | 3000 | 1.3 mV/G | Forward |
| A1308LLHLX-2-T | 9 mA | 10 mA | SMD/SMT | SOT-23-3 | 10000 | 2.5 mV/G | Analog |
| A1308LLHLX-1-T | 9 mA | 10 mA | SMD/SMT | HLH-3 | 10000 | ||
| A1308KUA-1-T | 9 mA | 10 mA | Through Hole | SIP-3 | 4000 | 1.3 mV/G | Forward |
| A1309LLHLX-9-T | 9 mA | 10 mA | SMD/SMT | HLH-3 | 10000 | ||
| A1308LLHLT-2-T | 9 mA | 10 mA | SMD/SMT | HLH-3 | 3000 | ||
| A1308LLHLX-05-T | 9 mA | 10 mA | SMD/SMT | HLH-3 | 10000 | ||
| A1309LLHLT-9-T | 9 mA | 10 mA | SMD/SMT | SOT-23-3 | 3000 | 9 mV/G | Analog |
| A1308KUA-2-T | 9 mA | 10 mA | Through Hole | SIP-3 | 4000 | 2.5 mV/G | Forward |
| A1309KUA-9-T | 9 mA | 10 mA | Through Hole | UAG-3 | 4000 |
Published: 2023-03-24
| Updated: 2023-05-19