Linear Hall-Effect Sensor ICs with Analog Output in Miniature Package

A1308, A1309

Allegro LH-UA Packaging

The A1308/9 linear Hall-effect sensor ICs provide accurate and stable analog output in miniature surface-mount and through-hole packages. Ideal for space-constrained automotive and industrial applications.

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Top Features

Packaging

  • 5 V 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 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 (UVLO)
  • Wide ambient temperature range: –40°C to 150°C
  • Immune to mechanical stress
  • Enhanced EMC performance for stringent automotive applications
  • Allegro Sensor Bias LDO

The A1308 and A1309 sensor ICs are offered in two package styles. The LH is a SOT-23W style, miniature, low-profile package for surface-mount applications. The UA is a 3-pin, ultramini, single inline package (SIP) for through-hole mounting. Both packages are lead (Pb) free, with 100% matte-tin leadframe plating.

LH Package Documentation

UA Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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