Diodes Incorporated
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AH1885 (Obsolete)

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Description

AH1885 is with two Hall effect plates and dual CMOS output driver, mainly designed for battery–powered, hand-held equipment (such as Cellular and Cordless Phone, PDA). The total operation power is down to 15uW in the 1.8V supply. Either north or south pole of sufficient strength will turn the output1 on. The output1 will be turned off under no magnetic field. While the magnetic flux density (B) is larger than operate point (Bop), the output1 will be turned on (low), the output1 is held until B is lower than release point (Brp), then turned off.

Application(s)

  • Cellular phone
  • PDA
  • Cordless phone

Product Specifications

Product Parameters

# Outputs 2
ActiveHigh orLow Low
Compliance (Only Automotive supports PPAP) No
Average Supply Current (µA) 7
Max OperatingPoint ±Bop(Guass) 59
Max ReleasePoint ±Brp(Guass) N/A
Min OperatingPoint ±Bop (Guass) 18
Min ReleasePoint ±Brp(Guass) 15
Operating Ambient Temperature Range (°C) -40 to 85
Operating Voltage (V) 1.65 to 3.3
Output Type Push-Pull
AEC Qualified No
Sensitivity High
Typ OperatingPoint ±Bop(Guass) 37
Typ ReleasePoint ±Brp(Guass) 29

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TN1.pdf