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TruSemi UM3561 Three Siren Generator

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Brand: TruSemi MPN: UM3561
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100+ £0.927

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Three siren sound generator with three alarm sounds and one sound effect, designed for use in toys.

  • Operates from a 3V DC supply
  • A small 8Ω loudspeaker can be driven by using an external NPN transistor
  • The IC can deliver an output current of 3mA, and has a nominal current consumption of just 150µA
  • The oscillator frequency is typically 106.5kHz
  • CE Approved
  • Supplied in an 8-pin DIL package

DC supply voltage2.4V to 3.6V
Operating current150µA max
Output current3mA min
Frequency stability20% max
'H' input voltage(VDD –0.2V) to VDD
'L' input voltageVSS to (VSS +0.2V)

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11 February 2016 Question by: yogesh | Product code: 82-0704
Q. how much frequency generated by UM3561?
A. Hi Yogesh, thank you for your question. The typical frequency is 106.5kHz (106496 kHz) as stated in the data sheet.


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