TruSemi UM3561 Three Siren Generator
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
- Supplied in an 8-pin DIL package
|DC supply voltage||2.4V to 3.6V|
| Operating current||150µA max|
| Output current||3mA min|
| Frequency stability||20% max|
| 'H' input voltage||(VDD –0.2V) to VDD|
| 'L' input voltage||VSS 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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