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IC HK527 Ding Dong Door Chime - 8 Pin

A5307
Photo of a DIP 8 case.

$1.95

QTY Price
1 $1.95
10 $1.70
25 $1.55

Description

The HK527 is an integrated circuit, compact and versatile, created specifically for Ding Dong Door Chime applications. Equipped with 8 pins, this IC offers dual-tone sound effects, producing the classic "Ding-Dong" chime. Perfect for doorbells, toys, clock melodies, key chains, and security systems. Users can select either a single "Ding-Dong" or a double "Ding-Dong" sound output by utilizing the OPTION pin. The HK527 is pre-set to produce a double "Ding-Dong" sound.

Triggered by a one-shot re-trigger mode on the TG pin, this circuit ensures reliable performance. Moreover, the sound quality can be adjusted by modifying the values of capacitors and resistors connected to the E1 or E2 pin. This feature allows users to fine-tune and customize the chime sound to suit their preferences.

See also PCB to suit Doorbell IC.

Features

  • Ding-Dong sound with dual tone sound effect
  • Can be selecting 1 time or 2 times from OPTION pin for sound output
  • Trigger type by one shot re-trigger mode when TG pin is triggered
  • Fixed on 2 times sound output
  • Sound quality can be modify by capacitors & resistors value of E1 or E2 pin
  • Perfect for door bells, toys, clock melody, key chains and security systems

Specifications

Operating Voltage

Typical: 3V Range: 2.2V to 5.6V

Typical Operating Current

0.1mA

Typical Standby Current

1µA

Operating Temperature Range

0°C to 60°C

Resources

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