FEATURES

• Single power supply: 2.4V to 5.5V
• Ease-to-use single-chip, single-message voice record/playback solution
• Active low on all control inputs for operations
• High-quality, natural voice/audio reproduction
• Either level-hold or one-shot for recording operation
• Either edge-triggered or level-hold triggered for playback operation
• Optional beeping sound effects for recording operation
• 100-year message retention

TYPICAL APPLICATION CIRCUIT

The following typical application examples on ISD1806B series are for references only. They make no representation or warranty that such applications shall be suitable for the use specified. Each design has to be optimized in its own system for the best performance on voice quality, current consumption, functionalities and etc.

It is important to have a separate path for each ground and power back to the related terminals to minimize the noise. Besides, the power supplies should be decoupled as close to the device as possible.