1 Features
- ultra-small low-cost short-term single-stage voice recorders.
- to provide pulse width modulation (PWM) and current outputs (AUD) two kinds of speaker output mode for 2 to 3 battery equipment.
- Operating voltage 2.4 ~ 5.5V, are available from 6.6 to 40 seconds continuous recording / playback function.
2 ISD1600B Series
Nuvoto launched in 2005 The ISD1600B Series includes the following models:
- ISD1610B from 6.6 to 20 sec
- ISD1612B from 8 to 24 sec
- ISD1616B from 10.6 to 32 sec
- ISD1620B from 13.3 to 40 sec
3 sampling frequency corresponding to the table with storage time

Adjust the sampling frequency corresponding to the different resistance:

4 timing diagram
Record operation

Playback Operation

5 ISD15100 series application circuit

Union Components - voice chip expert
Union Components honest industry for Winbond & Nuvoton authorized third-party technology partners, to support small series production, stable and accurate delivery time, low price, offers a variety of solutions.

