ISD1806

PRELIMINARY www.DataSheet4U.com I1800 SERIES SINGLE-CHIP, SINGLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 6- TO 16-SECOND DURATION -1- Publication Release Date: May 2003 Revision 0.0 I1800 SERIES 1. GENERAL DESCRIPTION Winbond’s I1800 ChipCorder® provides high-quality, single chip, single-message, record/playback solution with user-selectable durations of 6 to 16 seconds. The CMOS devices include an on-chip oscillator (with external control), microphone preamplifier, automatic gain control, anti-aliasing filter, multilevel storage array, smoothing filter, and speaker amplifier. A minimum record/playback subsystem can be configured with a microphone, a speaker, several passive components, two push buttons, and a power source. Recordings are stored in on-chip nonvolatile memory cells, providing zero-power message storage. This unique, single-chip solution is made possible through Winbond’s www.DataSheet4U.com patented multilevel storage technology. Voice and audio signals are stored directly into memory in their natural form, providing high-quality, solid-state voice reproduction. 2. FEATURES Easy-to-use single-chip, single-message voice record/playback solution High-quality, natural voice/audio reproduction Push-button interface o Playback can be edge- or level-activated Sample Rate 8 KHz Duration I1806 I1810 ROSC 6 secs 8 secs 80 KΩ 7.5 secs 10 secs 100 KΩ 9 secs 12 secs 120 KΩ 12 secs 16 secs 160 KΩ 6.4 KHz 5.3 KHz 4 HKz Variable record/playback duration control...