Features: • Easy-to-use single-chip, single-message voice record/playback solution• High-quality, natural voice/audio reproduction• Push-button interface Playback can be edge- or levelactivated• Variable record/playback duration controlled by external resistor selection wh...
ISD1810: Features: • Easy-to-use single-chip, single-message voice record/playback solution• High-quality, natural voice/audio reproduction• Push-button interface Playback can be edge- or l...
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Information Storage Devices' ISD1810 ChipCorder® provides high-quality, single-chip, single-message, record/playback solution with user-selectable durations of 8 to 16 seconds. The CMOS devices ISD1810 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 ISD's patented multilevel storage technology. Voice and audio signals are stored directly into memory in their natural form, providing high-quality, solid-state voice reproduction.