Winbond’s ISD1600B Series ChipCorder® is a single-message, single chip, record/playback solution with selectable durations from 6.6 to 40 seconds. The CMOS device includes an on-chip oscillator (via external control), microphone preamplifier, automatic gain control, anti-aliasing filter, Multi-Level Storage (MLS) array, smoothing filter, PWM Class D speaker amplifier for standard 8 speaker or buzzer, plus an extra current output. Recording is stored into the embedded Flash memory cells, providing zero-power message storage. This unique single-chip solution ultilizes Winbond’s patented MLS technology. Therefore, voice or audio data are stored directly into the memory in their natural form without any compressions alike digital approach, providing high-quality, solid-state audio reproduction. The device enters into standby mode automatically once an operation is completed for power saving purposes.
Moreover, a minimum record/playback subsystem can be configured with a microphone, a speaker or buzzer, several passive components, two push buttons, and a power source.

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