Winbond Electronics Corporation ISD1600B
the ISD1600B devices are optimized for a wide range of battery or line-powered applications. The devices include an on-chip oscillator (with external resistor control), microphone preamplifier with Automatic Gain Control (AGC), anti-aliasing filter, Multi-Level Storage (MLS) array, smoothing filter, Pulse Width Modulation (PWM) Class D speaker driver, and current output. The PWM output can directly drive a standard 8 Ω speaker or a typical buzzer, while the separate single-ended current output can drive an external amplifier.
| Part No. |
ISD1600B |
| Datasheet |
ISD1600B
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| Manufacturer |
 Winbond Electronics Corporation |
| Description |
Voice Record & Playback Devices |
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GENERAL DESCRIPTION
The Winbond® ISD1600B ChipCorder® Series is a high quality, fully integrated, single-chip singlemessage voice record and playback device ideally suited to a variety of electronic systems. The message duration is user selectable in ranges from 6.6 seconds to 40 seconds, depending on the specific device. The sampling frequency of each device can also be adjusted from 4 kHz to 12 kHz with an external resistor, giving the user greater flexibility in duration versus recording quality for each application. Operating voltage spans a range from 2.4 V to 5.5 V to ensure that Voice signals can be fed into the chip through a differential microphone input for recording. Recordings are stored into the on-chip Flash memory cells, providing zero-power message storage. This unique single-chip solution is made possible through Winbond’s patented Multi-Level Storage (MLS) technology. Audio data are stored directly in solid-state memory without digital compression, providing superior quality voice and music reproduction.
