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Part: ISD1810Series
Category:
Multimedia
-> Audio
-> Controllers
-> Management/Control
Description: Single-chip/single Message Voice Record/playback Devices 8-to-16 Second Durations
Company: Winbond Electronics Corp America
Datasheet: Download ISD1810Series datasheet File size : 159 kB
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Datasheet text preview:
ADVANCED INFORMATION
ISD1810
SINGLE-CHIP, SINGLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 8- TO 16-SECOND DURATIONS
Advanced Information Please check with Winbond for datasheet updates
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Publication Release Date: February 2003 Revision 0.1
ISD1810
1. GENERAL DESCRIPTION
Winbond's ISD1810 ChipCorder® provides high-quality, single chip, single-message, record/playback solution with user-selectable durations of 8 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 pushbuttons, 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 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
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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 8 KHz sample rate 6.4 KHz sample rate 5.3 KHz sample rate 4.0 KHz sample rate = = = = 8 seconds 10 seconds 12 seconds 16 seconds Variable record/playback duration controlled by external resistor selection which sets sample rate. o o o
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Automatic power-down mode o o Enters stanby mode immediately following a record or playback cycle 0.5 µA standby current (typical)
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On-chip 8 speaker driver Zero-power message storage o Eliminates battery backup cuircuits 100-year message retention (typical) 10,000 record cycles (typical) On-chip oscillator No algorithm development required Single +3 volt power supply Available in die form and 28-pin 300mil SOIC o 28-pin 600mil PDIP available for sampling only
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ISD1810
3. BLOCK DIAGRAM
XCLK ROSC
Internal Clock
Timing
Sampling Clock Active Antialiasing Filter Decoders Analog Transceivers Nonvolatile Multilevel Storage Array SP + Amp SP -
MIC MIC REF AGC
Active Smoothing Filter
AGC Amp Automatic Gain Control (AGC) Power Conditioning
Switch Device Control
VCCA
VSSA
VSSD
VCCD
FT
REC PLAYE PLAYL RECLED
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Publication Release Date: February 2003 Revision 0.1
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