(ISD2500 Series) Single-Chip Voice Record/Playback Devices
Description
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ISD2500 Series
Single-Chip Voice Record/Playback Devices 32-*, 40-*, 48-*, 64-*, 60-, 75-, 90-, and 120-Second Durations
FEATURES
• • • Easy-to-use single-chip voice Record/ Playback solution High-quality, natural voice/audio reproduction Manual switch or microcontroller compatible Playback can be edge- or levelactivated Single-chip durations of 32*, 40*, 48*, 64*, 60, 75, 90, and 120 seconds Directly cascadable for longer durations Automatic Power-Down (Push-Button Mode) – Standby current 1 µA (typical) Zero-power message storage – Eliminates battery backup circuits • • • • • • • • Fully addressable to handle multiple messages 100-year message retention (typical) 100,000 record cycles (typical) On-chip clock source No algorithm development required Single +5 volt power supply Available in die form, DIP, SOIC, and TSOP packaging Industrial temperature (-40°C to +85°C) versions available
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ISD2500 SERIES SUMMARY
Part Number ISD2560 ISD2575 ISD2590 ISD25120 Duration (Seconds) 60 75 90 120 Input Sample Rate (KHz) 8.
0 6.
4 5.
3 4.
0 Typical Filter Pass Band (KHz) 3.
4 2.
7 2.
3 1.
7
ISD2532* ISD2540* ISD2548* ISD2564*
32 40 48 64
8.
0 6.
4 5.
3 4.
0
3.
4 2.
7 2.
3 1.
7
Information Storage Devices, Inc.
*
Advance information: ISD2532/40/48/64 devices.
1–79
ISD2500 Series
Product Data Sheets
GENERAL DESCRIPTION
Information Storage Devices' ISD2500 ChipCorder® Series provides high-quality, single-chip Record/Playback solutions for 32- to 120-second messaging applications.
The CMOS devices include an on-chip oscillator, microphone preamplifier, automatic gain control, antialiasing filter, smoothing filter, speaker amplifier, and high density multi-level storage array.
In addition, the ISD2500 is microcontroller compatible, allowing complex messaging and addressing to be achieved.
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 pat...
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