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ISD1810X Datasheet Preview

ISD1810X Datasheet

Single-Message Voice Record/Playback

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ISD1810
Single-Chip, Single-Message Voice Record/Playback
Device 8- to 16-Second Durations
Advance Information
GENERAL DESCRIPTION
Information Storage Devices’ ISD1810 ChipCorder®
provides high-quality, single-chip, single-message,
record/playback solution with user-selectable du-
rations of 8 to 16 seconds. The CMOS devices in-
clude an on-chip oscillator (with external control),
microphone preamplifier, automatic gain con-
trol, anti-aliasing filter, multilevel storage array,
smoothing filter, and speaker amplifier. A mini-
mum record/playback subsystem can be config-
ured with a microphone, a speaker, several
passive components, two push-buttons, and a
power source.
Recordings are stored in on-chip nonvolatile mem-
ory 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.
Figure: ISD1810 Block Diagram
July 2000
ISD · 2727 North First Street, San Jose, CA 95134 · TEL: 408/943-6666 · FAX: 408/544-1787 · http://www.isd.com




ISD

ISD1810X Datasheet Preview

ISD1810X Datasheet

Single-Message Voice Record/Playback

No Preview Available !

ISD1810 Product
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 level-
activated
Variable record/playback duration controlled
by external resistor selection which sets sample
rate.
8 KHz sample rate = 8 seconds
6.4 KHz sample rate = 10 seconds
5.3 KHz sample rate = 12 seconds
4.0 KHz sample rate = 16 seconds
Automatic power-down mode
Enters standby mode immediately fol-
lowing a record or playback cycle
0.5 µA standby current (typical)
On-chip 8 9 speaker driver
Zero-power message storage
Eliminates battery backup circuits
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 600 mil DIP
(for sampling only)
Part
Number
ISD1810
Minimum Duration1
(Seconds)
10
Maximum Input Sample Rate Typical Filter Upper
(KHz)1
Pass Band (KHz)1
6.4
2.6
NOTE A resistor value of 100 K9 at the ROSC pin provides this specified duration. Only this duration is
guaranteed and tested.
ii
Voice Solutions in Silicon


Part Number ISD1810X
Description Single-Message Voice Record/Playback
Maker ISD
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ISD1810X Datasheet PDF






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