Published:2012/9/27 21:24:00 Author:muriel | Keyword: APR 9301, Voice Recorder | From:SeekIC
APR 9301 is a single chip Voice recorder and Play back device for 20 to 30 seconds voice recording and play back. It is an ideal IC for automatic answering machine, door phones etc. This IC has data storage capacity and requires no software and microcontroller. It provides high quality voice recording and play back up to 30 seconds.APR9301 Datasheet
The IC requires minimum components to create a voice recorder. The IC has non volatile flash memory technology with 100K recording cycles and 100 year message retention capacity. The IC utilizes the Invox proprietary analog / multi level flash non volatile memory cells that can store more than 256 voltage levels. It requires a single 5 volt supply and operates in 25 mA current.
APR 9301 Voice Recorder Circuit
Mode of operation
1. Record ModeThe LED glows when the IC records the voice obtained through the Mic. A single voice message up to 20 seconds can be recorded. The IC remains in the recorded mode as long as the RecL pin 27 is grounded. Recoding will be terminated with the last memory when 20 seconds is over. The Speaker driver will automatically mutes in the recording mode. By changing the value of the OscR resistor R1 it is possible to increase the recording period as follows
A. R1 52K 20 Sec.B. R1 67 K 24 SecC. R1 89 K 30 Sec.
APR 9301 IC
Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Electrical_Equipment_Circuit/APR_9301_Voice_Recorder.html
Print this Page | Comments | Reading(3)
Code: