3146 - 40 Second Message Recorder (ISD2540 ChipCorder IC)

This Message Recorder module uses a high quality 40 second non-volatile ISD2540 ChipCorder audio recording IC by Winbond and features a useful loop option that enables continuous playback of a message.

The IC has several modes of operation and we use it here as a sequential multi-message recorder (like a telephone message recorder). You can record as many messages as you want up to 40 seconds total (see Order Code 3064 for a 120 second version of this product). You can then play them back on command and there is loop option that enables continuous playback of a message.

Recording and playback operations are controlled using the RECORD/PLAYBACK mode switch and the START/PAUSE and STOP/RESET buttons. A switch is used to select Loop or Normal playback. Loop will repeat the message indefinitely with no pause between repeats.

Unit has a built-in microphone and LEDs to indicate recording and playback.

Technical Specifications
Supply	Regulated 5-6Vdc (Order Code AS3060-05 or PSU446 with connector 778.106)
Current Consumption	Playback ~50mA Recording ~25mA Standby <1mA
Output Type	50mW into 8-16 Ohm speaker (Order Code 4047)
Sampling Frequency	6.4 kHz
Board Dimensions	52 x 62mm
Board Connections	Screw terminal blocks
Product Format	Assembled Electronic Module (AS) more
Documentation	User Manual

• Can be combined with an LM386 audio amplifier IC for greater output volume (e.g. our Order Code 3017)