ISD5008
ISD5008 is Single-Chip Voice Record/Playback manufactured by ISD.
features for digital cellular phones (GSM, CDMA, TDMA, PDC, and PHS), automotive munications, GPS/navigation systems, and portable munication products. This low-power, 3volt product enables customers to quickly and easily integrate 4 to 8 minutes of voice storage features such as one-way and two-way (full duplex) call record, voice memo record, and call screening/answering machine functionality.
Like other Chip Corder products, the ISD5008 integrates the sampling clock, anti-aliasing and smoothing filters, and the multi-level storage array on a single-chip. For enhanced voice features
, the ISD5008 eliminates external circuitry by also integrating automatic gain control (AGC), a power amplifier/speaker...
