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AD3000/AD3008

AD3000/AD3008은 ADPCM decoder, Digital Amplifier와 Flash(8Mb/Option)를 내장한 Voice 전용 Chip이다.

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Description

 AD3000/AD3008은 ADPCM decoder를 내장한 Voice 전용 Chip으로 Digital Amplifier와 6~16 Ohm Speaker를 바로 연결할 수 있는 Speaker Driver를 내장하고 있다. AD3000은 Flash가 내장 되어 있지 않은 Version이고, AD3008은 Flash가 내장된 Version으로 구분되며 모두 외부에 Memory를 확장하여 사용할 수 있다. AD3000/AD3008 모두 Standalone Mode 또는 MCU Mode로 사용하는 것이 가능 하다.


 Features

- 16bits operation in ADPCM Decoder

- Stand-alone mode / SPI Interface mode

- Program Play : Selectable Phrase play / Sentence play

- Direct Play : PCM / ADPCM input

- Internal Flash Memory(Option) : 8Mbits(AD30008)

- Non-Encoded data can be saved in the internal / external flash memory for high quality

- Direct internal / external serial flash memory access

- Direct speaker drive with internal digital amplifier

- 600mW @ 8 Ohm, THD = 10% (VCC = 3.3V)

- 1.5W @ 8 Ohm, THD = 10% (VCC = 5.5V)

- X-tal oscillator or Passive ring oscillator : Master clock frequency is 16.384 or 32.768MHz

- Maximum 36 keys(matrix structure) at stand-alone mode

- Auto power save mode for low power consumption

- Sampling rate : 4, 8, 16KHz / 8, 16, 32KHz(X-tal : 16.384MHz / 32.768MHz)

- Maximum play time ( @ internal 8Mb flash, 4KHz sampling rate ) : 500 sec

- Two low dropout LDOs for internal / external flash or u-com

- POR

- Auto stand-by : under 0.1uA when no key input

- Supply Voltage : 2.8V ~ 5.5V

- Package : 44QFP

Application

- Home Appliance

- GPS/Navigation

- Toy

- Audiobook

- Announcement Device

- Door Lock