PRODUCT
 
(12) Audio Controller IC
 
P/N Package Type Function Work
Voltage		 Short Form Detail Sheet
HK723

DIP-16L
* Audio echo processor IC
* Adjustable delay time between 30 ms ~ 700 ms for echo or surround mode
* Built in a adjustable oscillator
* Built in power on reset circuit and A/D , D/A circuit
* Built in 45K bits SRAM for delay control
4.5V ~ 5.5V HK723
(short form)		 HK723
HK725

DIP-16L
* Audio volume controller IC
* Built 2 channels into IC body, sound volume attenuation control by UP / DOWN key
* 0 dB ~ 66 dB changing with 2 dB attenuation for each step
* Both of dual power suppliers of ( + ) and ( - ) or single power supply can be used
6.0V ~ 12V HK725
(short form)		 HK725
 
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  Honsitak Electronics Co., Ltd.
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E-mail: service@honsitak-taiwan.com