2024年4月8日发(作者：郜智杰)

元器件交易网

HT8970

VoiceEcho

Features

·

·

·

·

Operatingvoltage:4.5V~5.5V

ADMalgorithm

Lownoise

-

Echomode:-85dB

-

Surroundmode:-90dB

Lowdistortionrate

-

Echomode:1%

-

Surroundmode:0.2%

·

·

·

Built-in20KbSRAM

Automaticresetfunction

Packagetype:16-pinDIP/SOP

Applications

·

·

Television

Karaokesystems

·

·

Videodiscplayer

Soundequipments

GeneralDescription

TheHT8970isanecho/surroundeffectprocessor.

Itisdesignedforvariousaudiosystemsincluding

karaoke,television,soundequipments,

chipconsistsofabuilt-inpre-amplifier,VCOor

VoltageControlOSC,20KbSRAM,A/DandD/A

convertersaswellasdelaytimecontrollogic.

Itsbuilt-in20KbSRAMcangeneratedelay

timeeffectandcancontrolthedelaytimevalue

throughtheexternalVCOresistor.

TheVCOcircuitcanreduceexternalcompo-

nentsandmakeiteasytoadjustthedelaytime.

1March14,2000

元器件交易网

HT8970

BlockDiagram

B

PinAssignment

2March14,2000

2024年4月8日发(作者：郜智杰)

元器件交易网

HT8970

VoiceEcho

Features

·

·

·

·

Operatingvoltage:4.5V~5.5V

ADMalgorithm

Lownoise

-

Echomode:-85dB

-

Surroundmode:-90dB

Lowdistortionrate

-

Echomode:1%

-

Surroundmode:0.2%

·

·

·

Built-in20KbSRAM

Automaticresetfunction

Packagetype:16-pinDIP/SOP

Applications

·

·

Television

Karaokesystems

·

·

Videodiscplayer

Soundequipments

GeneralDescription

TheHT8970isanecho/surroundeffectprocessor.

Itisdesignedforvariousaudiosystemsincluding

karaoke,television,soundequipments,

chipconsistsofabuilt-inpre-amplifier,VCOor

VoltageControlOSC,20KbSRAM,A/DandD/A

convertersaswellasdelaytimecontrollogic.

Itsbuilt-in20KbSRAMcangeneratedelay

timeeffectandcancontrolthedelaytimevalue

throughtheexternalVCOresistor.

TheVCOcircuitcanreduceexternalcompo-

nentsandmakeiteasytoadjustthedelaytime.

1March14,2000

元器件交易网

HT8970

BlockDiagram

B

PinAssignment

2March14,2000