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HT8970 Datasheet

  • HT8970

  • Voice Echo

  • 9頁(yè)

  • HOLTEK

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HT8970
Voice Echo
Features
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Operating voltage: 4.5V~5.5V
ADM algorithm
Low noise
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Echo mode:-85dB
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Surround mode:-90dB
Low distortion rate
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Echo mode: 1%
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Surround mode: 0.2%
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Built-in 20Kb SRAM
Automatic reset function
Package type: 16-pin DIP/SOP
Applications
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Television
Karaoke systems
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Video disc player
Sound equipments
General Description
The HT8970 is an echo/surround effect processor.
It is designed for various audio systems including
karaoke, television, sound equipments, etc. The
chip consists of a built-in pre-amplifier, VCO or
Voltage Control OSC, 20Kb SRAM, A/D and D/A
converters as well as delay time control logic.
Its built-in 20Kb SRAM can generate delay
time effect and can control the delay time value
through the external VCO resistor.
The VCO circuit can reduce external compo-
nents and make it easy to adjust the delay time.
1
March 14, 2000

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