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NTP-2000
Small package for 2.1ch full digital audio amplifier processor
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Overview
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NTP-2000 is a one chip solution for full digital amplifier system. NTP-2000 integrates various digital audio signal processing and digital amplifier processor. NTP-2000 is designed and optimized for 2.1ch audio systems. It accepts two channel of serial audio data of 8kHz~192kHz sampling frequency and drives three digital amplifier power stage with high optimized control algorithm. By combined use of built-in mixer and biquad filters, additional processing like bass management, loudness control, loud speaker distortion cancellation and preset parametric equalizer can be implemented. The operational setup and control of NTP-2000 in most application can be done through I©÷C host interface provided. |
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Applications
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Digital TV product
PDP, LCD TV, Projection TV
Mini/ micro audio component
2.1ch PC speaker, gaming device
Active speaker system
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Functional block diagram
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Features
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Input |
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2 channel I©÷S input
8~192kHz sampling frequency support
Micom controlled thru I©÷C
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Output |
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3 channel PWM output
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Pre-processing |
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Floating point operation
Adaptive loudness compensation
Total 18 biquad filters
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7 biquad filters per each channel (left/ right)
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4 biquad filters subwoofer channel
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Bass management for active/ passive subwoofer
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Programmable parametric EQ
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Loudness control
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Loud-speaker EQ etc.
NeoFi-3D surround algorithm
Two stage volume control +48~-¡ÄdB range, 0.0625dB step
Dynamic range control
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48 pin LQFP package |
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1.8V core, 3.3V I/O
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