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TC9470FN Folha de dados(PDF) 1 Page - Toshiba Semiconductor |
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TC9470FN Folha de dados(HTML) 1 Page - Toshiba Semiconductor |
1 / 19 page TC9470FN 2002-02-27 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9470FN Σ-∆ Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog Filter The TC9470FN is a second-order Σ-∆ modulation system 1-bit DA converter incorporating an 8-times oversampling digital filter, dynamic digital bass boost function for use with compressor operations and an analog filter developed for digital audio equipment. Because the IC includes an analog filter, it can output a direct analog waveform, thus reducing the size and cost of the DA converter. Features · Built-in 8-times oversampling digital filter · Low-voltage operations (2.4 V) possible · Built-in digital de-emphasis filter · Built-in dynamic digital bass boost function · In serial control mode, output amplitude can be set in 4096 steps of resolution using microcontroller commands · In parallel control mode, soft mute can be set for the output signal in 64 steps in 23 ms · Built-in LR common digital zero detection output circuit · Sampling frequency: 44.1 kHz · Supports 384 fs/256 fs (automatic switching) · DA converter oversampling ratio (OSR): 192 fs (at 384 fs) · Stereo/monaural output selection possible · Built-in third-order analog filter · The digital filter and DA converter characteristics are shown on the next page Digital Filter Digital Filter Passband Ripple Transient Bandwidth Attenuation Standard operation 8 fs ±0.11dB 20 k to 24.1 kHz −26dB or less DA Converter (VDD = 2.7 V) OSR Noise Distortion S/N Ratio Standard operation 192 fs −82dB (typ.) 90dB (typ.) Weight: 0.14 g (typ.) |
Nº de peça semelhante - TC9470FN |
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Descrição semelhante - TC9470FN |
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