TC9470FN ,Summ-Delta Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog FilterFeatures Weight: 0.14 g (typ.) Built-in 8-times oversampling digital filter Low-voltage opera ..
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TC9470FN
Summ-Delta Modulation DA Converter with Built-in 8-Times Oversampling Digital Filter/Dynamic Digital Bass Boost/Analog Filter
TC9470FN 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 8 fs
DA Converter (VDD = 2.7 V) Weight: 0.14 g (typ.)
