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ES9028PRO 数据表(PDF) 47 Page - ESS Technology,Inc |
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ES9028PRO 数据表(HTML) 47 Page - ESS Technology,Inc |
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47 / 57 page  July 6, 2020 CONFIDENTIAL INFORMATION v3.6 ES9028PRO 32-Bit HyperStream® II 8-Channel Audio DAC 47 ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA. Tel (408) 643- 8800 • Fax (408) 643-8801 ANALOG PERFORMANCE Test Conditions (unless otherwise stated) 1. TA = 25oC, AVCC = +3.3V, VDD = +1.2V, fs = 44.1kHz, MCLK = 27MHz and 32-bit data 2. SNR / DNR: A-weighted over 20Hz-20kHz in averaging mode 3. THD+N: un-weighted over 20Hz-20kHz bandwidth PARAMETER CONDITIONS MIN TYP MAX UNIT Resolution 32 Bits XIN frequency 100 MHz MCLK (PCM normal mode) Asynchronous mode Synchronous mode >128FSR 128FSR ������������ 2������������_���������������� Hz MCLK (PCM OSF bypass mode) Asynchronous mode Synchronous mode 24FSR 16FSR MCLK (DSD mode) Asynchronous mode Synchronous mode 3FSR 2FSR MCLK (SPDIF mode) 386FSR FSR (PCM normal mode) Asynchronous mode Synchronous mode 384 768 kHz FSR (PCM OSF bypass mode) 1.536 MHz FSR (DSD mode) Asynchronous mode Synchronous mode 11.3 22.6 MHz FSR (SPDIF mode) 192 kHz DYNAMIC PERFORMANCE DNR (mono differential current mode) –60dBFS 135 dB-A DNR (stereo differential current mode) –60dBFS 133 dB-A DNR (8-Ch differential current mode) –60dBFS 129 dB-A THD+N (differential current mode) 0dBFS –120 dB ANALOG OUTPUT (per + or – pin of each differential DAC output pair) Output impedance (RDAC) 806 14% Voltage mode output range (VOPP) Full-scale out 0.924 x AVCC Vp-p Voltage mode output offset (VOCM) Bipolar zero out AVCC / 2 V Current mode output range Full-scale out 1000 x VOPP / RDAC mAp-p Current mode output offset Bipolar zero out to virtual ground held at VG (V) 1000 x (VOPP - VG) / RDAC mA Digital Filter Performance De-emphasis error 0.2 dB Mute Attenuation 127 dB IIR Filter Characteristics Pass band (-3dB) iir_bw=0 iir_bw=1 iir_bw=2 iir_bw=3 47 x fs/44100 50 x fs/44100 60 x fs/44100 70 x fs/44100 kHz Stop band attenuation 18 dB/oct |
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