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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STV8207 датащи(PDF) 135 Page - STMicroelectronics |
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STV8207 датащи(HTML) 135 Page - STMicroelectronics |
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135 / 149 page  135/149 STV82x7 Electrical Characteristics 13.8 SCART and MONO IN to I²S Path Characteristics Test Conditions: Sampling Frequency = 32KHz, Maximum MONO_IN voltage = 0.5 VRMS. 13.9 I2S to LS/HP/SUB/C Path Characteristics Test Conditions: Sampling Frequency = 32KHz, LLOAD = 100 µH, CLOAD = 33nF, RLOAD = 30KΩ. CLIPSCART Clipping SCART Clipping input level from SCART input At 1 kHz 1% THD 2.0 VRMS Clipping input level from MONO_IN input 0.5 VRMS THDSCART THD SCART THD from SCART input 1 VRMS, at 1 KHz 0.02 0.05 % THD from MONO_IN input 0.25 VRMS, at 1 KHz 0.02 0.05 % SNRSCART Signal to Noise Ratio SCART input 1 VRMS, 20 Hz to 20 kHz Bandwidth, RMS unweighted 82 dB MONO_IN input 0.25 VRMS, 20 Hz to 20 kHz Bandwidth, RMS unweighted 76 dB BANDSCART Frequency Flatness SCART input 20 Hz to 20 kHz -0.5 0.5 dB MONO_IN input 20 Hz to 20 kHz 11.5 12 12.5 dB XTALKL/R Left/Right Crosstalk 1VRMS @ 1 kHz on ref signal, the other one grounded 80 90 dB XTALKIN Audio Crosstalk from Input Channel n to Input Channel m 1VRMS @ 1 kHz on ref signal, all other inputs grounded 80 90 dB XTALKOUT Audio Crosstalk from Output Channel n to Output Channel m 1VRMS @ 1 kHz on reference output, signal on a single input, all other inputs grounded 80 90 dB Symbol Parameter Test Conditions Min. Typ. Max. Units THDADC THD ADC THD from SCART input VIN = 2 VRMS at 1 KHz 0.006 0.05 % THD from MONO_IN input VIN = 0.5 VRMS at 1 KHz 0.006 0.05 % SNRADC Signal to Noise Ratio 20 to 15 kHz Bandwidth, RMS unweighted VIN = 200 mVRMS SCART input 62 dB BANDADC Frequency Flatness 20 Hz to 15 kHz ±0.5 dB XTALKADC Left Right Crosstalk at 1 KHz, VIN = 1 VRMS 95 dB Symbol Parameter Test Conditions Min. Typ. Max. Units ROUTDAC Output Resistance for Main Outputs LS_L, LS_R, LS_SUB, LS_C, HP_LSS_R and HP_LSS_L pins 90 140 Ω VDCOUTDAC MAIN Output DC Level 1.54 V Symbol Parameter Test Conditions Min. Typ. Max. Units |
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