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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8580 датащи(PDF) 11 Page - Wolfson Microelectronics plc |
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WM8580 датащи(HTML) 11 Page - Wolfson Microelectronics plc |
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11 / 97 page  Production Data WM8580 w PD Rev 4.3 August 2007 11 Test Conditions AVDD, PVDD, VREFP = 5V, DVDD = 3.3V, AGND, VREFN = 0V, PGND, DGND = 0V, TA = +25 oC, 1kHz Signal, fs = 48kHz, 24- Bit Data, Slave Mode, MCLK, ADCMCLK = 256fs, 1Vrms Input Signal Level unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Analogue Reference Levels Reference voltage VVMID VREFP/2 – 50mV VREFP/2 VREFP/2 + 50mV V VREFP to VMID and VMID to VREFN VMIDSEL = 1 14 kΩ Potential divider resistance RVMID VREFP to VMID and VMID to VREFN VMIDSEL = 0 44 kΩ S/PDIF Transceiver Performance Jitter on recovered clock 50 ps S/PDIF Input Levels CMOS MODE Input LOW level VIL 0.3 X DVDD V Input HIGH level VIH 0.7 X DVDD V Input capacitance 1.25 pF Input Frequency 36 MHz S/PDIF Input Levels Comparator MODE Input capacitance 10 pF Input resistance 23 kΩ Input frequency 25 MHz Input Amplitude 200 0.5 X DVDD mV PLL Period Jitter 80 ps(rms) XTAL Input XTI LOW level VXIL 0 557 mV Input XTI HIGH level VXIH 853 mV Input XTI capacitance CXJ 3.32 4.491 pF Input XTI leakage IXleak 28.92 38.96 mA Output XTO LOW VXOL 15pF load capacitors 86 278 mV Output XTO HIGH VXOH 15pF load capacitors 1.458 1.942 V Supply Current Analogue supply current AVDD, VREFP = 5V 45 mA Analogue supply current AVDD, VREFP = 3.3V 30 mA Digital supply current DVDD = 3.3V 25 mA Power Down 500 µA Notes: 1. Ratio of output level with 1kHz full scale input, to the output level with all zeros into the digital input, measured ‘A’ weighted. 2. All performance measurements done with 20kHz low pass filter, and where noted an A-weight filter. Failure to use such a filter will result in higher THD+N and lower SNR and Dynamic Range readings than are found in the Electrical Characteristics. The low pass filter removes out of band noise; although it is not audible, it may affect dynamic specification values. 3. VMID decoupled with 10uF and 0.1uF capacitors (smaller values may result in reduced performance). 4. PSSR measured with VMID set to high impedance |
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