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CS42432 Arkusz danych(PDF) 25 Page - Cirrus Logic |
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CS42432 Arkusz danych(HTML) 25 Page - Cirrus Logic |
25 / 62 page DS673PP2 25 DC ELECTRICAL CHARACTERISTICS (AGND = 0 V; all voltages with respect to ground.) Notes: 24. Normal operation is defined as RST = HI with a 997 Hz, 0 dBFS input to the DAC and AUX port, and a 1 kHz, -1 dB analog input to the ADC port sampled at the highest Fs for each speed mode. DAC outputs are open, unless otherwise specified. 25. IDT measured with no external loading on pin (SDA). 26. Valid with the recommended capacitor values on FILT+ and VQ. Increasing the capacitance will also increase the PSRR. 27. Power Down Mode is defined as RST = LO with all clocks and data lines held static and no analog input. 28. Guaranteed by design. The DC current draw represents the allowed current draw from the VQ pin due to typical leakage through the electrolytic de-coupling capacitors. DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS Notes: 29. See “Digital I/O Pin Characteristics” on page 7 for serial and control port power rails. Parameters Symbol Min Typ Max Units Normal Operation (Note 24) Power Supply Current VA = 5.0 V VLS = VLC = VD = 3.3 V (Note 25) IA IDT - - 80 60.6 - - mA mA Power Dissipation VLS = VLC = VD = 3.3 V,5 V - 600 850 mW Power Supply Rejection Ratio 1 kHz (Note 26) 60 Hz PSRR - - 60 40 - - dB dB Power-down Mode (Note 27) Power Dissipation VLS = VLC = VD = 3.3 V,VA = 5 V - 1.25 - mW VQ Characteristics Nominal Voltage Output Impedance DC current source/sink (Note 28) - - - 0.5•VA 23 - - - 10 V k Ω µA FILT+ Nominal Voltage - VA - V Parameters (Note 29) Symbol Min Typ Max Units High-Level Output Voltage at Io=2 mA Serial Port Control Port VOH VLS-1.0 VLC-1.0 - - - - V V Low-Level Output Voltage at Io=2 mA Serial Port Control Port VOL - - - - 0.4 0.4 V V High-Level Input Voltage Serial Port Control Port VIH 0.7xVLS 0.7xVLC - - - - V V Low-Level Input Voltage Serial Port Control Port VIL - - - - 0.2xVLS 0.2xVLC V V Input Leakage Current Iin -- ±10 µA Input Capacitance (Note 21) - - 10 pF |
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Podobny opis - CS42432 |
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