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CS4385 Datasheet(PDF) 10 Page - Cirrus Logic |
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CS4385 Datasheet(HTML) 10 Page - Cirrus Logic |
10 / 55 page 10 DS671F2 CS4385 DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ) Test Conditions (unless otherwise specified): VA = 4.75 to 5.25 V; VLS = 1.71 to 5.25 V; VLC = 1.71 to 5.25 V; VD = 2.37 to 2.63 V; TA = -40°C to 85°C; Full-scale 997 Hz input sine wave (Note 1); Tested under max ac-load resistance ; Valid with FILT+ and VQ capacitors as shown in “Typical Connection Diagram” on page 19; Measure- ment Bandwidth 10 Hz to 20 kHz. Parameters Symbol Min Typ Max Units Fs = 48 kHz, 96 kHz, 192 kHz and DSD Dynamic Range (Note 1) 24-bit A-weighted unweighted 16-bit A-weighted (Note 2) unweighted 105 102 - - 114 111 97 94 - - - - dB dB dB dB Total Harmonic Distortion + Noise (Note 1) 24-bit 0 dB -20 dB -60 dB (Note 2) 16-bit 0 dB -20 dB -60 dB THD+N - - - - - - -100 -91 -51 -94 -74 -34 -91 - -42 - - - dB dB dB dB dB dB Idle Channel Noise / Signal-to-noise ratio A-weighted - 114 - dB Interchannel Isolation (1 kHz) - 110 - dB DC Accuracy Interchannel Gain Mismatch - 0.1 - dB Gain Drift - 100 - ppm/°C Analog Output Full-Scale Differential- PCM, DSD processor Output Voltage (Note 3) Direct DSD Mode VFS 1.28•VA 0.90•VA 1.32•VA 0.94•VA 1.36•VA 0.98•VA Vpp Vpp Output Impedance ZOUT -130 - Ω Max DC Current draw from an AOUT pin IOUTmax -1.0 - mA Min AC-Load Resistance RL -3 - k Ω Max Load Capacitance CL -100 - pF Quiescent Voltage VQ - 50% VA -VDC Max Current draw from VQ IQMAX -10 - μA |
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