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CS42325 датащи(PDF) 18 Page - Cirrus Logic |
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CS42325 датащи(HTML) 18 Page - Cirrus Logic |
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18 / 71 page ![]() 18 DS838A2 CS42325 DAC ANALOG CHARACTERISTICS - AUTOMOTIVE (-DQZ) Test Conditions (unless otherwise specified): VA = 3.13 V to 3.47 V, VD = 3.13 V to 3.47 V, VL = 1.71 V to 3.47 V, VA_H = 8.55 V to 12.60 V, GND = GNDH = 0 V; TA = -40° C to +85° C; 997 Hz Full-Scale Output Sine Wave. Decoupling capacitors, filter capacitors, and recommended output filter as shown in Figure 7 on page 26 and Fig- ure 8 on page 27; Fs = 48 kHz or 96 kHz; Synchronous Mode; Measurement Bandwidth 10 Hz to 20 kHz, Parameter Symbol Min Typ Max Unit RL = 5 kΩ Dynamic Range (Note 7) 18 to 24-Bit A-weighted unweighted 16-Bit A-weighted unweighted 90 87 83 80 100 97 93 90 - - - - dB dB dB dB Total Harmonic Distortion + Noise (Note 7) 18 to 24-Bit 0 dB -20 dB -60 dB 16-Bit 0 dB -20 dB -60 dB THD+N - - - - - - -90 -77 -37 -87 -77 -37 -80 -67 -27 -77 -67 -27 dB dB dB dB dB dB Interchannel Isolation (1 kHz) - -100 - dB RL = 32 Ω Dynamic Range (Note 7) 18 to 24-Bit A-weighted unweighted 16-Bit A-weighted unweighted 90 87 83 80 100 97 93 90 - - - - dB dB dB dB Total Harmonic Distortion + Noise (Note 7) 18 to 24-Bit 0 dB -3 dB -20 dB -60 dB 16-Bit 0 dB -20 dB -60 dB THD+N - - - - - - - -40 -54 -77 -37 -40 -73 -30 -20 -44 -67 -27 -30 -63 -20 dB dB dB dB dB dB dB Interchannel Isolation (1 kHz) - -80 - dB Other Characteristics for RL = 32 Ω or 5 kΩ Full-Scale Output Voltage (Note 8) 1.9 2.0 2.1 Vrms Max current draw from an AOUT1x or AOUT2x pin IOUT - 575 - μA AC-Load Resistance (AOUT1x and AOUT2x) (Note 9) RL 5- - k Ω AC-Load Resistance (AOUT3x/HPx) (Note 9) RL 16 - - Ω Load Capacitance (Note 9) CL -- 100 pF Output Impedance ZOUT 40 50 60 Ω Interchannel Gain Mismatch - 0.1 0.25 dB Gain Drift - 100 - ppm/°C |
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