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CS4349-DZZ Datasheet(PDF) 9 Page - Cirrus Logic |
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CS4349-DZZ Datasheet(HTML) 9 Page - Cirrus Logic |
9 / 40 page DS782F1 9 CS4349 DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CZZ) Test conditions (unless otherwise specified): VLS = VLC = 3.3 V; TA = 25° C; input test signal is a 997 Hz sine wave; Valid with the recommended capacitor values on VFILT, VQ, and VBIAS and output circuit as shown in the typical con- nection diagram in Figure 10 and Figure 17; Fs = 48 kHz, 96 kHz, and 192 kHz; measurement bandwidth 10 Hz to 20 kHz. Notes: 3. One-half LSB of triangular PDF dither is added to data. See Figure 3, Figure 4, and Figure 5 for details on THD+N performance. 4. RL and CL represent the minimum resistance and maximum capacitance required for the CS4349’s in- ternal op-amp to remain stable. See Figure 1 and Figure 2 for more details. Parameter Symbol Min Typ Max Unit VA = 5.0 V Dynamic Range (Note 3) 24-bit A-Weighted unweighted 16-bit A-Weighted unweighted 98 95 - - 101 98 95 92 - - - - dB dB dB dB Total Harmonic Distortion + Noise (Note 3) 24-bit 0 dB -20 dB -60 dB 16-bit 0 dB -20 dB -60 dB THD+N - - - - - - - -91 -78 -38 -90 -72 -32 -85 - -35 - - - dB dB dB dB dB dB VA = 3.3 V Dynamic Range (Note 3) 24-bit A-Weighted unweighted 16-bit A-Weighted unweighted 98 95 - - 101 98 95 92 - - - - dB dB dB dB Total Harmonic Distortion + Noise (Note 3) 24-bit 0 dB -2 dB -20 dB -60 dB 16-bit 0 dB -20 dB -60 dB THD+N - - - - - - - -86 -91 -78 -38 -83 -72 -32 -79 - - -35 - - - dB dB dB dB dB dB dB VA = 5.0 to 3.3 V Interchannel Isolation (1 kHz) - 100 - dB DC Accuracy Interchannel Gain Mismatch - 0.1 0.25 dB Gain Drift - -400 - ppm/°C Analog Output Full Scale Output Voltage 2.70 2.78 2.97 Vpp Quiescent Voltage VQ -0.5•VA - VDC Max DC Current draw from an AOUT pin IOUTmax -10 - μA Max Current draw from VQ IQmax - 100 - μA Max AC-Load Resistance (Note 4) RL -3 - k Ω Max Load Capacitance (Note 4) CL - 100 - pF Output Impedance ZOUT - 100 - Ω |
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