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CS4353-CNZR 데이터시트(PDF) 7 Page - Cirrus Logic |
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CS4353-CNZR 데이터시트(HTML) 7 Page - Cirrus Logic |
7 / 28 page DS803PP1 7 CS4353 DAC ANALOG CHARACTERISTICS (COMMERCIAL - CNZ) Test conditions (unless otherwise specified): TA = 25 °C; VCP = VA = 3.3 V; AOUT_REF = AGND = DGND = CPGND = 0 V; VBIAS, +/-VFILT, and FLYP/N+/- capacitors as shown in Figure 3 on page 13; input test signal is a 997 Hz sine wave at 0 dBFS; measurement bandwidth 10 Hz to 20 kHz. Notes: 2. Measured between the AOUTx and AOUT_REF pins. 3. One-half LSB of triangular PDF dither is added to data. 4. Measured with the specified minimum AC-Load Resistance present on the AOUTx pins. Additional im- pedance between the AOUTx pin and the load will lower the voltage delivered to the load. 5. VPP is the controlling specification. VRMS specification valid for sine wave signals only. Note that for sine wave signals: 6. Measured with AOUT_REF connected directly to ground. Additional impedance between AOUT_REF and ground will lower the AOUT_REF rejection. 7. SDIN = 0. AOUT_REF input test signal is a 60 Hz, 50 mVpp sine wave. Measured by applying the test signal into the AOUT_REF pin and measuring the resulting output amplitude on the AOUTx pin. Spec- ification calculated by: 1_2VRMS = 0 1_2VRMS = 1 Parameter Symbol Min Typ Max Min Typ Max Unit Dynamic Performance, Fs = 48, 96, and 192 kHz (Notes 2, 3) Dynamic Range 24-bit A-Weighted unweighted 16-bit A-Weighted unweighted 94 91 - - 100 97 92 89 - - - - 100 97 - - 106 103 98 95 - - - - dB dB dB dB Total Harmonic Distortion + Noise 24-bit 0 dB -20 dB -60 dB 16-bit 0 dB -20 dB -60 dB THD+N - - - - - - - -93 -77 -37 -93 -75 -29 -87 -71 -31 - - - - - - - - - - -93 -83 -43 -93 -75 -35 -87 -77 -37 - - - dB dB dB dB dB dB Idle Channel Noise / Signal-to-Noise Ratio (A-wt) - 100 - - 106 - dB Interchannel Isolation (1 kHz) - 115 - - 115 - dB Analog Output (Note 2) Full Scale AOUTx Output Voltage (Notes 4, 5) 0.981.051.121.962.102.25 VRMS 2.77 2.97 3.17 5.54 5.94 6.36 Vpp Max Current Draw from an AOUTx Pin IOUTmax -575 - - 575- µA Interchannel Gain Mismatch - 0.1 - - 0.1 - dB Output Offset - ±5 ±8 - ±5 ±8 mV Gain Drift - 100 - - 100 - ppm/°C Output Impedance ZOUT -100 - - 100- Ω AC-Load Resistance RL 5- -5- - k Ω Load Capacitance CL - - 1000 - - 1000 pF AOUT_REF Rejection (Notes 6, 7) AOR -40- -40- dB Analog Reference Input AOUT_REF Input Voltage (Note 8) -- 0.2 - - 0.2 Vpp VRMS Vpp 22 ---------- = AOR dB 20 log 10 AOUT_REF AOUT_REF AOUTx – --------------------------------------------------------- ⎝⎠ ⎛⎞ ⋅ = |
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