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CS5181 데이터시트(PDF) 4 Page - Cirrus Logic |
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CS5181 데이터시트(HTML) 4 Page - Cirrus Logic |
4 / 24 page CS5181 4 DS250PP1 CHARACTERISTICS/SPECIFICATIONS ANALOG CHARACTERISTICS (T A = -40 to 85 °C; VA+ = 5 V ±5%, VD+ = 3.3 V ±0.3V; AGND = DGND = 0 V; MCLK = 40.0 MHz; VREFIN = VREFOUT; MODE = VD+; Analog Source Impedance = 301 Ohms with 2200 pF to AGND; Full-Scale input Sinewave at 22 kHz; Unless otherwise noted.) Notes: 1. Dynamic range is tested with a 22 kHz input signal 60 dB below full scale. 2. Specification guaranteed by design, characterization, and/or test. 3. Full scale fully-differential input span is nominally 1.6 X the VREFIN voltage. The peak negative excursion of the signals at AIN+ or AIN- should not go below AGND for proper operation. 4. VREFIN current is less than 1 µA under normal operation, but can be as high as ±320 µA during calibration. 5. Drift of the on-chip reference alone is typically about ±30 ppm/°C. If using an external reference, total full scale drift will be that of the external reference plus an additional ±20 ppm/°C, which is the typical drift of the X1.6 buffer. 6. Applies after self-calibration at final operating ambient temperature. Parameter Symbol Min Typ Max Unit Dynamic Performance Dynamic Range (Note 1) DR 89 93 - dB Total Harmonic Distortion @ 22 kHz (Note 1) THD 84 89 - dB Signal to (Noise + Distortion) SINAD 82 87 - dB Spurious Free Dynamic Range SFDR 84 90 - dBc Static Performance Integral Nonlinearity (Note 2) INL - ±2 - LSB Differential Non-Linearity (Note 2) DNL - - ±0.5 LSB Full Scale Error (Note 6) - ±8 - LSB Full Scale Drift with Internal Reference (Notes 2 and 5) - ±50 - ppm/°C Offset Error (Note 6) - ±8 - LSB Offset Drift (Note 2) - ±6.0 - µV/°C Analog Input Differential Input Voltage Range (Note 3) - 1.6 X VREFIN -Vpp Common Mode Range CMR 1 - VREFIN + 0.25 V Input Capacitance - 4.0 - pF Differential Input Impedance (capacitive) - 300 - k Ω Common Mode Rejection Ratio (Note 2) CMRR 50 - - dB Common Mode Input Current - ±160 ±320 µA Reference Input VREFIN 2.25 2.375 2.6 V VREFIN Current (Note 4) - 1 ±320 µA Reference Output VREFOUT Voltage 2.25 2.375 2.5 V VREFOUT Output Current - - ±500 µA VREFOUT Impedance - 0.1 - Ω |
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