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CS5371 데이터시트(PDF) 3 Page - Cirrus Logic |
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CS5371 데이터시트(HTML) 3 Page - Cirrus Logic |
3 / 22 page CS5371/CS5372 DS255PP2 3 1. CHARACTERISTICS/SPECIFICATIONS ANALOG CHARACTERISTICS Notes:T A = -40 °C to +85 °C; VA+ = 2.5 V ± 5%; VA- = -2.5 V ± 5%; VD = 3 V ± 5%; DGND = 0 V; MCLK = 2.048 MHz; LPWR = 0; VREF+/- = 2.5V (VREF- = -2.5 V; VREF+ = 0 V); Devices are connected as shown in Figure 3, the System Connection Diagram, unless otherwise specified. Notes: 1. Dynamic Range defined as 20log( (RMS full scale) / (RMS idle noise) ) 2. Tested with full scale input signal of 31.25 Hz; OWR = 1000 sps; OFST = 0 or OFST = 1. 3. Characterized with input signals of 31.25 Hz and 52.63 Hz, each 6 dB down from full scale, OWR = 1000 sps. 4. Specification is for the parameter over the specified temperature range and is for the CS5371/CS5372 devices only and does not include the effects of external components. 5. Specifications are guaranteed by design and/or characterization. 6. The offset after calibration specification applies to the effective offset voltage for a full scale input to the CS5371/CS5372 modulator, but is measured from the output digital codes from the CS5376. 7. The CS5371/CS5372 offset calibration is performed digitally and includes full scale range. Calibration offsets greater than ± 5% of full scale will begin to subtract from the dynamic range. Parameter Symbol CS5371-BS / CS5372-BS Unit Min Typ Max Specified Temperature Range TA -40 - +85 °C Dynamic Performance Dynamic Range (Note 1) OFST = 1 0 Hz to 1644 Hz 0 Hz to 822 Hz 0 Hz to 411 Hz 0 Hz to 206 Hz 0 Hz to 103 Hz 0 Hz to 51.5 Hz 0 Hz to 25.75 Hz SNR - - 121 - - - - 109 121 124 127 130 133 136 - - - - - - - dB dB dB dB dB dB dB Total Harmonic Distortion (Note 2) THD - -118 -112 dB Intermodulation Distortion (Note 3) IMD - -115 - dB DC Accuracy Channel to Channel Gain Variation CGV - 1 - % Full Scale Error (Note 4) FSE - 1 - % Full Scale Drift (Notes 4 and 5) TCFS - 5 - ppm/°C Offset (Notes 4) VZSE -1 - mV Offset after Calibration (Note 6) - ±1 - µV Offset Calibration Range (Note 7) - 100 - %F.S. Offset Drift (Notes 4 and 5) TCZSE -1 - µV/°C |
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