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AD1938WBSTZ 데이터시트(PDF) 5 Page - Analog Devices |
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AD1938WBSTZ 데이터시트(HTML) 5 Page - Analog Devices |
5 / 33 page AD1938 Data Sheet Rev. E | Page 4 of 32 Parameter Conditions Min Typ Max Unit Interchannel Isolation 100 dB Interchannel Phase Deviation 0 Degrees Volume Control Step 0.375 dB Volume Control Range 95 dB De-emphasis Gain Error ±0.6 dB Output Resistance at Each Pin 100 Ω REFERENCE Internal Reference Voltage FILTR pin 1.50 V External Reference Voltage FILTR pin 1.32 1.50 1.68 V Common-Mode Reference Output CM pin 1.50 V Specifications measured at a case temperature of 125°C. Table 2. Parameter Conditions Min Typ Max Unit ANALOG-TO-DIGITAL CONVERTERS ADC Resolution All ADCs 24 Bits Dynamic Range 20 Hz to 20 kHz, −60 dB input No Filter (RMS) 95 102 dB With A-Weighted Filter (RMS) 97 105 dB Total Harmonic Distortion + Noise −1 dBFS −96 −87 dB Full-Scale Input Voltage (Differential) 1.9 V rms Gain Error −10 +10 % Interchannel Gain Mismatch −0.25 +0.25 dB Offset Error −10 0 +10 mV DIGITAL-TO-ANALOG CONVERTERS Dynamic Range 20 Hz to 20 kHz, −60 dB input No Filter (RMS) 98 104 dB With A-Weighted Filter (RMS) 100 106 dB With A-Weighted Filter (Average) 108 dB Total Harmonic Distortion + Noise 0 dBFS Single-Ended Version Two channels running −92 dB Single-Ended Version Eight channels running −86 −70 dB Full-Scale Output Voltage 0.8775 (2.482) V rms (V p-p) Gain Error −10 +10 % Interchannel Gain Mismatch −0.2 +0.2 dB Offset Error −25 −4 25 mV Gain Drift −30 30 ppm/°C REFERENCE Internal Reference Voltage FILTR pin 1.50 V External Reference Voltage FILTR pin 1.32 1.50 1.68 V Common-Mode Reference Output CM pin 1.50 V CRYSTAL OSCILLATOR SPECIFICATIONS Table 3. Parameter Min Typ Max Unit Transconductance 3.5 mmhos |
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