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AD74111 Datasheet(PDF) 3 Page - Analog Devices |
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AD74111 Datasheet(HTML) 3 Page - Analog Devices |
3 / 21 page REV. 0 –2– AD74111–SPECIFICATIONS (AVDD = 2.5 V ± 5%, DVDD2 = 2.5 V ± 5%, DVDD1 = 2.5 V ± 5%, fMCLK = 12.288 MHz, fS = 48 kHz, TA = TMIN to TMAX, unless otherwise noted.) Parameter Conditions Min Typ Max Unit ANALOG-TO-DIGITAL CONVERTERS ADC Resolution 24 Bits Signal to Noise Ratio (SNR) fS = 16 kHz 70 77 dB Dynamic Range (20 Hz to 20 kHz, –60 dB Input) No Filter fS = 48 kHz 85 dB fS = 16 kHz 78 85 dB With A-Weighted Filter fS = 48 kHz 87 dB Total Harmonic Distortion + Noise fS = 48 kHz, PGA = 0 dB –67 dB fS = 16 kHz –75 dB Programmable Input Gain 12 dB Gain Step Size 3dB Offset Error –55 +30 +80 mV Full-Scale Input Voltage 0.5 V rms Input Resistance 4k Ω Input Capacitance 15 pF Common-Mode Input Volts 1.125 V Crosstalk ADC Input Signal = 1.0 kHz, 100 dB 0 dB; DAC Output = DC DIGITAL-TO-ANALOG CONVERTERS DAC Resolution 24 Bits Signal to Noise Ratio (SNR) fS = 16 kHz 80 89 dB Dynamic Range (20 Hz to 20 kHz, –60 dB Input) No Filter fS = 48 kHz 93 dB fS = 16 kHz 84 93 dB With A-Weighted Filter fS = 48 kHz 95 dB Total Harmonic Distortion + Noise fS = 48 kHz –88 dB fS = 16 kHz –88 –81 dB dB DC Accuracy Offset Error –75 –10 +50 mV Gain Error –0.9 +0.175 +0.8 dB Volume Control Step Size (1024 Linear Steps) 0.098 % Volume Control Range (Max Attenuation) –60 dB Mute Attenuation –100 dB De-emphasis Gain Error ±0.1 dB Full-Scale Output Voltage 0.5 V rms Output Resistance 145 Ω Common Mode Output Volts 1.125 V Crosstalk Signal Input ADC = AGND; 95 dB DAC Output Level = 1.0 kHz, 0 dB REFERENCE (Internal) Absolute Voltage, VREF 1.125 V VREF TC 50 ppm/ °C |
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