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AD1955ARSRL Datasheet(PDF) 2 Page - Analog Devices |
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AD1955ARSRL Datasheet(HTML) 2 Page - Analog Devices |
2 / 24 page REV. 0 –2– AD1955–SPECIFICATIONS ANALOG PERFORMANCE Parameter Min Typ Max Unit Resolution 24 Bits SIGNAL-TO-NOISE RATIO (20 Hz to 20 kHz) * Differential Output (A-Weighted, RMS) (Stereo) 120 114 dB Differential Output (A-Weighted, RMS) (Mono) 123 dB Single-Ended (A-Weighted, RMS) (Stereo) 119 dB DYNAMIC RANGE (20 Hz to 20 kHz, –60 dB Input) * Differential Output (A-Weighted, RMS) (Stereo) 120 114 dB Differential Output (A-Weighted, RMS) (Mono) 123 dB Single-Ended (A-Weighted, RMS) (Stereo) 119 dB Total Harmonic Distortion + Noise (Stereo) at 0 dBFS –110 –102.5 dB ANALOG OUTPUTS Differential Output Range (Full Scale) 8.64 mA p-p Output Capacitance at Each Output Pin 100 pF Output Bias Current, Each Output –3.24 mA Out-of-Band Energy (0.5 fS to 100 kHz) –90 dB Reference Voltage 2.245 2.39 2.505 V DC ACCURACY Gain Error ±6% Interchannel Gain Mismatch 0.01 0.26 dB Gain Drift 25 ppm/ °C Interchannel Crosstalk (EIAJ Method) –125 dB Interchannel Phase Deviation ±0.1 Degrees Mute Attenuation –100 dB De-Emphasis Gain Error ±0.1 dB *Measured with Audio Precision System Two Cascade in RMS Mode. Averaging Mode will show approximately 2 dB better performance. Performance of right and left channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications). Specifications subject to change without notice. TEST CONDITIONS (Unless otherwise noted.) Analog Supply Voltages (AVDD) . . . . . . . . . . . . . . . . . . . . 5 V Digital Supply Voltages (DVDD) . . . . . . . . . . . . . . . . . . . . 5 V Reference Current (IREF) . . . . . . . . . . . . . . . . . . . . . 0.960 mA Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 °C Input Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.288 MHz Input Signal . . . . . . . . . . . . . . . . . 984.375 Hz, 0 dB Full Scale Input Sample Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 kHz Measurement Bandwidth . . . . . . . . . . . . . . . . 20 Hz to 20 kHz Word Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Bits Load Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 pF Load Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 k Ω Input Voltage HI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 V Input Voltage LO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 V (See figures. IREF = 0.960 mA, VBIAS = 2.80 V.) |
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