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AD1955YRS Fiches technique(PDF) 2 Page - Analog Devices |
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AD1955YRS Fiches technique(HTML) 2 Page - Analog Devices |
2 / 10 page AD1955 -2- Rev. PrF PRELIMINARY TECHNICAL DATA TEST CONDITIONS UNLESS OTHERWISE NOTED Analog Supply Voltages (AVDD) +5.0V Digital Supply Voltages (DVDD) +5.0V Reference Current (Iref) .960 mA Ambient Temperature 25OC Input Clock 12.288 MHz Input Signal 996.11 Hz 0 dB Full Scale Input Sample Rate 48 kHz Measurement Bandwidth 20 Hz to 20KHz Word Width 24 Bits Load Capacitance 100 pF Load Impedance 47 k ohms Input Voltage HI 2.4 V Input Voltage LO .8 V ANALOG PERFORMANCE (See Figures ) Iref = .960 mA Min Typ Max Units Resolution 24 Bits Signal-to-noise Ratio (20 Hz to 20kHz) Differential Output (A-weighted, RMS) (Stereo) 120 dB Differential Output (A-weighted, RMS) (Mono) 123 dB Single-ended (Stereo) 119 dB Dynamic Range (20 Hz to 20 kHz, -60 dB Input) Differential Output (A-weighted, RMS) (Stereo) 120 dB Differential Output (A-weighted, RMS) (Mono) 123 dB Single-ended (Stereo) 119 dB Total Harmonic Distortion + Noise (Stereo) at 0 dBFS -108 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 (0.5XFs to 100 kHz) -90 dB Reference Voltage 2.39 V DC Accuracy Gain Error +/-3 % Interchannel Gain Mismatch 0.01 dB Gain Drift 25 ppm/OC Interchannel Crosstalk (EIAJ method) -125 dB Interchannel Phase Deviation +/- 0.1 Degrees Mute Attenuation -100 dB De-emphasis Gain Error +/- 0.1 dB NOTES: 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. DIGITAL I/O (-40oC to 105oC) Min Typ Max Units Input Voltage HI (VIH) 2.0 V Input Voltage LO (VIL) 0.8 V Input Leakage (IIH@VIH=2.4 V) 10 uA Input Leakage (IIL@VIL=0.8 V) 10 uA High Level Output Voltage (VOH) IOH = 1 mA 2.4 V Low Level Output Voltage (VOL) IOL = 1 mA 0.4 V Input Capacitance 20 pF Specifications subject to change without notice |
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