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AD1887JST Datasheet(PDF) 3 Page - Analog Devices |
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AD1887JST Datasheet(HTML) 3 Page - Analog Devices |
3 / 16 page REV. 0 AD1887 –3– ANALOG-TO-DIGITAL CONVERTERS Parameter Min Typ Max Unit Resolution 16 Bits Total Harmonic Distortion (THD) –84 dB Dynamic Range (–60 dB Input THD + N Referenced to Full Scale, A-Weighted) 84 87 dB Signal-to-Intermodulation Distortion* (CCIF Method) 85 dB ADC Crosstalk* Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L) –100 –90 dB LINE_IN to Other –90 –85 dB Gain Error (Full-Scale Span Relative to Nominal Input Voltage) ±10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.5 dB ADC Offset Error ±5mV DIGITAL-TO-ANALOG CONVERTERS Parameter Min Typ Max Unit Resolution 16 Bits Total Harmonic Distortion (THD) HP_OUT –75 dB Dynamic Range (–60 dB Input THD + N Referenced to Full Scale, A-Weighted) 85 90 dB Signal-to-Intermodulation Distortion* (CCIF Method) –100 dB Gain Error (Full-Scale Span Relative to Nominal Input Voltage) ±10 % Interchannel Gain Mismatch (Difference of Gain Errors) ±0.7 dB DAC Crosstalk* (Input L, Zero R, Measure R_OUT; Input R, Zero L, –80 dB Measure L_OUT) Total Audible Out-of-Band Energy (Measured from 0.6 × fS to 20 kHz)* –40 dB ANALOG OUTPUT Parameter Min Typ Max Unit Full-Scale Output Voltage; HP_OUT 1 V rms 2.83 V p-p Output Impedance* 800 Ω External Load Impedance* 32 Ω Output Capacitance* 15 pF External Load Capacitance 100 pF VREF 2.05 2.25 2.45 V VREF_OUT 2.25 V VREF_OUT Current Drive 5mA Mute Click (Muted Output Minus Unmuted Midscale DAC Output) ±5mV STATIC DIGITAL SPECIFICATIONS Parameter Min Typ Max Unit High-Level Input Voltage (VIH): Digital Inputs 0.65 × DV DD V Low-Level Input Voltage (VIL) 0.35 × DVDD V High-Level Output Voltage (VOH), IOH = 2 mA 0.9 × DVDD V Low-Level Output Voltage (VOL), IOL = 2 mA 0.1 × DV DD V Input Leakage Current –10 +10 µA Output Leakage Current –10 +10 µA POWER SUPPLY Parameter Min Typ Max Unit Power Supply Range—Analog (AVDD) 4.75 5.25 V Power Supply Range—Digital (DVDD) 3.15 3.45 V Power Dissipation—5 V/3.3 V 253 mW Analog Supply Current—5 V (AVDD)36 mA Digital Supply Current—3.3 V (DVDD)22 mA Power Supply Rejection (100 mV p-p Signal @ 1 kHz)* 40 dB (At Both Analog and Digital Supply Pins, Both ADCs and DACs) *Guaranteed but not tested. |
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