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AD1974YSTZ-RL Fiches technique(PDF) 3 Page - Analog Devices |
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AD1974YSTZ-RL Fiches technique(HTML) 3 Page - Analog Devices |
3 / 24 page AD1974 Rev. 0 | Page 3 of 24 SPECIFICATIONS TEST CONDITIONS Performance of all channels is identical, exclusive of the interchannel gain mismatch and interchannel phase deviation specifications. Supply Voltages (AVDD, DVDD) 3.3 V Temperature Range1 As specified in Table 1 and Table 2 Master Clock 12.288 MHz (48 kHz fS, 256 × fS mode) Input Sample Rate 48 kHz Measurement Bandwidth 20 Hz to 20 kHz Word Width 24 bits Load Capacitance (Digital Output) 20 pF Load Current (Digital Output) ±1 mA or 1.5 kΩ to ½ DVDD supply Input Voltage High 2.0 V Input Voltage Low 0.8 V 1 Functionally guaranteed at −40°C to +125°C case temperature. ANALOG PERFORMANCE SPECIFICATIONS Specifications guaranteed at 25°C (ambient). Table 1. Parameter Conditions Min Typ Max Unit ANALOG-TO-DIGITAL CONVERTERS ADC Resolution All ADCs 24 Bits Full-Scale Input Voltage (Differential) 1.9 V rms Dynamic Range 20 Hz to 20 kHz, −60 dB input No Filter (RMS) 98 102 dB With A-Weighted Filter (RMS) 100 105 dB Total Harmonic Distortion + Noise (THD + N) −1 dBFS −96 −87 dB Gain Error −10 +10 % Interchannel Gain Mismatch −0.25 +0.25 dB Offset Error −10 0 +10 mV Gain Drift 100 ppm/°C Interchannel Isolation −110 dB CMRR 100 mV rms, 1 kHz 55 dB 100 mV rms, 20 kHz 55 dB Input Resistance 14 kΩ Input Capacitance 10 pF Input Common-Mode Bias Voltage 1.5 V 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 |
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