전자부품 데이터시트 검색엔진 |
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AD73460 데이터시트(PDF) 3 Page - Analog Devices |
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AD73460 데이터시트(HTML) 3 Page - Analog Devices |
3 / 32 page REV. 0 –3– AD73460 (AVDD = 3.0 V to 3.6 V; DVDD = 3.0 V to 3.6 V; DGND = AGND = 0 V, fMCLK = 16.384 MHz, fSCLK = 8.192 MHz, fS = 8 kHz; TA = TMIN to TMAX, unless otherwise noted.) SPECIFICATIONS AD73460B Parameter Min Typ Max Unit Test Conditions/Comments 1 REFERENCE REFCAP Absolute Voltage, VREFCAP 1.125 1.25 1.375 V REFCAP TC 50 ppm/ °C 0.1 µF Capacitor Required from REFCAP to AGND2 REFOUT Typical Output Impedance 130 Ω Absolute Voltage, VREFOUT 1.125 1.25 1.375 V Unloaded Minimum Load Resistance 1 k Ω Maximum Load Capacitance 100 pF ADC SPECIFICATIONS Maximum Input Range at VIN 2, 3 1.644 V p-p Measured Differentially –2.85 dBm Nominal Reference Level at VIN 1.1413 V p-p Measured Differentially (0 dBm0) –6.02 dBm Absolute Gain PGA = 0 dB –1.2 +0.6 dB 1.0 kHz Signal to (Noise + Distortion) PGA = 0 dB 71 dB 0 Hz to 4 kHz; fS = 8 kHz; fIN = 60 Hz PGA = 0 dB 70 72 dB 0 Hz to 2 kHz; fS = 8 kHz; fIN = 60 Hz Total Harmonic Distortion PGA = 0 dB –77 –72 dB Intermodulation Distortion –76 dB PGA = 0 dB Idle Channel Noise –70 dB PGA = 0 dB Crosstalk ADC-to-ADC –83 dB ADC1 Input at Idle ADC2 to ADC6 Input Signal: 1.0 kHz –95 dB ADC1 Input at Idle ADC2 to ADC6 Input Signal: 60 Hz DC Offset –30 +10 +45 mV PGA = 0 dB Power Supply Rejection –55 dB Input Signal Level at AVDD and DVDD Pins 1.0 kHz, 100 mV p-p Sine Wave Group Delay 4, 5 25 µs 64 kHz Output Sample Rate 50 µs 32 kHz Output Sample Rate 95 µs 16 kHz Output Sample Rate 190 µs 8 kHz Output Sample Rate Input Resistance at VIN 2, 4 25 k Ω6 DMCLK = 16.384 MHz Phase Mismatch 0.15 Degrees fIN = 1 kHz 0.01 Degrees fIN = 60 Hz FREQUENCY RESPONSE (ADC) 7 Typical Output Frequency (Normalized to fS) 00 dB 0.03125 –0.1 dB 0.0625 –0.25 dB 0.125 –0.6 dB 0.1875 –1.4 dB 0.25 –2.8 dB 0.3125 –4.5 dB 0.375 –7.0 dB 0.4375 –9.5 dB > 0.5 < –12.5 dB |
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