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AD1803 Folha de dados(PDF) 3 Page - Analog Devices |
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AD1803 Folha de dados(HTML) 3 Page - Analog Devices |
3 / 32 page AD1803 Rev. A | Page 3 of 32 SPECIFICATIONS TEST CONDITIONS Test conditions for the AD1803 are as follows, unless otherwise noted. General Test Conditions Temperature at 25°C Digital supply at 3.3 V/5 V Analog supply at 3.3 V/5 V Sample rate (fS) at 8 kHz Input signal at 1008 Hz Analog output pass band at 20 Hz to 4 kHz ADC FFT size at 512 DAC FFT size at 4096 VIH @ 2.1 V VIL @ 1.2 V VOH @ 2.9 V VOL @ 0.3 V IOH @ −2.0 mA IOL @ +2.0 mA DAC Output Test Conditions 0 dB attenuation relative to full scale Input 0 dB Mute Off 10 kΩ output load ADC Input Test Conditions Autocalibrated 0 dB PGA gain Mute off Input: 1.0 dB relative to full scale Table 1. Parameter Test Conditions/Comments Min Typ Max Unit ADC RECEIVE PATH Full-Scale Input Voltage1 PGA gain = 0 dB, offset error = 0% of FS 1.56 V rms AD1803 Rx Input 0 dBm 2.1 2.2 2.3 V p-p Resistance—Rx Input2 0 dB Gain 110 kΩ +20 dB Gain 10 kΩ Capacitance—Rx Input2 15 pF Rx Programmable Gain Gain Step Size3 0 dB to 42.5 dB 1.0 1.5 2.0 dB Input Gain Span4 41.5 42.5 43.5 dB Analog-to-Digital Converter Dynamic Range5 −60 dB input, PGA gain = 0 dB 85 90 dB Dynamic Range2, 5 −60 dB input, PGA gain = 6 dB 90 dB Dynamic Range2, 5 −60 dB input, PGA gain = +12 dB 90 dB THD + N −1 dB input referenced to full scale −90 −85 dB Signal-to-Intermodulation Distortion2 CCIF method 80 dB Offset Error 0 V analog input, PGA gain = 0 dB 1 5 % of FS DAC TRANSMIT PATH Digital-to-Analog Converter Dynamic Range5 −60 dB input, output gain = 0 dB 85 dB THD + N −1 dB input referenced to full scale −75 dB Signal-to-Intermodulation Distortion2 CCIF method 80 dB Total Out-of-Band Energy2 Measured from 0.555 × fS to 100 kHz −40 dB DC Offset 100 mV Programmable Gain/Attenuator Step Size3 +12 dB to −34.5 dB 1.0 1.5 2.0 dB Output Attenuation Span 45.5 46.5 48 dB Full-Scale Output Voltage Tx Output 0 dBm 2.1 2.2 2.3 V p-p Tx Pin Capacitance 15 pF Tx Load Capacitance 100 pF |
Nº de peça semelhante - AD1803_15 |
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Descrição semelhante - AD1803_15 |
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