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AD1803 データシート(PDF) 4 Page - Analog Devices |
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AD1803 データシート(HTML) 4 Page - Analog Devices |
4 / 32 page AD1803 Rev. A | Page 4 of 32 Parameter Test Conditions/Comments Min Typ Max Unit MONITOR OUTPUT Digital-to-Analog Converter Dynamic Range2, 5 −60 dB input, A-weighted 50 dB THD + N2, 5 0.316 1 % −50 −40 dB Programmable Gain/Attenuator Step Size2 −18 dB to +45 dB 2.4 3.0 3.6 dB Output Attenuation Span2 63 dB DIGITAL DECIMATION AND INTERPOLATION FILTERS2 Pass-Band Edge −0.22 dB point 0.445 × fS Hz Pass-Band −3.0 dB point 0.490 × fS Hz Pass-Band Ripple 0.0 −0.2 dB Transition Band 0.445 × fS 0.555 × fS Hz Stop-Band Edge6 0.555 × fS Hz Stop-Band Rejection Plus 3 dB roll-off 78.0 dB Group Delay 21/fS s Group Delay Variation Over Pass Band 0 kHz to 4 kHz 0.45 μs 0 kHz to 8 kHz 1.30 μs Sample Rate 6.4 16 kHz STATIC DIGITAL VIH, High Level Input Voltage Digital Inputs 0.65 × DVDD V VIL, Low Level Input Voltage 0.35 × DVDD V VOH, High Level Output Voltage IOH = −0.5 mA 0.9 × DVDD V VOL, Low Level Output Voltage IOL = +0.5 mA 0.1 × DVDD V Input Leakage Current −10 +10 μA Output Leakage Current −10 +10 μA POWER SUPPLY AVDD Range 3.3 V/5 V 3.0/4.75 3.6/5.25 V DVDD Range 3.3 V/5 V 3.0/4.75 3.6/5.25 V Analog and Digital Supply Current 5 V, see Table 2 Analog and Digital Supply Current 3.3 V, see Table 2 Power Supply Rejection7 100 mV p-p, signal @ 1 kHz 40 dB CLOCK Input Clock Frequency 12.288 24.576 32.768 MHz Recommended Clock Duty Cycle 45 50 55 % 1 RMS values assume sine wave input. 2 Guaranteed by design, not production tested. 3 All steps tested. 4 The ADC gain is achieved using a 0 dB to 22.5 dB variable gain stage and a 20 dB fixed gain stage. The 22.5 dB to 42.5 dB gain steps are achieved by enabling the 20 dB gain stage. 5 THD + N referenced to full scale. 6 The stop band repeats itself at multiples of 64 × fS, where fS is the sampling frequency. The digital filter attenuates to −78.0 dB or better across the frequency spectrum, except for a range ±0.555 × fS wide at multiples of 64 × fS. 7 At both analog and digital supply pins (both ADCs and DACs). |
同様の部品番号 - AD1803_15 |
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同様の説明 - AD1803_15 |
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