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AD8283 Arkusz danych(PDF) 3 Page - Analog Devices |
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AD8283 Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 28 page AD8283 Rev. 0 | Page 3 of 28 SPECIFICATIONS AC SPECIFICATIONS AVDD18x = 1.8 V, AVDD33x = 3.3 V, DVDD18x = 1.8 V, DVDD33x = 3.3 V, 1.024 V internal ADC reference, fIN = 2.5 MHz, fSAMPLE = 80 MSPS, RS = 50 Ω, LNA + PGA gain = 34 dB, LPF cutoff = fSAMPLECH/4, full channel mode, 12-bit operation, temperature = −40°C to +105°C, unless otherwise noted. Table 1. AD8283W Parameter1 Conditions Min Typ Max Unit ANALOG CHANNEL CHARACTERISTICS LNA, PGA, and AAF channel Gain 16/22/28/34 dB Gain Range 18 dB Gain Error −1.25 +1.25 dB Input Voltage Range Channel gain =16 dB 0.25 V p-p Channel gain = 22 dB 0.125 Channel gain = 28 dB 0.0625 Channel gain = 34 dB 0.03125 Input Resistance 200 Ω input impedance selected 0.180 0.230 0.280 kΩ 200 kΩ input impedance selected 160 200 240 Input Capacitance 22 pF Input-Referred Voltage Noise Max gain at1 MHz 1.85 nV/√Hz Min gain at 1 MHz 6.03 nV/√Hz Noise Figure Max gain, RS = 50 Ω, unterminated 7.1 dB Max Gain, RS=RIN = 50 Ω 12.7 dB Output Offset Gain = 16 dB −60 +60 LSB Gain = 34 dB −250 +250 LSB AAF Low-Pass Filter Cutoff −3 dB, programmable 1.0 to 12.0 MHz AAF Low-Pass Filter Cutoff Tolerance After filter autotune −10 ±5 +10 % AAF Attenuation in Stop Band Third order elliptical filter 2× cutoff 30 dB 3× cutoff 40 dB Group Delay Variation Filter set at 2 MHz 400 ns Channel-to-Channel Phase Variation Frequencies up to −3 dB −5 ±0.5 +5 Degrees ¼ of −3 dB frequency −1 +1 Degrees Channel-to-Channel Gain Matching Frequencies up to −3 dB −0.5 ±0.1 +0.5 dB 1/4 of −3 dB frequency −0.25 +0.25 dB 1 dB Compression Relative to output 9.8 dBm Crosstalk −70 −55 dBc POWER SUPPLY AVDD18x 1.7 1.8 1.9 V AVDD33x 3.1 3.3 3.5 V DVDD18x 1.7 1.8 1.9 V DVDD33x 3.1 3.3 3.5 V IAVDD18 Full-channel mode 190 mA IAVDD33 Full-channel mode 190 mA IDVDD18 22 mA IDVDD33 2 mA Total Power Dissipation – per channel Full-channel mode, no signal, typical supply voltage × maximum supply current; excludes output current 170 mW Power-Down Dissipation 5 mW Power Supply Rejection Ratio (PSRR) Relative to input 1.6 mV/V |
Podobny numer części - AD8283 |
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Podobny opis - AD8283 |
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