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AD9244 데이터시트(PDF) 5 Page - Analog Devices |
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AD9244 데이터시트(HTML) 5 Page - Analog Devices |
5 / 36 page AD9244 Rev. C | Page 5 of 36 Test AD9244BST-65 AD9244BST-40 Parameter Temp Level Min Typ Max Min Typ Max Unit WORST HARMONIC (SECOND or THIRD)1 fIN = 2.4 MHz 25°C V −94.5 −93.7 dBc fIN = 20 MHz 25°C V −92.8 dBc fIN = 32.5 MHz 25°C V −86.5 dBc fIN = 70 MHz 25°C V −86.1 dBc fIN = 100 MHz 25°C V −86.2 −84.5 dBc fIN = 200 MHz 25°C V −60.7 −56.6 dBc SFDR1 fIN = 2.4 MHz Full VI 78.6 82.5 dBc 25°C I 94.5 93.7 dBc fIN = 15.5 MHz (–1 dBFS) Full IV 83 dBc 25°C V 90 dBc fIN = 20 MHz Full IV 81.4 dBc 25°C I 91.8 dBc fIN = 32.5 MHz Full IV 80.0 dBc 25°C I 86.4 dBc fIN = 70 MHz Full IV 79.5 dBc 25°C V 86.1 dBc fIN = 100 MHz 25°C V 86.2 84.5 dBc fIN = 200 MHz 25°C V 60.7 56.6 dBc 1 AC specifications can be reported in dBc (degrades as signal levels are lowered) or in dBFS (always related back to converter full scale). DIGITAL SPECIFICATIONS AVDD = 5 V, DRVDD = 3 V, VREF = 2 V, external reference, unless otherwise noted. Table 3. Test AD9244BST-65 AD9244BST-40 Parameter Temp Level Min Typ Max Min Typ Max Unit DIGITAL INPUTS Logic 1 Voltage (OEB, DRVDD = 3 V) Full IV 2 2 V Logic 1 Voltage (OEB, DRVDD = 5 V) Full IV 3.5 3.5 V Logic 0 Voltage (OEB) Full IV 0.8 0.8 V Logic 1 Voltage (DFS, DCS) Full IV 3.5 3.5 V Logic 0 Voltage (DFS, DCS) Full IV 0.8 0.8 V Input Current Full IV 10 10 μA Input Capacitance Full V 5 5 pF CLOCK INPUT PARAMETERS Differential Input Voltage Full IV 0.4 0.4 V p-p CLK− Voltage1 Full IV 0.25 0.25 V Internal Clock Common-Mode Full V 1.6 1.6 V Single-Ended Input Voltage Logic 1 Voltage Full IV 2 2 V Logic 0 Voltage Full IV 0.8 0.8 V Input Capacitance Full V 5 5 pF Input Resistance Full V 100 100 kΩ DIGITAL OUTPUTS (DRVDD = 5 V) Logic 1 Voltage (IOH = 50 μA) Full IV 4.5 4.5 V Logic 0 Voltage (IOL = 50 μA) Full IV 0.1 0.1 V Logic 1 Voltage (IOH = 0.5 mA) Full IV 2.4 2.4 V Logic 0 Voltage (IOL = 1.6 mA) Full IV 0.4 0.4 V |
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