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AD9957BSVZ Datasheet(PDF) 3 Page - Analog Devices |
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AD9957BSVZ Datasheet(HTML) 3 Page - Analog Devices |
3 / 38 page PRELIMINARY TECHNICAL DATA AD9957 Rev. PrF | Page 3 of 38 ELECTRICAL SPECIFICATIONS Table 1. Unless otherwise noted, AVDD, DVDD = 1.8V ± 5%, DAC_VDD, DVDD_I/O = 3.3 V ± 5%, RSET = 10kΩ, External Reference Clock Frequency = 25 MHz. 40x REFLCK multiplier engaged. Parameter Min Typ Max Unit REF CLOCK INPUT CHARACTERISTICS Frequency Range REFCLK Multiplier Disabled, Divider Disabled 1 1000 MHz REFCLK Multiplier Disabled, Divider Enabled 2000 MHz REFCLK Multiplier Enabled at 8× 52.5 125 MHz REFCLK Multiplier Enabled at 64× 6.5 35 MHz REFCLK Multiplier Enabled at 127× 3.3 7.9 MHz XTAL frequency on REFCLK inputs 20 30 MHz Input Capacitance 3 pF Input Impedance 1.5 kΩ Duty Cycle 50 % Duty Cycle with REFCLK Multiplier Enabled 35 65 % REFCLK Input Voltage Swing 100 1000 mV pk-pk REFCLK Input Power1 –15 0 +3 dBm DAC OUTPUT CHARACTERISTICS Full Scale Output Current 10 20 30 mA Gain Error –10 +10 %FS Output Offset 0.6 μA Differential Nonlinearity 1 LSB Integral Nonlinearity 2 LSB Output Capacitance 5 pF Residual Phase Noise @ 1 kHz Offset, 400 MHz AOUT REFCLK Multiplier Disabled –123 dBc/Hz REFCLK Multiplier Enabled @ 127× TBD dBc/Hz REFCLK Multiplier Enabled @ 64× –105 dBc/Hz REFCLK Multiplier Enabled @ 8× –115 dBc/Hz AC Voltage Compliance Range -0.5V 0.5V V SPURIOUS-FREE DYNAMIC RANGE (SFDR) fout = 50 MHz TBD dBc fout = 104 MHz TBD dBc fout = 209 MHz TBD dBc fout = 315 Mhz TBD dBc fout = 403 MHz TBD dBc TWO TONE INTERMODULATION DISTORTION (IMD) fout = fout + 1.25 MHz fout = 50 MHz TBD dBc fout = 104 MHz TBD dBc fout = 209 MHz TBD dBc fout = 315 Mhz TBD dBc fout = 403 MHz TBD dBc NOISE SPECTRAL DENSITY (NSD) Single Tone fout = 50 MHz TBD dBm / Hz fout = 104 MHz TBD dBm / Hz fout = 209 MHz TBD dBm / Hz fout = 315 Mhz TBD dBm / Hz fout = 403 MHz TBD dBm / Hz |
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