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AD9856AST 数据表(PDF) 2 Page - Analog Devices |
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AD9856AST 数据表(HTML) 2 Page - Analog Devices |
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2 / 32 page  –2– REV. B AD9856–SPECIFICATIONS (VS = +3 V 5%, RSET = 3.9 k , External reference clock frequency = 10 MHz with REFCLK Multiplier enabled at 20 ). Test AD9856 Parameter Temp Level Min Typ Max Units REF CLOCK INPUT CHARACTERISTICS Frequency Range REFCLK Multiplier Disabled Full VI 5 200 1 MHz REFCLK Multiplier Enabled at 4 × Full VI 5 50 MHz REFCLK Multiplier Enabled at 20 × Full VI 5 10 MHz Duty Cycle +25 °CV 50 % Input Capacitance +25 °CV 3 pF Input Impedance +25 °C V 100 M Ω DAC OUTPUT CHARACTERISTICS Resolution 12 Bits Full-Scale Output Current 5 10 20 mA Gain Error +25 °C I –10 +10 %FS Output Offset +25 °CI 10 µA Differential Nonlinearity +25 °C V 0.5 LSB Integral Nonlinearity +25 °C V 1 LSB Output Capacitance +25 °CV 5 pF Phase Noise @ 1 kHz Offset, 40 MHz AOUT REFCLK Multiplier Enabled at 20 × +25 °C V –85 dBc/Hz REFCLK Multiplier at 4 × +25 °C V –100 dBc/Hz REFCLK Multiplier Disabled +25 °C V –110 dBc/Hz Voltage Compliance Range +25 °C I –0.5 1.5 V Wideband SFDR: 1 MHz Analog Out +25 °C IV 70 dBc 20 MHz Analog Out +25 °C IV 65 dBc 42 MHz Analog Out +25 °C IV 60 dBc 65 MHz Analog Out +25 °C IV 55 dBc 80 MHz Analog Out +25 °C IV 50 dBc Narrowband SFDR: ( ±100 kHz Window) 70 MHz Analog Out +25 °C IV 80 dBc MODULATOR CHARACTERISTICS Adjacent Channel Power (CH Power = –6.98 dBm) +25 °C IV 50 dBm Error Vector Magnitude +25 °CIV 1 2 % I/Q Offset +25 °CIV 50 55 dB Inband Spurious Emissions +25 °C IV 45 50 dBc Pass Band Amplitude Ripple (DC to 80 MHz) +25 °CV ±0.3 dB TIMING CHARACTERISTICS Serial Control Bus Maximum Frequency Full IV 10 MHz Minimum Clock Pulsewidth High (tPWH) Full IV 30 ns Minimum Clock Pulsewidth Low (tPWL) Full IV 30 ns Maximum Clock Rise/Fall Time Full IV 1 ms Minimum Data Setup Time (tDS) Full IV 25 ns Minimum Data Hold Time (tDH) Full IV 0 ns Maximum Data Valid Time (tDV) Full IV 30 ns Wake-Up Time 2 Full IV 1 ms Minimum RESET Pulsewidth High (tRH) Full IV 5 REFCLK Cycles CMOS LOGIC INPUTS Logic “1” Voltage +25 °C I +2.6 V Logic “0” Voltage +25 °C I +0.4 V Logic “1” Current +25 °CI 12 µA Logic “0” Current +25 °CI 12 µA Input Capacitance +25 °CV 3 pF |
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