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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AD9959/PCBZ 데이터시트(PDF) 4 Page - Analog Devices |
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AD9959/PCBZ 데이터시트(HTML) 4 Page - Analog Devices |
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4 / 44 page  AD9959 Data Sheet Rev. C | Page 4 of 44 SPECIFICATIONS AVDD and DVDD = 1.8 V ± 5%; DVDD_I/O = 3.3 V ± 5%; T = 25°C; RSET = 1.91 kΩ; external reference clock frequency = 500 MSPS (REFCLK multiplier bypassed), unless otherwise noted. Table 1. Parameter Min Typ Max Unit Test Conditions/Comments REFERENCE CLOCK INPUT CHARACTERISTICS See Figure 34 and Figure 35 Frequency Range REFCLK Multiplier Bypassed 1 500 MHz REFCLK Multiplier Enabled 10 125 MHz Internal VCO Output Frequency Range VCO Gain Control Bit Set High1 255 500 MHz VCO Gain Control Bit Set Low1 100 160 MHz Crystal REFCLK Source Range 20 30 MHz Input Level 200 1000 mV Measured at each pin (single-ended) Input Voltage Bias Level 1.15 V Input Capacitance 2 pF Input Impedance 1500 Ω Duty Cycle with REFCLK Multiplier Bypassed 45 55 % Duty Cycle with REFCLK Multiplier Enabled 35 65 % CLK Mode Select (Pin 24) Logic 1 Voltage 1.25 1.8 V 1.8 V digital input logic CLK Mode Select (Pin 24) Logic 0 Voltage 0.5 V 1.8 V digital input logic DAC OUTPUT CHARACTERISTICS Must be referenced to AVDD Resolution 10 Bits Full-Scale Output Current 1.25 10 mA Gain Error −10 +10 %FS Channel-to-Channel Output Amplitude Matching Error −2.5 +2.5 % Output Current Offset 1 25 µA Differential Nonlinearity ±0.5 LSB Integral Nonlinearity ±1.0 LSB Output Capacitance 3 pF Voltage Compliance Range AVDD − 0.50 AVDD + 0.50 V Channel-to-Channel Isolation 65 dB DAC supplies tied together (see Figure 19) WIDEBAND SFDR The frequency range for wideband SFDR is defined as dc to Nyquist 1 MHz to 20 MHz Analog Output −65 dBc 20 MHz to 60 MHz Analog Output −62 dBc 60 MHz to 100 MHz Analog Output −59 dBc 100 MHz to 150 MHz Analog Output −56 dBc 150 MHz to 200 MHz Analog Output −53 dBc NARROW-BAND SFDR 1.1 MHz Analog Output (±10 kHz) −90 dBc 1.1 MHz Analog Output (±50 kHz) −88 dBc 1.1 MHz Analog Output (±250 kHz) −86 dBc 1.1 MHz Analog Output (±1 MHz) −85 dBc 15.1 MHz Analog Output (±10 kHz) −90 dBc 15.1 MHz Analog Output (±50 kHz) −87 dBc 15.1 MHz Analog Output (±250 kHz) −85 dBc 15.1 MHz Analog Output (±1 MHz) −83 dBc 40.1 MHz Analog Output (±10 kHz) −90 dBc 40.1 MHz Analog Output (±50 kHz) −87 dBc 40.1 MHz Analog Output (±250 kHz) −84 dBc 40.1 MHz Analog Output (±1 MHz) −82 dBc 75.1 MHz Analog Output (±10 kHz) −87 dBc |
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