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CDK2307 数据表(PDF) 7 Page - Exar Corporation |
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CDK2307 数据表(HTML) 7 Page - Exar Corporation |
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7 / 16 page  Data Sheet ©2009-2013 Exar Corporation 7/16 Rev 2C Electrical Characteristics - CDK2307B (AVDD = 1.8V, DVDD = 1.8V, DVDDCLK = 1.8V, OVDD = 2.5V, 40MSPS clock, 50% clock duty cycle, -1dBFS 8MHz input signal, 13-bit output, unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units Performance SNR Signal to Noise Ratio FIN = 2MHz 72.5 dBFS FIN = 8MHz 71.9 72.7 dBFS FIN ≃ FS/2 72 dBFS FIN = 30MHz 70.8 dBFS SINAD Signal to Noise and Distortion Ratio FIN = 2MHz 71.7 dBFS FIN = 8MHz 71 72.1 dBFS FIN ≃ FS/2 71.5 dBFS FIN = 30MHz 71.2 dBFS SFDR Spurious Free Dynamic Range FIN = 2MHz 81 dBc FIN = 8MHz 75 81 dBc FIN ≃ FS/2 80 dBc FIN = 30MHz 80 dBc HD2 Second order Harmonic Distortion FIN = 2MHz -90 dBc FIN = 8MHz -85 -95 dBc FIN ≃ FS/2 -95 dBc FIN = 30MHz -90 dBc HD3 Third order Harmonic Distortion FIN = 2MHz -81 dBc FIN = 8MHz -75 -81 dBc FIN ≃ FS/2 -80 dBc FIN = 30MHz -80 dBc ENOB Effective number of Bits FIN = 2MHz 11.6 bits FIN = 8MHz 11.5 11.7 bits FIN ≃ FS/2 11.6 bits FIN = 30MHz 11.5 bits XTALK Crosstalk Signal crosstalk between channels, FIN1 = 8MHz, FIN0 = 9.9MHz -100 dB Power Supply AIDD Analog Supply Current 21.1 mA DIDD Digital Supply Current Digital core supply 3.3 mA OIDD Output Driver Supply 2.5V output driver supply, sine wave input, FIN = 1MHz 5.3 mA 2.5V output driver supply, sine wave input, FIN = 1MHz, CLK_EXT disabled 4.4 mA Analog Power Dissipation 38.0 mW Digital Power Dissipation OVDD = 2.5V, 5pF load on output bits, FIN = 1MHz, CLK_EXT disabled 16.9 mW Total Power Dissipation OVDD = 2.5V, 5pF load on output bits, FIN = 1MHz, CLK_EXT disabled 54.9 mW Power Down Dissipation 9.7 µW Sleep Mode 1 Power Dissipation, Sleep mode one channel 36.1 mW Sleep Mode 2 Power Dissipation, Sleep mode both channels 14.2 mW Clock Inputs Max. Conversion Rate 40 MSPS Min. Conversion Rate 20 MSPS |
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