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ADC08060 数据表(PDF) 5 Page - National Semiconductor (TI) |
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ADC08060 数据表(HTML) 5 Page - National Semiconductor (TI) |
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5 / 19 page  Converter Electrical Characteristics (Continued) The following specifications apply for V A =DR VD = +3.0VDC,VRT = +1.9V, VRB = 0.3V, CL = 10 pF, fCLK = 60 MHz at 50% duty cycle. Boldface limits apply for T A =TMIN to TMAX: all other limits TA = 25˚C (Notes 7, 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) CLK, PD DIGITAL INPUT CHARACTERISTICS I IL Logical Low Input Current V IL = 0V, DR VD =VA = 2.7V −50 nA C IN Logic Input Capacitance 3 pF DIGITAL OUTPUT CHARACTERISTICS V OH High Level Output Voltage V A =DRVD = 2.7V, IOH = −400 µA 2.6 2.4 V (min) V OL Low Level Output Voltage V A =DRVD = 2.7V, IOL = 1.0 mA 0.4 0.5 V (max) DYNAMIC PERFORMANCE ENOB Effective Number of Bits f IN = 4.4 MHz, VIN = FS − 0.25 dB 7.6 Bits f IN = 10 MHz, VIN = FS − 0.25 dB 7.6 7.1 Bits (min) f IN = 25 MHz, VIN = FS − 0.25 dB 7.5 Bits f IN = 29 MHz, VIN = FS − 0.25 dB 7.4 Bits SINAD Signal-to-Noise & Distortion f IN = 4.4 MHz, VIN = FS − 0.25 dB 47 dB f IN = 10 MHz, VIN = FS − 0.25 dB 47 44.5 dB (min) f IN = 25 MHz, VIN = FS − 0.25 dB 47 dB f IN = 29 MHz, VIN = FS − 0.25 dB 46 dB SNR Signal-to-Noise Ratio f IN = 4.4 MHz, VIN = FS − 0.25 dB 47 dB f IN = 10 MHz, VIN = FS − 0.25 dB 47 44.6 dB (min) f IN = 25 MHz, VIN = FS − 0.25 dB 47 dB f IN = 29 MHz, VIN = FS − 0.25 dB 46 dB SFDR Spurious Free Dynamic Range f IN = 4.4 MHz, VIN = FS − 0.25 dB 64 dBc f IN = 10 MHz, VIN = FS − 0.25 dB 63 dBc f IN = 25 MHz, VIN = FS − 0.25 dB 60 dBc f IN = 29 MHz, VIN = FS − 0.25 dB 54 dBc THD Total Harmonic Distortion f IN = 4.4 MHz, VIN = FS − 0.25 dB −64 dBc f IN = 10 MHz, VIN = FS − 0.25 dB −63 dBc f IN = 25 MHz, VIN = FS − 0.25 dB -57 dBc f IN = 29 MHz, VIN = FS − 0.25 dB −54 dBc HD2 2nd Harmonic Distortion f IN = 4.4 MHz, VIN = FS − 0.25 dB -70 dBc f IN = 10 MHz, VIN = FS − 0.25 dB −65 dBc f IN = 25 MHz, VIN = FS − 0.25 dB -64 dBc f IN = 29 MHz, VIN = FS − 0.25 dB −54 dBc HD3 3rd Harmonic Distortion f IN = 4.4 MHz, VIN = FS − 0.25 dB −72 dBc f IN = 10 MHz, VIN = FS − 0.25 dB −70 dBc f IN = 25 MHz, VIN = FS − 0.25 dB -68 dBc f IN = 29 MHz, VIN = FS − 0.25 dB −65 dBc IMD Intermodulation Distortion f 1 = 11 MHz, VIN = FS − 6.25 dB f 2 = 12 MHz, VIN = FS − 6.25 dB -55 dBc POWER SUPPLY CHARACTERISTICS I A Analog Supply Current DC Input 25 31 mA (max) f IN = 10 MHz, VIN =FS−3dB 25 mA DR I D Output Driver Supply Current DC Input 0.3 1 mA (max) f IN = 10 MHz, VIN =FS−3dB 4.4 mA I A + DRI D Total Operating Current DC Input 25.3 32 mA (max) f IN = 10 MHz, VIN =FS−3dB, PD = Low 29.4 mA (max) CLK Low, PD = Hi 0.2 www.national.com 5 |
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