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ADC14X250 bảng dữ liệu(PDF) 8 Page - Texas Instruments |
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ADC14X250 bảng dữ liệu(HTML) 8 Page - Texas Instruments |
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8 / 69 page ![]() 8 ADC14X250 SLASE49 – DECEMBER 2015 www.ti.com Product Folder Links: ADC14X250 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Electrical Characteristics: Dynamic Converter Performance (continued) Unless otherwise noted, these specifications apply for VA3.0 = 3 V; VA1.8 = 1.8 V; VA1.2 = 1.2 V; FCLKIN = FS = 250 MSPS; external differential resistive termination at ADC input is 66 Ω. CLKIN± input is a 2 Vp-p differential sinusoid. Typical values are at TA = 25°C, unless otherwise noted. Limit values specified for the temperature range TA-MIN = –40°C to TP-MAX = 105°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SINAD Signal-to-noise and distortion ratio, integrated across Nyquist bandwidth dBFS Input = 10 MHz, –3 dBFS 71.0 Input = 70 MHz, –3 dBFS 70.8 Input = 170 MHz, –3 dBFS 70.0 Input = 240 MHz, –3 dBFS 70.0 Input = 240 MHz, –40 dBFS 71.0 Input = 300 MHz, –3 dBFS 69.4 ENOB Signal-to-noise and distortion ratio, integrated across Nyquist bandwidth Bits Input = 10 MHz, –3 dBFS 11.5 Input = 70 MHz, –3 dBFS 11.5 Input = 170 MHz, –3 dBFS 11.3 Input = 240 MHz, –3 dBFS 11.3 Input = 300 MHz, –3 dBFS 11.2 NSD Noise spectral density, average NSD across Nyquist bandwidth dBFS/Hz Input = 10 MHz, –3 dBFS –152.1 Input = 70 MHz, –3 dBFS –151.9 Input = 170 MHz, –3 dBFS –151.5 Input = 240 MHz, –3 dBFS –151.1 Input = 240 MHz, –40 dBFS –152.1 Input = 300 MHz, –3 dBFS –150.7 SFDR Spurious free dynamic range, single tone dBFS Input = 10 MHz, –3 dBFS 93 Input = 70 MHz, –3 dBFS 92 Input = 170 MHz, –3 dBFS 80 Input = 240 MHz, –3 dBFS 75 87 Input = 300 MHz, –3 dBFS 86 HD2 2nd order harmonic distortion dBFS Input = 10 MHz, –3 dBFS –95 Input = 70 MHz, –3 dBFS –95 Input = 170 MHz, –3 dBFS –92 Input = 240 MHz, –3 dBFS –75 –90 Input = 300 MHz, –3 dBFS –90 HD3 3rd order harmonic distortion dBFS Input = 10 MHz, –3 dBFS –95 Input = 70 MHz, –3 dBFS –95 Input = 170 MHz, –3 dBFS –80 Input = 240 MHz, –3 dBFS –75 –87 Input = 300 MHz, –3 dBFS –86 |
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